Document:

Exhibit 4.2

Form of Note

[FACE OF NOTE] 

UNLESS THIS CERTIFICATE IS PRESENTED BY AN
AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST
COMPANY, A NEW YORK CORPORATION (THE “DEPOSITARY”) (55 WATER STREET, NEW YORK,
NEW YORK), TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS
REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS REQUESTED BY
AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITARY, AND ANY PAYMENT HEREON IS MADE
TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF THE DEPOSITARY, ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR
VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL SINCE THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST
HEREIN. 

UNLESS AND UNTIL THIS CERTIFICATE IS
EXCHANGED IN WHOLE OR IN PART FOR CERTIFICATES IN DEFINITIVE REGISTERED FORM,
THIS CERTIFICATE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE (A) BY THE DEPOSITARY
TO A NOMINEE THEREOF OR (B) BY A NOMINEE THEREOF TO THE DEPOSITARY OR ANOTHER
NOMINEE OF THE DEPOSITARY OR (C) BY THE
DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR NOMINEE OF SUCH
SUCCESSOR DEPOSITARY. 

SEE REVERSE FOR CERTAIN DEFINITIONS

	NUMBER R-1	$400,000,000

REGISTERED 

ROCKWELL COLLINS, INC. 

3.700% Notes due 2023 

	ISIN US774341AE10	CUSIP 774341 AE1

     Rockwell Collins,
Inc., a corporation duly organized and existing under the laws of the State of
Delaware (herein referred to as the “Company”), for value received, hereby
promises to pay to CEDE & CO. or registered assigns, the principal sum of
FOUR HUNDRED MILLION DOLLARS ($400,000,000) on December 15, 2023, and to pay
interest, semi-annually on June 15 and December 15 of each year, commencing June
15, 2014 on said principal sum at the rate of 3.700% per annum, from December
16, 2013, until payment of said principal sum has been made or duly provided
for. The interest so payable on any Interest Payment Date will, subject to
certain exceptions provided in the Indenture referred to on the reverse hereof,
be paid to the Person in whose name this Security (or one or more Predecessor
Securities) is registered at the close of business on the June 1 or December 1,
as the case may be, next preceding such Interest Payment Date. The principal of
and interest on this Security are payable in such coin or currency of the United
States of America as at the time of payment is legal tender for payment of
public and private debts at the office or agency of the Company in the Place of
Payment, and at such other locations as the Company may from time to time
designate. Any interest not punctually paid or duly provided for shall be
payable as provided in said Indenture. 

    
Reference is made to the further provisions of this Security set forth on
the reverse hereof. Such further provisions shall for all purposes have the same
effect as though fully set forth at this place. 

    
Unless the certificate of authentication hereon has been executed by the
Trustee by the manual signature of one of its authorized officers, this Security
shall not be entitled to any benefit under the Indenture, or be valid or
obligatory for any purpose. 

2 

     IN WITNESS WHEREOF, THE COMPANY HAS
CAUSED THIS INSTRUMENT TO BE DULY EXECUTED UNDER ITS CORPORATE SEAL. 

	Dated:  	December 16, 2013	
	 
			ROCKWELL COLLINS, INC.
	 
	 
			By 	
		 	      Name: Patrick E.
    Allen
			      Title: Senior Vice President
      &
			               Chief
      Financial Officer

[Corporate
Seal]

 

 

Attest _________________________

TRUSTEE'S CERTIFICATE OF
AUTHENTICATION 

     This
is one of the Securities of the series designated therein referred to in the
within-mentioned Indenture. 

		THE BANK OF NEW YORK MELLON
		TRUST COMPANY, N.A.,
		       Trustee
		 
		By  	 
			Authorized Officer
		

	 	Dated:  	 

3

[REVERSE OF NOTE] 

ROCKWELL COLLINS, INC. 

3.700% Notes due 2023 

     This Security is
one of a duly authorized issue of Securities of the Company designated as its
3.700% Notes due December 15, 2023 (Securities of such series being hereinafter
called the “Securities”), limited in aggregate principal amount to $400,000,000,
issued under an Indenture dated as of November 1, 2001, as supplemented as of
December 4, 2006 (hereinafter called the “Indenture”), between the Company and
The Bank of New York Mellon Trust Company, N.A. (formerly known as The Bank of
New York Trust Company, N.A.), as Trustee (hereinafter called the “Trustee”,
which term includes any successor trustee under the Indenture with respect to
the Securities of this series), to which Indenture and all indentures
supplemental thereto reference is hereby made for a statement of the respective
rights thereunder of the Company, the Trustee and any Holder of the Securities,
and the terms upon which the Securities are, and are to be, authenticated and
delivered. 

    
Except as set forth below, this Security will be issued in global form
only registered in the name of the Depositary or its nominee. Except as set
forth below, this Security will not be issued in definitive form and ownership
of this Security shall be maintained in book-entry form by the Depositary for
the accounts of participating organizations of the Depositary. 

    
The Depositary for the Securities shall initially be The Depositary Trust
Company. If the Depositary is at any time unwilling, unable or ineligible to
continue as Depositary for the Securities and the Company does not appoint a
successor Depositary within 90 days, the Company will issue Securities in
definitive form to participants of the Depositary in exchange for the Global
Security representing the Securities. In addition, the Company may, at any time
and in its sole discretion, determine not to have any Securities represented in
global form. In that event, the Company will issue Securities in definitive form
to participants of the Depositary in exchange for the Global Security.

    
No reference herein to the Indenture and no provision of this Security or
of the Indenture shall alter or impair the obligation of the Company, which is
absolute and unconditional, to pay the principal of and interest on this
Security at the times, place and rate, and in the coin and currency, herein
prescribed. 

