Document:

EX-10.43

 Exhibit 10.43 
 FORM OF JOINDER AGREEMENT 
 THIS JOINDER AGREEMENT (this
“Agreement”), dated as of
[                                        
*], is entered into among
[                                        *]
(each, a “New Subsidiary” and collectively, the “New Subsidiaries”), and CREDIT SUISSE AG (formerly known as Credit Suisse), as Agent, under that certain Credit Agreement, dated as of June 23, 2006 (as the
same may be amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among TransDigm Inc., a Delaware corporation (the “Borrower”), TransDigm Group Incorporated, a Delaware
corporation, the Subsidiaries of the Borrower from time to time party thereto, the Lenders from time to time party thereto and the Agent, as amended by (i) that certain Amendment No. 1, Consent and Agreement dated as of January 25,
2007 and (ii) that certain Assumption Agreement dated as of February 7, 2007. All capitalized terms used herein and not otherwise defined shall have the meanings set forth in the Credit Agreement. 

Each New Subsidiary and the Agent, for the benefit of the Lenders, hereby agree as follows: 

1. Each New Subsidiary hereby acknowledges, agrees and confirms that, by its execution of this Agreement, each New Subsidiary will be
deemed to be a Loan Party under the Credit Agreement and a Loan Guarantor for all purposes of the Credit Agreement and shall have all of the obligations of a Loan Party and a Loan Guarantor thereunder as if it had executed the Credit Agreement. Each
New Subsidiary hereby ratifies, as of the date hereof, and agrees to be bound by, all of the terms, provisions and conditions contained in the Credit Agreement, including without limitation (a) all of the representations and warranties of the
Loan Parties set forth in Article III of the Credit Agreement (to the extent made or deemed made on or after the effective date hereof), (b) all of the covenants set forth in Articles V and VI of the Credit Agreement and(c) all of the guaranty
obligations set forth in the Guarantee and Collateral Agreement. Without limiting the generality of the foregoing terms of this paragraph 1, each New Subsidiary, subject to the limitations set forth in the Guarantee and Collateral Agreement, hereby
absolutely and unconditionally guarantees, jointly and severally with the other Loan Guarantors, to the Agent and the Lenders, the prompt payment of the Secured Obligations in full when due (whether at stated maturity, upon acceleration or
otherwise) to the extent of and in accordance with the Guarantee and Collateral Agreement. 
 2. If required, each New
Subsidiary is, simultaneously with the execution of this Agreement, executing and delivering such Collateral Documents (and such other documents and instruments) as requested by the Agent in accordance with the Credit Agreement. 

3. Each New Subsidiary hereby waives acceptance by the Agent and the Lenders of the guaranty by each New Subsidiary upon the execution of
this Agreement by each New Subsidiary. 
 4. This Agreement may be executed in any number of counterparts, each of which when so
executed and delivered shall be an original, but all of which shall constitute one and the same instrument. 
 5. THIS AGREEMENT
AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF NEW YORK. 
 [Remainder of page intentionally left blank] 

 IN WITNESS WHEREOF, each New Subsidiary has caused this Agreement to be duly executed by its
respective authorized officer, and the Agent, for the benefit of the Lenders, has caused the same to be accepted by its authorized officer, as of the day and year first above written. 

 

			
	[Applicable subsidiary signatures]*
	
	Acknowledged and accepted:
	
	CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH (formerly known as Credit Suisse, Cayman Islands branch), as Agent
		
	 by
	 	/s/
		 	Name:
		 	Title:
		
	 by
	 	/s/
		 	Name:
		 	Title:

