Document:

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                                                                  EXHIBIT 10.4.2

                                    AMENDMENT
                                     to the
              AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP
                                       of
                                GLOBALSTAR, L.P.

              AMENDMENT (this "Amendment"), dated as of February 1, 2000 to the
AMENDED AND RESTATED AGREEMENT OF LIMITED PARTNERSHIP of GLOBALSTAR, L.P., a
Delaware limited partnership ("Globalstar" or the "Partnership"), dated as of
January 26, 1999 (the "Partnership Agreement"), by and among LORAL/QUALCOMM
SATELLITE SERVICES, L.P., a Delaware limited partnership ("LQSS"), GLOBALSTAR
TELECOMMUNICATIONS LIMITED, a Bermuda company ("GTL") and the limited partners
signatories thereto as set forth on the signature pages hereto (collectively,
the "Limited Partners" and together with LQSS and GTL, the "Partners"), as
amended on December 8, 1999.

              WHEREAS, GTL is making an offering (the "Common Stock Offering")
of 8,050,000 shares of common stock, par value $1.00 per share (the "Common
Stock").

              WHEREAS, the Partnership requires additional capital to accomplish
its purposes; and

              WHEREAS, it is in the best interest of the Partnership to acquire
such additional capital by contribution from GTL of the proceeds of the Common
Stock Offering and for the Partnership to issue to GTL ordinary partnership
interests in connection therewith.

              NOW, THEREFORE, the Partners, in consideration of the premises and
their mutual agreements as hereinafter set forth, do hereby agree to amend the
Partnership Agreement as follows:

1.     AMENDMENT TO SECTION 2.1. Section 2.1 of the Partnership Agreement is
hereby amended as follows:

       The definition of "Authorized Partnership Interests" set forth in Section
2.1 shall be deleted and replaced in its entirety with the following:

              "Authorized Partnership Interests" means the sum of (i) 55,448,837
       Partnership Interests, (ii) 4,769,231 Partnership Interests, (iii) the
       number of Ordinary Partnership Interests issuable upon exercise of the
       warrants issuable to certain Partners or Affiliates thereof and to GTL in
       connection with the guarantee of the Partnership's obligations under the
       Globalstar Credit Agreement, (iv) the number of Series A Preferred
       Partnership Interests issued to GTL in connection with GTL's offering of
       the Series A Preferred Stock, including as a result of the exercise by
       the purchasers thereof of the option to purchase additional shares
       thereof under the purchase agreement relating thereto, (v) the number of
       Series B Preferred Partnership Interests issuable to GTL in connection
       with GTL's offering of the Series B Preferred Stock Offering, including
       as

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       a result of the exercise by the purchasers thereof of the option to
       purchase additional shares thereof under the purchase agreement relating
       thereto, (vi) the number of Ordinary Partnership Interests issuable upon
       conversion or exchange of the Series A Preferred Partnership Interests or
       Series B Preferred Partnership Interests or in satisfaction of any
       distribution, make-whole or redemption payment thereon, (vii) the number
       of Ordinary Partnership Interests issuable upon exercise of the warrants
       issuable to certain Partners of Globalstar, L.P., Loral/Qualcomm
       Satellite Services, L.P. or Loral/Qualcomm Partnership, L.P. or
       Affiliates thereof in connection with the guarantee of the Partnership's
       obligations under the $500 million credit agreement with Bank of America
       and the other lenders parties thereto, (viii) the number of Ordinary
       Partnership Interests issuable upon exercise of the Warrants issuable to
       Qualcomm Incorporated and its Affiliates in connection with up to $500
       million of vendor financing provided by Qualcomm Incorporated to the
       Partnership, (ix) the number of Ordinary Partnership Interests or PPIs
       that may be issued in connection with an offering of common stock,
       preferred stock, OPIs, PPIs, or any other equity interests of GTL or the
       Partnership, in an aggregate offering amount equal to the difference
       between 300 million and the gross proceeds of the Series B Preferred
       Stock Offering including Ordinary Partnership Interests issuable upon
       conversion or exchange of any PPIs issued in connection with such
       offering, or in satisfaction of any distribution, distribution make-whole
       payment, or redemption payment thereon and (x) the number of Ordinary
       Partnership Interests issuable to GTL in connection with the Common Stock
       Offering; provided, however, that any greater number of Authorized
       Partnership Interests may be authorized from time to time with the
       Consent of the Partners.