R-1 

    
This Security is not entitled to the benefit of a sinking fund or any
analogous provision. Securities will be redeemable as a whole at any time or in
part from time to time prior to September 15, 2023, at the option of the
Company, on not less than 30 or more than 60
days' notice mailed to Holders thereof, at a Redemption Price equal to the
greater of (i) 100% of the principal amount of the Securities being redeemed and
(ii) the sum of the present values of the Remaining Scheduled Payments (as
defined below) of the Securities being redeemed (excluding interest accrued as
of the Redemption Date), discounted to the Redemption Date on a semi-annual
basis (assuming a 360-day year consisting of twelve 30-day months) at the
Treasury Rate (as defined below) plus 15 basis points, together, in each case,
with accrued and unpaid interest on the principal amount being redeemed to but
not including the Redemption Date. Securities will be redeemable as a whole at
any time or in part from time to time on or after September 15, 2023, at the
option of the Company, on not less than 30 or more than 60 days’ notice mailed
to Holders thereof, at a Redemption Price equal to 100% of the principal amount
of the Securities being redeemed, with accrued and unpaid interest on the
principal amount being redeemed to but not including the Redemption Date.

    
“Comparable Treasury Issue” means the United States Treasury security
selected by the Independent Investment Banker and having an actual or
interpolated maturity comparable to the remaining term of the Securities to be
redeemed that would be utilized, at the time of selection and in accordance with
customary financial practice, in pricing new issues of corporate debt securities
of comparable maturity to the remaining term of the Securities. 

    
“Comparable Treasury Price” means, with respect to any Redemption Date,
(i) the average of the Reference Treasury Dealer Quotations for such Redemption
Date, after excluding the highest and lowest Reference Treasury Dealer
Quotations, or (ii) if the Independent Investment Banker obtains fewer than four
such Reference Treasury Dealer Quotations, the average of all such Reference
Treasury Dealer Quotations. 

    
“Independent Investment Banker” means one of the Reference Treasury
Dealers selected by the Company or, if such firm is unwilling or unable to
select the Comparable Treasury Issue, an independent investment banking
institution of national standing appointed by the Company. 

    
“Reference Treasury Dealer” means (i) Citigroup Global Markets Inc., J.P.
Morgan Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated
and one primary U.S. Government securities dealer in New York City selected by
Wells Fargo Securities, LLC, or their respective successors; provided, however, that if any of the
foregoing shall cease to be a primary U.S. Government securities dealer in the
United States (a “Primary Treasury Dealer”), the Company shall substitute
therefor another Primary Treasury Dealer and (ii) any other Primary Treasury
Dealer selected by the Company after consultation with the Independent
Investment Banker. 

R-2 

    
“Reference Treasury Dealer Quotations” means, with respect to each
Reference Treasury Dealer and any Redemption Date, the average, as determined by
the Independent Investment Banker, of the
bid and asked prices for the Comparable Treasury Issue (expressed in each case
as a percentage of its principal amount) quoted in writing to the Independent
Investment Banker at 5:00 p.m., New York City time, on the third Business Day
preceding such Redemption Date. 

    
“Remaining Scheduled Payments” means, with respect to each Security to be
redeemed, the remaining scheduled payments of the principal thereof and interest
thereon that would be due after the related Redemption Date but for such
redemption. 

    
“Treasury Rate” means, with respect to any Redemption Date, the rate per
annum equal to the semi-annual equivalent yield to maturity of the Comparable
Treasury Issue, calculated using a price for the Comparable Treasury Issue
(expressed as a percentage of its principal amount) equal to the Comparable
Treasury Price for such Redemption Date. The Treasury Rate will be calculated by
the Independent Investment Banker on the third Business Day preceding the
Redemption Date. 

    
Unless the Company defaults in payment of the Redemption Price, on and
after the Redemption Date, interest will cease to accrue on the Securities or
any portion thereof called for redemption. On or before any Redemption Date, the
Company shall deposit with a Paying Agent (or the Trustee) money sufficient to
pay the Redemption Price of and accrued interest on the Securities to be
redeemed on such date. If less than all the Securities are to be redeemed, the
Trustee shall select the Securities to be redeemed by any method the Trustee
shall deem fair and appropriate. 

    
If a Change of Control Triggering Event occurs, unless the Company has
exercised its option to redeem the Securities as described above, the Company
will be required to make an offer (the “Change of Control Offer”) to each Holder
of the Securities to repurchase all or any part (equal to $2,000 or an integral
multiple of $1,000 in excess thereof) of that Holder's Securities on the terms
set forth herein. In the Change of Control Offer, the Company will be required
to offer payment in cash equal to 101% of the aggregate principal amount of the
Securities repurchased, plus accrued and unpaid interest, if any, on the
Securities repurchased to, but not including, the date of repurchase (the
“Change of Control Payment”). Within 30 days following any Change of Control
Triggering Event or, at the Company's option, prior to the date of the
consummation of any Change of Control, but after public announcement of the
transaction that constitutes or may constitute the Change of Control, the
Company will be required to deliver a notice to Holders of Securities, with a
copy to the Trustee, describing the transaction or transactions that constitute
or may constitute the Change of Control Triggering Event and offering to
repurchase the Securities on the date specified in the notice, which date will
be no earlier than 30 days and no later than 60 days from the date such notice
is mailed (the “Change of Control Payment Date”) pursuant to the procedures
described in such notice. 

R-3 

     The notice shall,
if sent prior to the date of the consummation of the Change of Control, state
that the offer to purchase is conditioned on the Change of Control Triggering
Event occurring on or prior to the Change of Control Payment Date. 

    
On the Change of Control Payment Date, the Company will be required, to
the extent lawful: (i) accept for payment all Securities or portions of
Securities properly tendered pursuant to the Change of Control Offer; (ii)
deposit with the Paying Agent an amount equal to the Change of Control Payment
in respect of all Securities or portions of Securities properly tendered; and
(iii) deliver or cause to be delivered to the Trustee for cancellation the
Securities properly accepted together with an Officers' Certificate stating the
aggregate principal amount of Securities or portions of Securities being
repurchased. 