 * MCKECHNIE AEROSPACE HOLDINGS, INC., MCKECHNIE AEROSPACE DE, INC., MCKECHNIE AEROSPACE US LLC, MCKECHNIE AEROSPACE
INVESTMENTS, INC., VALLEY-TODECO, INC., HARTWELL CORPORATION, WESTERN SKY INDUSTRIES, LLC and TEXAS ROTRONICS, INC. became parties to a Joinder Agreement in the form hereof on December 6, 2010. SEMCO INSTRUMENTS, INC. became party to a Joinder
Agreement substantially in the form hereof on September 3, 2010. DUKES AEROSPACE, INC. became a party to a Joinder Agreement substantially in the form hereof on December 2, 2009. ACME AEROSPACE, INC. became a party to a Joinder Agreement
substantially in the form hereof on July 27, 2009. AIRCRAFT PARTS CORPORATION became a party to a Joinder Agreement substantially in the form hereof on December 16, 2008. CEF INDUSTRIES, INC. became a party to a Joinder Agreement
substantially in the form hereof on May 7, 2008. BRUCE AEROSPACE INC. and BRUCE INDUSTRIES, INC. became parties to a Joinder Agreement substantially in the form hereof on September 10, 2007. AEROCONTROLEX GROUP, INC. became a party to a
Joinder Agreement substantially in the form hereof on June 29, 1007. AVIATION TECHNOLOGIES, INC., AVTECH CORPORATION, TRANSICOIL CORP., WEST COAST SPECIALTIES, INC. and MALAYSIAN AEROSPACE SERVICES, INC. became parties to a Joinder Agreement
substantially in the form hereof on February 7, 2007. CDA INTERCORP became a party to a Joinder Agreement substantially in the form hereof on November 2, 2006.EX-10.47

 Exhibit 10.47 
 FORM OF JOINDER AGREEMENT 
 THIS JOINDER AGREEMENT (this
“Agreement”), dated as of September 22, 2011, is entered into between [Schneller Holdings LLC, a Delaware limited liability company] [Schneller LLC, a Delaware limited liability company] [Schneller International Sales Corp.,
an Ohio corporation] (the “New Subsidiary”) and CREDIT SUISSE AG, as administrative agent and collateral agent (in such capacities, the “Agent”), under that certain Credit Agreement, dated as of December 6,
2010, as amended by Amendment No. 1 as of March 25, 2011 (as the same may be further amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among TransDigm Inc., a Delaware corporation (the
“Borrower”), TransDigm Group Incorporated, a Delaware corporation, the Subsidiaries of the Borrower from time to time party thereto, the Lenders from time to time party thereto and the Agent. All capitalized terms used herein and
not otherwise defined shall have the meanings set forth in the Credit Agreement. 
 The New Subsidiary and the Agent, for the benefit of the
Lenders, hereby agree as follows: 
 1. The New Subsidiary hereby acknowledges, agrees and confirms that, by its execution of
this Agreement, the New Subsidiary will be deemed to be a Loan Party under the Credit Agreement and a Loan Guarantor for all purposes of the Credit Agreement and shall have all of the obligations of a Loan Party and a Subsidiary Guarantor thereunder
as if it had executed the Credit Agreement. The New Subsidiary hereby ratifies, as of the date hereof, and agrees to be bound by, all of the terms, provisions and conditions contained in the Credit Agreement, including without limitation
(a) all of the representations and warranties of the Loan Parties set forth in Article III of the Credit Agreement (to the extent made or deemed made on or after the effective date hereof), (b) all of the covenants set forth in Articles V
and VI of the Credit Agreement and (c) all of the guaranty obligations set forth in the Guarantee and Collateral Agreement. Without limiting the generality of the foregoing terms of this paragraph 1, the New Subsidiary, subject to the
limitations set forth in the Guarantee and Collateral Agreement, hereby absolutely and unconditionally guarantees, jointly and severally with the other Guarantors, to the Agent and the Lenders, the prompt payment of the Additional Obligations in
full when due (whether at stated maturity, upon acceleration or otherwise) to the extent of and in accordance with Guarantee and Collateral Agreement. 
 2. If required, the New Subsidiary is, simultaneously with the execution of this Agreement, executing and delivering such Collateral Documents (and such other documents and instruments) as reasonably
requested by the Agent in accordance with the Credit Agreement. 
 3. The New Subsidiary hereby waives acceptance by the Agent
and the Lenders of the guaranty by the New Subsidiary upon the execution of this Agreement by the New Subsidiary. 
 4. This
Agreement may be executed in any number of counterparts, each of which when so executed and delivered shall be an original, but all of which shall constitute one and the same instrument. 

5. THIS AGREEMENT AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS
OF THE STATE OF NEW YORK. 

 IN WITNESS WHEREOF, the New Subsidiary has caused this Agreement to be duly executed by its
authorized officer, and the Agent, for the benefit of the Lenders, has caused the same to be accepted by its authorized officer, as of the day and year first above written. 