       2.     DEFINED TERMS. Capitalized terms used herein not otherwise defined
shall have the meanings set forth in the Partnership Agreement, as amended.

       3.     AMENDMENT TO SCHEDULE A. Schedule A to the Partnership Agreement
is hereby amended, as of the date hereof, as revised by the Managing General
Partner to reflect the issue of OPIs to GTL in connection with the Common Stock
Offering.

       4.     EFFECTIVENESS. This Amendment shall become effective as of the
date set forth above and when GTL shall have contributed the proceeds of the
Common Stock Offering to the Partnership and the Partnership shall have issued
the Ordinary Partnership Interests to GTL.

       5.     COUNTERPARTS. This Amendment may be executed in counterparts, all
of which together shall constitute one agreement binding on all the parties
hereto.

       6.     GOVERNING LAW. THIS AMENDMENT SHALL BE GOVERNED BY THE LAWS OF THE
STATE OF DELAWARE WITHOUT REGARD TO THE PRINCIPLES OF CONFLICTS OF LAW.

                                      -2-
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              IN WITNESS WHEREOF, the undersigned have caused this Amendment to
be duly executed and delivered by their respective duly authorized officer as of
the day and year first above written.

                              LORAL/QUALCOMM SATELLITE SERVICES, L.P.
                                   by LORAL/QUALCOMM PARTNERSHIP, L.P.
                                      its General Partner
                                   by LORAL GENERAL PARTNER, INC.
                                      its General Partner

                              By: /s/Eric J. Zahler
                                 ------------------------------------
                                 Name: Eric J. Zahler
                                 Title: Executive Vice President

                              GLOBALSTAR TELECOMMUNICATIONS LIMITED

                              By: /s/Eric J. Zahler
                                 ------------------------------------
                                 Name: Eric J. Zahler
                                 Title: Executive Vice President

                               Limited Partners:

                               AIRTOUCH SATELLITE SERVICES, INC.
                               DACOM CORPORATION
                               DACOM INTERNATIONAL, INC.
                               HYUNDAI CORPORATION
                               HYUNDAI ELECTRONICS INDUSTRIES CO., LTD.
                               LORAL/DASA GLOBALSTAR, L.P.
                               LORAL SPACE & COMMUNICATIONS LTD.
                               SAN GIORGIO S.p.A.
                               TELESAT LIMITED
                               TE. SA. M.
                               VODASTAR CELLULAR LIMITED
                               VODAFONE SATELLITE SERVICES LIMITED

                               BY : LORAL/QUALCOMM SATELLITE SERVICES, L.P.
                                      by LORAL/QUALCOMM PARTNERSHIP, L.P.
                                         its General Partner
                                      by LORAL GENERAL PARTNER, INC.
                                         its General Partner

                               By: /s/Eric J. Zahler
                                  -----------------------------------------
                                  Name:  Eric J. Zahler as Attorney-in-Fact<PAGE>   1
                                                                 EXHIBIT 10.16.2

                                                                               1

                                SECOND AMENDMENT

              SECOND AMENDMENT, dated as of September 4, 1998 (this
"Amendment"), to and of the Amended and Restated Credit and Participation
Agreement, dated as of November 14, 1997 (as amended, supplemented or otherwise
modified from time to time, the "Credit Agreement"), among LORAL SPACECOM
CORPORATION (the "Borrower"), SPACE SYSTEMS/LORAL, INC. ("SS/L"), the Banks from
time to time parties thereto (the "Banks"), ISTITUTO BANCARIO SAN PAOLO DI
TORINO S.P.A. ("San Paolo"), individually and as selling bank (in such capacity,
the "Selling Bank"), BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION
("Bank of America"), as administrative agent (in such capacity, the
"Administrative Agent") and as issuing bank, THE CHASE MANHATTAN BANK, as
syndication agent and NATIONSBANK OF TEXAS, N.A., as documentation agent.