    
The Paying Agent will promptly mail or electronically deliver to each
Holder of Securities properly tendered the Change of Control Payment for the
Securities, and the Trustee will promptly authenticate and mail (or cause to be
transferred by book-entry) to each Holder a new Security equal in principal
amount to any unpurchased portion of any Securities surrendered; provided that
each new Security will be in a principal amount of $2,000 or an integral
multiple of $1,000 in excess thereof.

    
Notwithstanding the above, the Company will not be required to make the
Change of Control Offer upon a Change of Control Triggering Event if a third
party makes such an offer in the manner, at the times and otherwise in
compliance with the requirements for an offer to be made by the Company and such
third party purchases all Securities properly tendered and not withdrawn under
its offer. In addition, the Company will not repurchase any Securities if there
has occurred and is continuing on the Change of Control Payment Date an Event of
Default under the Indenture, other than a default in the payment of the Change
of Control Payment upon a Change of Control Triggering Event. 

    
The Company will comply with the requirements of Rule 14e-1 under the
Securities Exchange Act of 1934, as amended (the “Exchange Act”), and any other
securities laws and regulations to the extent those laws and regulations are
applicable in connection with the repurchase of the Securities as a result of a
Change of Control Triggering Event. To the extent that the provisions of any
securities laws or regulations conflict with the Change of Control Offer
provisions of the Securities, the Company will comply with those securities laws
and regulations and will not be deemed to have breached its obligations under
the Indenture or the Change of Control Offer provisions of the Securities by
virtue of any such conflicts. 

R-4 

    
“Change of Control” means the occurrence of any of the following: (1) the
consummation of any transaction (including, without limitation, any merger or
consolidation) the result of which is that any “person” (as that term is used in
Section 13(d)(3) of the Exchange Act) (other than the Company or one of its
subsidiaries) becomes the beneficial owner (as defined in Rules 13d-3 and 13d-5
under the Exchange Act), directly or indirectly,
of more than 50% of the combined voting power of the Company’s Voting Stock or
other Voting Stock into which the Company's Voting Stock is reclassified,
consolidated, exchanged or changed, measured by voting power rather than number
of shares; or (2) the direct or indirect sale, transfer, conveyance or other
disposition (other than by way of merger or consolidation), in one or more
series of related transactions, of all or substantially all of the Company’s and
its subsidiaries’ properties and assets, taken as a whole, to one or more
Persons (other than the Company or one of its subsidiaries). Notwithstanding the
foregoing, a transaction will not be deemed to involve a Change of Control if
(1) the Company becomes a direct or indirect wholly-owned subsidiary of a
holding company and (2)(A) the direct or indirect holders of the Voting Stock of
such holding company immediately following that transaction are substantially
the same as the holders of the Company's Voting Stock immediately prior to that
transaction or (B) immediately following that transaction no Person (other than
a holding company satisfying the requirements of this sentence) is the
beneficial owner, directly or indirectly, of more than 50% of the Voting Stock
of such holding company. 

    
“Change of Control Triggering Event” means the occurrence of both a
Change of Control and a Rating Event. 

    
“Fitch” means Fitch Ratings Ltd. and its successors. 

    
“Investment Grade Rating” means a rating equal to or higher than BBB- (or
the equivalent) by Fitch, Baa3 (or the equivalent) by Moody's and BBB- (or the
equivalent) by S&P, and the equivalent investment grade credit rating from
any additional rating agency or rating agencies selected by the Company.

    
“Moody's” means Moody's Investors Service Inc. and its successors.

    
“Rating Agencies” means (1) each of Fitch, Moody's and S&P; and (2)
if any of Fitch, Moody's or S&P ceases to rate the Securities or fails to
make a rating of the Securities publicly available for reasons outside of the
Company's control, a “nationally recognized statistical rating organization”
within the meaning of Section 3(a)(62) of the Exchange Act selected by the
Company (as certified by a resolution of the Board of Directors) as a
replacement agency for Fitch, Moody's or S&P, or any of them, as the case
may be. 

R-5 

    
“Rating Event” means the rating on the Securities is lowered by each of
the Rating Agencies and the Securities are rated below an Investment Grade
Rating by each of the Rating Agencies on any day within the 60-day period (which
60-day period will be extended so long as the rating of the Securities is under
publicly announced consideration for a possible downgrade by any of the Rating
Agencies) after the earlier of (1) the occurrence of a Change of Control and (2)
public notice of (i) the occurrence of a Change of Control or (ii) an
arrangement that could result in the occurrence of a Change of Control; provided, however, that a Rating Event otherwise
arising by virtue of a particular reduction in rating will not be deemed to have
occurred in respect of a particular Change of Control (and thus will not be
deemed a Rating Event for purposes of the definition of Change of Control
Triggering Event hereunder) if any Rating Agencies making the reduction in
rating to which this definition would otherwise apply do not announce or
publicly confirm or inform the Trustee in writing at the Company's or its
request that the reduction was the result, in whole or in part, of any event or
circumstance comprised of or arising as a result of, or in respect of, the
applicable Change of Control (whether or not the applicable Change of Control
has occurred at the time of the Rating Event). 

    
“S&P” means Standard & Poor's Ratings Services, a division of The
McGraw-Hill Companies, Inc., and its successors. 

    
“Voting Stock” means, with respect to any specified person as of any
date, the capital stock of such person then outstanding that is at the time
entitled to vote generally in the election of the board of directors or similar
governing body of such person. 

    
The Company may from time to time, without notice to or the consent of
the Holders, create and issue further notes ranking equally and ratably with the
Securities in all respects (or in all respects except for the payment of
interest accruing prior to the issue date of such further notes or except for
the first payment of interest following the issue date of such further notes),
so that these further notes will be consolidated and form a single series with
the Securities and have the same terms as to status, redemption or otherwise as
the Securities, provided that if such further notes are not fungible for United
States federal income tax purposes, the further notes will have a separate CUSIP
number. 