 

			
	 [SCHNELLER HOLDINGS LLC]
 [SCHNELLER LLC]
 [SCHNELLER INTERNATIONAL SALES
CORP.]

		
	by	 	/s/ Gregory Rufus
		
		 	Name: Gregory Rufus
		
		 	Title: Treasurer and Secretary
		
		 	Acknowledged and accepted:
		
		 	CREDIT SUISSE AG, as Agent
		
	by	 	/s/ Robert Hetu
		
		 	Name: Robert Hetu
		
		 	Title: Managing Director
		
	by	 	/s/ Kevin Buddhdew
		
		 	Name: Kevin Buddhdew
		
		 	Title: AssociateEX-10.50

 Exhibit 10.50 
 FORM OF JOINDER AGREEMENT 
 THIS JOINDER AGREEMENT (this
“Agreement”), dated as of September 22, 2011, is entered into between [Schneller Holdings LLC, a Delaware limited liability company] [Schneller LLC, a Delaware limited liability company] [Schneller International Sales Corp.,
an Ohio corporation] (the “New Subsidiary”), and CREDIT SUISSE AG, as administrative agent and collateral agent (in such capacities, the “Agent”), under that certain Credit Agreement, dated as of
February 14, 2011 (as the same may be amended, supplemented or otherwise modified from time to time, the “Credit Agreement”), among TransDigm Inc., a Delaware corporation (the “Borrower”), TransDigm Group
Incorporated, a Delaware corporation, the Subsidiaries of the Borrower from time to time party thereto, the Lenders from time to time party thereto and the Agent. All capitalized terms used herein and not otherwise defined shall have the meanings
set forth in the Credit Agreement. 
 The New Subsidiary and the Agent, for the benefit of the Lenders, hereby agree as follows:

 1. The New Subsidiary hereby acknowledges, agrees and confirms that, by its execution of this Agreement, the New Subsidiary
will be deemed to be a Loan Party under the Credit Agreement and a Loan Guarantor for all purposes of the Credit Agreement and shall have all of the obligations of a Loan Party and a Subsidiary Guarantor thereunder as if it had executed the Credit
Agreement. The New Subsidiary hereby ratifies, as of the date hereof, and agrees to be bound by, all of the terms, provisions and conditions contained in the Credit Agreement, including without limitation (a) all of the representations and
warranties of the Loan Parties set forth in Article III of the Credit Agreement (to the extent made or deemed made on or after the effective date hereof), (b) all of the covenants set forth in Articles V and VI of the Credit Agreement and
(c) all of the guaranty obligations set forth in the Guarantee and Collateral Agreement. Without limiting the generality of the foregoing terms of this paragraph 1, the New Subsidiary, subject to the limitations set forth in the Guarantee and
Collateral Agreement, hereby absolutely and unconditionally guarantees, jointly and severally with the other Guarantors, to the Agent and the Lenders, the prompt payment of the Additional Obligations in full when due (whether at stated maturity,
upon acceleration or otherwise) to the extent of and in accordance with Guarantee and Collateral Agreement. 
 2. If required,
the New Subsidiary is, simultaneously with the execution of this Agreement, executing and delivering such Collateral Documents (and such other documents and instruments) as reasonably requested by the Agent in accordance with the Credit Agreement.

 3. The New Subsidiary hereby waives acceptance by the Agent and the Lenders of the guaranty by the New Subsidiary upon the
execution of this Agreement by the New Subsidiary. 
 4. This Agreement may be executed in any number of counterparts, each of
which when so executed and delivered shall be an original, but all of which shall constitute one and the same instrument. 
 5.
THIS AGREEMENT AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF NEW YORK. 

 IN WITNESS WHEREOF, the New Subsidiary has caused this Agreement to be duly executed by its
authorized officer, and the Agent, for the benefit of the Lenders, has caused the same to be accepted by its authorized officer, as of the day and year first above written. 

 

			
	 [SCHNELLER HOLDINGS LLC]
 [SCHNELLER LLC]
 [SCHNELLER INTERNATIONAL

SALES CORP.]

		
	by	 	/s/ Gregory Rufus
		 	Name: Gregory Rufus
		 	Title: Treasurer and Secretary
	
	Acknowledged and accepted:
	
	CREDIT SUISSE AG, as Agent
		
	by	 	/s/ Robert Hetu
		 	Name: Robert Hetu
		 	Title: Managing Director
		
	by	 	/s/ Kevin Buddhdew
		 	Name: Kevin Buddhdew
		 	Title: Associate

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