                              W I T N E S S E T H :

              WHEREAS, the Borrower has requested that the Credit Agreement be
amended as more fully set forth below; and

              WHEREAS, the Required Banks are willing to agree to such
amendment;

              NOW, THEREFORE, in consideration of the premises and mutual
agreements contained herein and for other valuable consideration, the receipt
and sufficiency of which is hereby acknowledged, the parties hereto agree as
follows:

              Section 1. Defined Terms. Unless otherwise defined herein, terms
defined in the Credit Agreement are used herein as therein defined.

              Section 2. Amendment of Subsection 1.1 (Definitions). Subsection
1.1 of the Credit Agreement is hereby amended by deleting the defined terms
"Export Maturity Date" and "Export Termination Date" and substituting in lieu
thereof the following new defined terms in proper alphabetical order:

              "`Export Maturity Date': June 30, 1999."

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                                                                              2

              "`Export Termination Date': 23 months from the earlier of the
average date of the final acceptance of satellite deliveries under the contract
with Alenia to which the Export Loan Agreement relates and December 31, 1998,
but in no event later than November 30, 2000."

              Section 3. Conditions Precedent. This Amendment shall become
effective as of the date (the "Amendment Effective Date") that the
Administrative Agent shall have received counterparts of this Amendment, duly
executed by the Borrower, SS/L, the Selling Bank and the Required Banks.

              Section 4. Legal Obligation. The Company represents and warrants
to each Bank that this Amendment constitutes the legal, valid and binding
obligation of the Borrower, enforceable against it in accordance with its terms,
subject to the effects of bankruptcy, insolvency, fraudulent conveyances,
reorganization, moratorium and other similar laws relating to or affecting
creditors' rights generally, general equitable principles (whether considered in
a proceeding in equity or at law) and an implied covenant of good faith and fair
dealing.

              Section 5. Continuing Effect. Except for the amendments expressly
provided herein, the Credit Agreement shall continue to be, and shall remain, in
full force and effect in accordance with its terms. The amendments provided
herein shall be limited precisely as drafted and shall not be construed to be an
amendment or waiver of any other provision of the Credit Agreement other than as
specifically provided herein.

              Section 6. Expenses. The Borrower agrees to pay or reimburse the
Administrative Agent for all of its reasonable out-of-pocket costs and expenses
incurred in connection with the development, preparation and execution of, and
any amendment, supplement or modification to, this Amendment and any other
documents prepared in connection herewith, and the consummation of the
transactions contemplated hereby and thereby, including, without limitation, the
reasonable fees and disbursements of counsel to the Administrative Agent.

              SECTION 7. GOVERNING LAW. THIS AMENDMENT AND THE RIGHTS AND
OBLIGATIONS OF THE PARTIES UNDER THIS AMENDMENT SHALL BE GOVERNED BY, AND
CONSTRUED AND INTERPRETED IN ACCORDANCE WITH, THE LAW OF THE STATE OF NEW YORK.

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                                                                              3

              IN WITNESS WHEREOF, the parties hereto have caused this Amendment
to be duly executed and delivered by their proper and duly authorized officers
as of the date first above written.

                         LORAL SPACECOM CORPORATION

                         By:/s/Nicholas C. Moren
                            ------------------------------------
                            Title: Senior Vice President and Treasurer

                         SPACE SYSTEMS/LORAL, INC.