    
As provided in the Indenture and subject to certain limitations therein
set forth, this Security may be registered for transfer on the Security Register
of the Company, upon surrender of this Security for registration of transfer at
the office or agency of the Company in the Place of Payment, and at such other
locations as the Company may from time to time designate, duly endorsed by, or
accompanied by a written instrument of transfer in form satisfactory to the
Company and the Security Registrar duly executed by, the Holder hereof or the
Holder's attorney duly authorized in writing, and thereupon one or more new
Securities, of authorized denominations and for the same aggregate principal
amount, will be issued to the designated transferee or transferees. 

    
The Securities are issuable only as Registered Securities without coupons
in the denominations of $2,000 and integral multiples of $1,000 in excess
thereof. As provided in the Indenture, and subject to certain limitations
therein set forth, Securities are exchangeable for a like aggregate principal
amount of Securities of different authorized denominations, as requested by the
Holder surrendering the same. 

R-6 

     No service charge
will be made for any such registration of transfer or exchange, but the Company
may require payment of a sum sufficient to cover any tax or other governmental
charge payable in connection therewith. 

    
Prior to due presentment for registration of transfer of this Security,
the Company, the Trustee, the Security Registrar, the Paying Agent and any agent
of any one thereof may treat the Person in whose name this Security is
registered as the owner hereof for all purposes, whether or not this Security be
overdue, and neither the Company, the Trustee, the Security Registrar, the
Paying Agent nor any such agent shall be affected by notice to the contrary.

    
If an Event of Default with respect to the Securities shall occur, the
principal of all the Securities may be declared due and payable in the manner
and with the effect provided in the Indenture. 

    
The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Company with respect to the Securities and the rights of the Holders of the
Securities under the Indenture at any time by the Company with the consent of
the Holders of not less than a majority in aggregate principal amount of the
Securities at the time Outstanding. The Indenture also contains provisions
permitting the Holders of specified percentages in aggregate principal amount of
the Securities at the time Outstanding, on behalf of the Holders of all the
Securities, to waive compliance by the Company with certain provisions of the
Indenture and certain past defaults under the Indenture and their consequences.
Any such consent or waiver by the Holder of this Security shall be conclusive
and binding upon such Holder and upon all future Holders of this Security and of
any Security issued upon the registration of transfer hereof or in exchange
herefor or in lieu hereof whether or not a notation of such consent or waiver is
made upon this Security. 

    
No recourse shall be had for the payment of the principal of or the
interest on this Security, or for any claim based hereon, or otherwise in
respect hereof, or based on or in respect of the Indenture or any indenture
supplemental thereto, against any incorporator, stockholder, officer or
director, as such, past, present or future, of the Company or any successor
corporation, whether by virtue of any constitution, statute or rule of law, or
by the enforcement of any assessment or penalty or otherwise, all such liability
being, by the acceptance hereof and as part of the consideration for the issue
hereof, expressly waived and released. 

R-7

    
The Company at its option, subject to the terms and conditions contained
in the Indenture, (a) will be discharged from any and all obligations in respect
of the Securities (except for certain obligations to register the transfer and
exchange of such Securities, to replace mutilated, destroyed, lost or stolen
Securities, to compensate, reimburse and indemnify the Trustee, to maintain an office or agency with respect to
the Securities and to hold moneys for payment in trust) or (b) may omit to
comply with certain restrictive covenants contained in the Indenture, in each
case upon irrevocable deposit with the Trustee in trust of money or U.S.
government securities (as described in the Indenture) or a combination thereof,
which through the payment of interest and principal in respect thereof in
accordance with their terms will provide money in an amount sufficient to
discharge the principal of and interest on such Securities on the Stated
Maturity of such principal or interest. 

    
Except as otherwise defined herein, all terms used in this Security which
are defined in the Indenture shall have the meanings assigned to them in the
Indenture. 

R-8 

ABBREVIATIONS 

     The following abbreviations, when used in
the inscription on the face of this instrument, shall be construed as though
they were written out in full according to applicable laws or regulations:

	TEN
      COM -  	as
      tenants in common			
	 		
	TEN
      ENT -	as
      tenants by the entireties			
	 		
	JT
      TEN -	as joint tenants with right of 

survivorship and not as tenants

 in
      common		
	 		
	UNIF
      GIFT				
	MIN
      ACT -	 	Custodian
		 		      	
			(Cust)	 	(Minor)
			under Uniform Gifts to Minors		

	 	Act  	 
		(State)

Additional
abbreviations may also be used though not in the above list.

______________________________

R-9 

     FOR
VALUE RECEIVED the undersigned hereby sell(s), assign(s) and transfer(s)
unto  

	 
	 
	 
	PLEASE INSERT SOCIAL SECURITY OR
OTHER IDENTIFYING NUMBER OF
      ASSIGNEE 
	 
	 	 
	 	
	 	 
	 	
	  
	 
	 
	(Please print or typewrite name and
      address
	including postal zip code of
    assignee)
	 
	 
	the within Note and all rights thereunder, and hereby irrevocably
      constitutes and appoints
	 
	 
	Attorney to transfer said Note on the books of the Company, with
      full power of substitution in the premises.

Dated:
______________________

NOTICE: The signature to this assignment must
correspond with the name as written upon the face of the within instrument in
every particular, without alteration or enlargement or any change whatever.

R-10Exhibit 4.3

Form of Note

[FACE OF NOTE] 

UNLESS THIS CERTIFICATE IS PRESENTED BY AN
AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST
COMPANY, A NEW YORK CORPORATION (THE “DEPOSITARY”) (55 WATER STREET, NEW YORK,
NEW YORK), TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS
REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS REQUESTED BY
AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITARY, AND ANY PAYMENT HEREON IS MADE
TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF THE DEPOSITARY, ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR
VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL SINCE THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST
HEREIN. 

UNLESS AND UNTIL THIS CERTIFICATE IS
EXCHANGED IN WHOLE OR IN PART FOR CERTIFICATES IN DEFINITIVE REGISTERED FORM,
THIS CERTIFICATE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE (A) BY THE DEPOSITARY
TO A NOMINEE THEREOF OR (B) BY A NOMINEE THEREOF TO THE DEPOSITARY OR ANOTHER
NOMINEE OF THE DEPOSITARY OR (C) BY THE
DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR NOMINEE OF SUCH
SUCCESSOR DEPOSITARY. 

SEE REVERSE FOR CERTAIN DEFINITIONS

	NUMBER R-1		$400,000,000

REGISTERED 

ROCKWELL COLLINS, INC. 

4.800% Notes due 2043 

	ISIN US774341AF84		
      CUSIP 774341
    AF8

      
Rockwell Collins, Inc., a corporation duly organized and existing under the laws
of the State of Delaware (herein referred to as the “Company”), for value
received, hereby promises to pay to CEDE & CO. or registered assigns, the
principal sum of FOUR HUNDRED MILLION DOLLARS ($400,000,000) on December 15,
2043, and to pay interest, semi-annually on June 15 and December 15 of each
year, commencing June 15, 2014 on said principal sum at the rate of 4.800% per
annum, from December 16, 2013, until payment of said principal sum has been made
or duly provided for. The interest so payable on any Interest Payment Date will,
subject to certain exceptions provided in the Indenture referred to on the
reverse hereof, be paid to the Person in whose name this Security (or one or
more Predecessor Securities) is registered at the close of business on the June
1 or December 1, as the case may be, next preceding such Interest Payment Date.
The principal of and interest on this Security are payable in such coin or
currency of the United States of America as at the time of payment is legal
tender for payment of public and private debts at the office or agency of the
Company in the Place of Payment, and at such other locations as the Company may
from time to time designate. Any interest not punctually paid or duly provided
for shall be payable as provided in said Indenture. 

      
Reference is made to the further provisions of this Security set forth on the
reverse hereof. Such further provisions shall for all purposes have the same
effect as though fully set forth at this place. 

      
Unless the certificate of authentication hereon has been executed by the Trustee
by the manual signature of one of its authorized officers, this Security shall
not be entitled to any benefit under the Indenture, or be valid or obligatory
for any purpose. 

2 

       IN
WITNESS WHEREOF, THE COMPANY HAS CAUSED THIS INSTRUMENT TO BE DULY EXECUTED
UNDER ITS CORPORATE SEAL. 

Dated: December 16, 2013 

		ROCKWELL
      COLLINS, INC.
			  
			 
		By		 
		 	Name: 
      	Patrick E. Allen	 
			Title:	Senior Vice President &	 
				Chief Financial Officer	 

[Corporate
Seal]

 

 

Attest _________________________

TRUSTEE'S CERTIFICATE OF AUTHENTICATION

       This
is one of the Securities of the series designated therein referred to in the
within-mentioned Indenture. 

		
      THE BANK OF NEW YORK MELLON
      
TRUST COMPANY, N.A., 
       Trustee
      

      By
      ________________________________
                    
      Authorized Officer 

      Dated:
      ________________________________

3 

[REVERSE OF NOTE] 

ROCKWELL COLLINS, INC. 

4.800% Notes due 2043 

       This
Security is one of a duly authorized issue of Securities of the Company
designated as its 4.800% Notes due December 15, 2043 (Securities of such series
being hereinafter called the “Securities”), limited in aggregate principal
amount to $400,000,000, issued under an Indenture dated as of November 1, 2001,
as supplemented as of December 4, 2006 (hereinafter called the “Indenture”),
between the Company and The Bank of New York Mellon Trust Company, N.A.
(formerly known as The Bank of New York Trust Company, N.A.), as Trustee
(hereinafter called the “Trustee”, which term includes any successor trustee
under the Indenture with respect to the Securities of this series), to which
Indenture and all indentures supplemental thereto reference is hereby made for a
statement of the respective rights thereunder of the Company, the Trustee and
any Holder of the Securities, and the terms upon which the Securities are, and
are to be, authenticated and delivered. 

      
Except as set forth below, this Security will be issued in global form only
registered in the name of the Depositary or its nominee. Except as set forth
below, this Security will not be issued in definitive form and ownership of this
Security shall be maintained in book-entry form by the Depositary for the
accounts of participating organizations of the Depositary. 

       The
Depositary for the Securities shall initially be The Depositary Trust Company.
If the Depositary is at any time unwilling, unable or ineligible to continue as
Depositary for the Securities and the Company does not appoint a successor
Depositary within 90 days, the Company will issue Securities in definitive form
to participants of the Depositary in exchange for the Global Security
representing the Securities. In addition, the Company may, at any time and in
its sole discretion, determine not to have any Securities represented in global
form. In that event, the Company will issue Securities in definitive form to
participants of the Depositary in exchange for the Global Security. 

       No
reference herein to the Indenture and no provision of this Security or of the
Indenture shall alter or impair the obligation of the Company, which is absolute
and unconditional, to pay the principal of and interest on this Security at the
times, place and rate, and in the coin and currency, herein prescribed.

       This
Security is not entitled to the benefit of a sinking fund or any analogous
provision. Securities will be redeemable as a whole at any time or in part from
time to time prior to June 15, 2043, at the option of the Company, on not less
than 30 or more than 60 days’ notice mailed to Holders
thereof, at a Redemption Price equal to the greater of (i) 100% of the principal
amount of the Securities being redeemed and (ii) the sum of the present values
of the Remaining Scheduled Payments (as defined below) of the Securities being
redeemed (excluding interest accrued as of the Redemption Date), discounted to
the Redemption Date on a semi-annual basis (assuming a 360-day year consisting
of twelve 30-day months) at the Treasury Rate (as defined below) plus 15 basis
points, together, in each case, with accrued and unpaid interest on the
principal amount being redeemed to but not including the Redemption Date.
Securities will be redeemable as a whole at any time or in part from time to
time on or after June 15, 2043, at the option of the Company, on not less than
30 or more than 60 days’ notice mailed to Holders thereof, at a Redemption Price
equal to 100% of the principal amount of the Securities being redeemed, with
accrued and unpaid interest on the principal amount being redeemed to but not
including the Redemption Date. 

R-1 

      
“Comparable Treasury Issue” means the United States Treasury security selected
by the Independent Investment Banker and having an actual or interpolated
maturity comparable to the remaining term of the Securities to be redeemed that
would be utilized, at the time of selection and in accordance with customary
financial practice, in pricing new issues of corporate debt securities of
comparable maturity to the remaining term of the Securities. 

      
“Comparable Treasury Price” means, with respect to any Redemption Date, (i) the
average of the Reference Treasury Dealer Quotations for such Redemption Date,
after excluding the highest and lowest Reference Treasury Dealer Quotations, or
(ii) if the Independent Investment Banker obtains fewer than four such Reference
Treasury Dealer Quotations, the average of all such Reference Treasury Dealer
Quotations. 

      
“Independent Investment Banker” means one of the Reference Treasury Dealers
selected by the Company or, if such firm is unwilling or unable to select the
Comparable Treasury Issue, an independent investment banking institution of
national standing appointed by the Company. 

      
“Reference Treasury Dealer” means (i) Citigroup Global Markets Inc., J.P. Morgan
Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated and one
primary U.S. Government securities dealer in New York City selected by Wells
Fargo Securities, LLC, or their respective successors; provided, however, that if any of the
foregoing shall cease to be a primary U.S. Government securities dealer in the
United States (a “Primary Treasury Dealer”), the Company shall substitute
therefor another Primary Treasury Dealer and (ii) any other Primary Treasury
Dealer selected by the Company after consultation with the Independent
Investment Banker. 

      
“Reference Treasury Dealer Quotations” means, with respect to each Reference
Treasury Dealer and any Redemption Date, the average, as determined by the Independent Investment Banker, of the bid and asked prices for
the Comparable Treasury Issue (expressed in each case as a percentage of its
principal amount) quoted in writing to the Independent Investment Banker at 5:00
p.m., New York City time, on the third Business Day preceding such Redemption
Date. 

R-2 

      
“Remaining Scheduled Payments” means, with respect to each Security to be
redeemed, the remaining scheduled payments of the principal thereof and interest
thereon that would be due after the related Redemption Date but for such
redemption. 

      
“Treasury Rate” means, with respect to any Redemption Date, the rate per annum
equal to the semi-annual equivalent yield to maturity of the Comparable Treasury
Issue, calculated using a price for the Comparable Treasury Issue (expressed as
a percentage of its principal amount) equal to the Comparable Treasury Price for
such Redemption Date. The Treasury Rate will be calculated by the Independent
Investment Banker on the third Business Day preceding the Redemption Date.

      
Unless the Company defaults in payment of the Redemption Price, on and after the
Redemption Date, interest will cease to accrue on the Securities or any portion
thereof called for redemption. On or before any Redemption Date, the Company
shall deposit with a Paying Agent (or the Trustee) money sufficient to pay the
Redemption Price of and accrued interest on the Securities to be redeemed on
such date. If less than all the Securities are to be redeemed, the Trustee shall
select the Securities to be redeemed by any method the Trustee shall deem fair
and appropriate. 

       In
the event that (i) the Company does not consummate the acquisition of ARINC
Incorporated on or before May 31, 2014 (the “Acquisition Deadline Date”), or
(ii) the agreement and plan of merger for the acquisition of ARINC Incorporated
(the “Merger Agreement”) is terminated at any time on or before the Acquisition
Deadline Date, the Company will redeem all the Securities at a redemption price
equal to 101% of the aggregate principal amount of the Securities to be redeemed
(the “Special Acquisition Redemption Price”), plus accrued and unpaid interest
to but excluding the Special Acquisition Redemption Date (the “Special
Acquisition Redemption”). 

      
“Special Acquisition Redemption Date” means the earlier to occur of (1) June 30,
2014 (or if such day is not a business day, the first business day thereafter),
or (2) the 30th day (or if such day is not a business day, the first business
day thereafter) following the termination of the Merger Agreement for any
reason. 

       If
the Company is required to redeem the Securities pursuant to the Special
Acquisition Redemption, the Company will cause notice to be sent to each Holder
of the Securities, with a copy to the Trustee, at their registered addresses
within five business days after the occurrence of the event that requires the
Company to redeem the Securities. If funds sufficient to pay the Special
Acquisition Redemption Price of all Securities to be redeemed on the Special Acquisition Redemption Date are deposited with
the Trustee on or before such Special Acquisition Redemption Date, plus accrued
and unpaid interest, if any, to but excluding the Special Acquisition Redemption
Date, such Securities will cease to bear interest and all rights under such
Securities shall terminate (other than in respect of the right to receive the
Special Acquisition Redemption Price, plus accrued and unpaid interest to but
excluding the Special Acquisition Redemption Date). 

R-3 

       If a
Change of Control Triggering Event occurs, unless the Company has exercised its
option to redeem the Securities as described above, the Company will be required
to make an offer (the “Change of Control Offer”) to each Holder of the
Securities to repurchase all or any part (equal to $2,000 or an integral
multiple of $1,000 in excess thereof) of that Holder's Securities on the terms
set forth herein. In the Change of Control Offer, the Company will be required
to offer payment in cash equal to 101% of the aggregate principal amount of the
Securities repurchased, plus accrued and unpaid interest, if any, on the
Securities repurchased to, but not including, the date of repurchase (the
“Change of Control Payment”). Within 30 days following any Change of Control
Triggering Event or, at the Company's option, prior to the date of the
consummation of any Change of Control, but after public announcement of the
transaction that constitutes or may constitute the Change of Control, the
Company will be required to deliver a notice to Holders of Securities, with a
copy to the Trustee, describing the transaction or transactions that constitute
or may constitute the Change of Control Triggering Event and offering to
repurchase the Securities on the date specified in the notice, which date will
be no earlier than 30 days and no later than 60 days from the date such notice
is mailed (the “Change of Control Payment Date”) pursuant to the procedures
described in such notice. 

       The
notice shall, if sent prior to the date of the consummation of the Change of
Control, state that the offer to purchase is conditioned on the Change of
Control Triggering Event occurring on or prior to the Change of Control Payment
Date. 

       On
the Change of Control Payment Date, the Company will be required, to the extent
lawful: (i) accept for payment all Securities or portions of Securities properly
tendered pursuant to the Change of Control Offer; (ii) deposit with the Paying
Agent an amount equal to the Change of Control Payment in respect of all
Securities or portions of Securities properly tendered; and (iii) deliver or
cause to be delivered to the Trustee for cancellation the Securities properly
accepted together with an Officers' Certificate stating the aggregate principal
amount of Securities or portions of Securities being repurchased. 

       The
Paying Agent will promptly mail or electronically deliver to each Holder of
Securities properly tendered the Change of Control Payment for the Securities,
and the Trustee will promptly authenticate and mail (or cause to be transferred
by book-entry) to each Holder a new Security equal in principal amount to any
unpurchased portion of any Securities surrendered;
provided that each new Security will be in a principal amount of $2,000 or an
integral multiple of $1,000 in excess thereof.

R-4 

      
Notwithstanding the above, the Company will not be required to make the Change
of Control Offer upon a Change of Control Triggering Event if a third party
makes such an offer in the manner, at the times and otherwise in compliance with
the requirements for an offer to be made by the Company and such third party
purchases all Securities properly tendered and not withdrawn under its offer. In
addition, the Company will not repurchase any Securities if there has occurred
and is continuing on the Change of Control Payment Date an Event of Default
under the Indenture, other than a default in the payment of the Change of
Control Payment upon a Change of Control Triggering Event. 

       The
Company will comply with the requirements of Rule 14e-1 under the Securities
Exchange Act of 1934, as amended (the “Exchange Act”), and any other securities
laws and regulations to the extent those laws and regulations are applicable in
connection with the repurchase of the Securities as a result of a Change of
Control Triggering Event. To the extent that the provisions of any securities
laws or regulations conflict with the Change of Control Offer provisions of the
Securities, the Company will comply with those securities laws and regulations
and will not be deemed to have breached its obligations under the Indenture or
the Change of Control Offer provisions of the Securities by virtue of any such
conflicts. 

      
“Change of Control” means the occurrence of any of the following: (1) the
consummation of any transaction (including, without limitation, any merger or
consolidation) the result of which is that any “person” (as that term is used in
Section 13(d)(3) of the Exchange Act) (other than the Company or one of its
subsidiaries) becomes the beneficial owner (as defined in Rules 13d-3 and 13d-5
under the Exchange Act), directly or indirectly, of more than 50% of the
combined voting power of the Company’s Voting Stock or other Voting Stock into
which the Company's Voting Stock is reclassified, consolidated, exchanged or
changed, measured by voting power rather than number of shares; or (2) the
direct or indirect sale, transfer, conveyance or other disposition (other than
by way of merger or consolidation), in one or more series of related
transactions, of all or substantially all of the Company’s and its subsidiaries’
properties and assets, taken as a whole, to one or more Persons (other than the
Company or one of its subsidiaries). Notwithstanding the foregoing, a
transaction will not be deemed to involve a Change of Control if (1) the Company
becomes a direct or indirect wholly-owned subsidiary of a holding company and
(2)(A) the direct or indirect holders of the Voting Stock of such holding
company immediately following that transaction are substantially the same as the
holders of the Company's Voting Stock immediately prior to that transaction or
(B) immediately following that transaction no Person (other than a holding
company satisfying the requirements of this sentence) is the beneficial owner,
directly or indirectly, of more than 50% of the Voting Stock of such holding
company. 

R-5 

      
“Change of Control Triggering Event” means the occurrence of both a Change of
Control and a Rating Event. 

      
“Fitch” means Fitch Ratings Ltd. and its successors. 

      
“Investment Grade Rating” means a rating equal to or higher than BBB- (or the
equivalent) by Fitch, Baa3 (or the equivalent) by Moody's and BBB- (or the
equivalent) by S&P, and the equivalent investment grade credit rating from
any additional rating agency or rating agencies selected by the Company.

      
“Moody’s” means Moody's Investors Service Inc. and its successors. 

      
“Rating Agencies” means (1) each of Fitch, Moody's and S&P; and (2) if any
of Fitch, Moody's or S&P ceases to rate the Securities or fails to make a
rating of the Securities publicly available for reasons outside of the Company's
control, a “nationally recognized statistical rating organization” within the
meaning of Section 3(a)(62) of the Exchange Act selected by the Company (as
certified by a resolution of the Board of Directors) as a replacement agency for
Fitch, Moody's or S&P, or any of them, as the case may be. 

      
“Rating Event” means the rating on the Securities is lowered by each of the
Rating Agencies and the Securities are rated below an Investment Grade Rating by
each of the Rating Agencies on any day within the 60-day period (which 60-day
period will be extended so long as the rating of the Securities is under
publicly announced consideration for a possible downgrade by any of the Rating
Agencies) after the earlier of (1) the occurrence of a Change of Control and (2)
public notice of (i) the occurrence of a Change of Control or (ii) an
arrangement that could result in the occurrence of a Change of Control;
provided, however, that a Rating Event otherwise arising by virtue of a
particular reduction in rating will not be deemed to have occurred in respect of
a particular Change of Control (and thus will not be deemed a Rating Event for
purposes of the definition of Change of Control Triggering Event hereunder) if
any Rating Agencies making the reduction in rating to which this definition
would otherwise apply do not announce or publicly confirm or inform the Trustee
in writing at the Company's or its request that the reduction was the result, in
whole or in part, of any event or circumstance comprised of or arising as a
result of, or in respect of, the applicable Change of Control (whether or not
the applicable Change of Control has occurred at the time of the Rating Event).

      
“S&P” means Standard & Poor's Ratings Services, a division of The
McGraw-Hill Companies, Inc., and its successors. 

R-6 

      
“Voting Stock” means, with respect to any specified person as of any date, the
capital stock of such person then outstanding that is at the time entitled to
vote generally in the election of the board of directors or similar governing
body of such person. 

       The
Company may from time to time, without notice to or the consent of the Holders,
create and issue further notes ranking equally and ratably with the Securities
in all respects (or in all respects except for the payment of interest accruing
prior to the issue date of such further notes or except for the first payment of
interest following the issue date of such further notes), so that these further
notes will be consolidated and form a single series with the Securities and have
the same terms as to status, redemption or otherwise as the Securities, provided
that if such further notes are not fungible for United States federal income tax
purposes, the further notes will have a separate CUSIP number. 

       As
provided in the Indenture and subject to certain limitations therein set forth,
this Security may be registered for transfer on the Security Register of the
Company, upon surrender of this Security for registration of transfer at the
office or agency of the Company in the Place of Payment, and at such other
locations as the Company may from time to time designate, duly endorsed by, or
accompanied by a written instrument of transfer in form satisfactory to the
Company and the Security Registrar duly executed by, the Holder hereof or the
Holder's attorney duly authorized in writing, and thereupon one or more new
Securities, of authorized denominations and for the same aggregate principal
amount, will be issued to the designated transferee or transferees. 

       The
Securities are issuable only as Registered Securities without coupons in the
denominations of $2,000 and integral multiples of $1,000 in excess thereof. As
provided in the Indenture, and subject to certain limitations therein set forth,
Securities are exchangeable for a like aggregate principal amount of Securities
of different authorized denominations, as requested by the Holder surrendering
the same. 

       No
service charge will be made for any such registration of transfer or exchange,
but the Company may require payment of a sum sufficient to cover any tax or
other governmental charge payable in connection therewith. 

       Prior
to due presentment for registration of transfer of this Security, the Company,
the Trustee, the Security Registrar, the Paying Agent and any agent of any one
thereof may treat the Person in whose name this Security is registered as the
owner hereof for all purposes, whether or not this Security be overdue, and
neither the Company, the Trustee, the Security Registrar, the Paying Agent nor
any such agent shall be affected by notice to the contrary. 

       If an
Event of Default with respect to the Securities shall occur, the principal of
all the Securities may be declared due and payable in the manner and with the
effect provided in the Indenture. 

R-7 

       The
Indenture permits, with certain exceptions as therein provided, the amendment
thereof and the modification of the rights and obligations of the Company with
respect to the Securities and the rights of the Holders of the Securities under
the Indenture at any time by the Company with the consent of the Holders of not
less than a majority in aggregate principal amount of the Securities at the time
Outstanding. The Indenture also contains provisions permitting the Holders of
specified percentages in aggregate principal amount of the Securities at the
time Outstanding, on behalf of the Holders of all the Securities, to waive
compliance by the Company with certain provisions of the Indenture and certain
past defaults under the Indenture and their consequences. Any such consent or
waiver by the Holder of this Security shall be conclusive and binding upon such
Holder and upon all future Holders of this Security and of any Security issued
upon the registration of transfer hereof or in exchange herefor or in lieu
hereof whether or not a notation of such consent or waiver is made upon this
Security. 

       No
recourse shall be had for the payment of the principal of or the interest on
this Security, or for any claim based hereon, or otherwise in respect hereof, or
based on or in respect of the Indenture or any indenture supplemental thereto,
against any incorporator, stockholder, officer or director, as such, past,
present or future, of the Company or any successor corporation, whether by
virtue of any constitution, statute or rule of law, or by the enforcement of any
assessment or penalty or otherwise, all such liability being, by the acceptance
hereof and as part of the consideration for the issue hereof, expressly waived
and released. 

       The
Company at its option, subject to the terms and conditions contained in the
Indenture, (a) will be discharged from any and all obligations in respect of the
Securities (except for certain obligations to register the transfer and exchange
of such Securities, to replace mutilated, destroyed, lost or stolen Securities,
to compensate, reimburse and indemnify the Trustee, to maintain an office or
agency with respect to the Securities and to hold moneys for payment in trust)
or (b) may omit to comply with certain restrictive covenants contained in the
Indenture, in each case upon irrevocable deposit with the Trustee in trust of
money or U.S. government securities (as described in the Indenture) or a
combination thereof, which through the payment of interest and principal in
respect thereof in accordance with their terms will provide money in an amount
sufficient to discharge the principal of and interest on such Securities on the
Stated Maturity of such principal or interest. 

      
Except as otherwise defined herein, all terms used in this Security which are
defined in the Indenture shall have the meanings assigned to them in the
Indenture. 

R-8 

ABBREVIATIONS 

    
The following abbreviations, when used in the inscription on the face of
this instrument, shall be construed as though they were written out in full
according to applicable laws or regulations: 

	TEN COM - 
      	as tenants in
      common			
	 		
	TEN ENT
    -	as tenants by
      the entireties			
	 		
	JT TEN
-	as
      joint tenants with right of

survivorship and not as tenants

in
      common		
	 		
	UNIF
    GIFT				
	MIN ACT
    -	 	Custodian
		 		     
    	
			(Cust)	 	(Minor)
			under Uniform
      Gifts to Minors		

	 	Act 
    	 
		(State)

Additional abbreviations may also be
used though not in the above list.

______________________________

R-9 

     FOR VALUE
RECEIVED the undersigned hereby sell(s), assign(s) and transfer(s)
unto  

	 
	 
	 
	PLEASE INSERT SOCIAL SECURITY OR
OTHER IDENTIFYING NUMBER OF
      ASSIGNEE 
	 
	 	 
	 	
	 	 
	 	
	  
	 
	 
	(Please print or typewrite name and address
	including postal zip code of assignee)
	 
	 
	the within Note and all rights thereunder, and hereby irrevocably
      constitutes and appoints
	 
	 
	Attorney to transfer said Note on the books of the Company, with
      full power of substitution in the premises.

Dated: ______________________

NOTICE: The signature to this assignment
must correspond with the name as written upon the face of the within instrument
in every particular, without alteration or enlargement or any change whatever.

R-10

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