                         By:/s/Nicholas C. Moren
                            ------------------------------------
                            Title: Senior Vice President and Treasurer

                         BANK OF AMERICA NATIONAL TRUST AND
                         SAVINGS ASSOCIATION,
                           as Administrative Agent and as a Bank

                         By:/s/Steve A. Aronowitz
                            ------------------------------------
                            Title: Managing Director

                         BANK OF AMERICA NATIONAL TRUST AND
                         SAVINGS ASSOCIATION, as Issuing Bank

                         By:/s/Steve A. Aronowitz
                            ------------------------------------
                            Title: Managing Director

                         ISTITUTO BANCARIO SAN PAOLO DI
                         TORINO, S.P.A.,
                           as Selling Bank and in its individual capacity

                         By:/s/Instituto Bancario San Paolo Di Torino S.P.A.,
                            -------------------------------------------------
                         Title:

                         By:/s/Instituto Bancario San Paolo Di Torino S.P.A.,
                            -------------------------------------------------
                         Title:

<PAGE>   4
                                                                              4

                         THE CHASE MANHATTAN BANK

                         By:/s/Richard C. Smith
                            ------------------------------------
                            Title: Vice President

                         NATIONSBANK OF TEXAS, N.A.

                         By:
                            ------------------------------------
                            Title:

                         THE BANK OF NEW YORK

                         By:/s/Ken Sneider
                            ------------------------------------
                            Title: Vice President

                         BARCLAYS BANK PLC

                         By:
                            ------------------------------------
                            Title:

                         CREDIT LYONNAIS, NEW YORK BRANCH

                         By:
                            ------------------------------------
                            Title:

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                                                                              5

                         DEUTSCHE BANK AG, NEW YORK AND/OR
                         CAYMAN ISLANDS BRANCHES

                         By:/s/Andreas Neumeier
                            ------------------------------------
                            Title: Vice President

                         By:/s/Joel Makowsky
                            ------------------------------------
                            Title: Vice President

                         THE INDUSTRIAL BANK OF JAPAN, LIMITED

                         By:/s/J. Kenneth Biegen
                            ------------------------------------
                            Title: Senior Vice President and Treasurer

                         MELLON BANK N.A.

                         By:
                            ------------------------------------
                            Title:

                         THE SANWA BANK, LIMITED,
                         NEW YORK BRANCH

                         By:/s/The Sanwa Bank, Limited, New York Branch
                            --------------------------------------------
                            Title:

                         SOCIETE GENERALE

                         By:
                            ------------------------------------
                            Title:

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                                                                              6

                         THE SUMITOMO BANK LIMITED

                         By:
                            ------------------------------------
                            Title:

                         BANK OF MONTREAL

                         By:
                            ------------------------------------
                            Title:

                         THE BANK OF NOVA SCOTIA

                         By:/s/The Bank of Nova Scotia
                            ------------------------------------
                            Title:

                         BANQUE NATIONALE DE PARIS

                         By:/s/Richard L. Sted
                            ------------------------------------
                            Title: Senior Vice President

                         By:/s/Sophie Revillard Kaufman
                            ------------------------------------
                            Title: Vice President

                         PARIBAS

                         By:/s/John W. Kopcha
                            ------------------------------------
                            Title: Vice President

                         By:/s/Matthew C. Bishop
                            ------------------------------------
                            Title: Assistant Vice President

<PAGE>   7
                                                                              7

                         BAYERISCHE LANDESBANK
                         GIROZENTRALE CAYMAN
                         ISLANDS BRANCH

                         By:/s/Alexander Kohnert
                            ------------------------------------
                            Title: Vice President

                         By:/s/James H. Boyle
                            ------------------------------------
                            Title: Second Vice President

                         CIBC INC.

                         By:/s/William J. Damm
                            ------------------------------------
                            Title: Executive Director

                         CITICORP USA, INC.

                         By:/s/Citicorp USA, INC
                            ------------------------------------
                            Title:

                         FUJI BANK, LIMITED

                         By:
                            ------------------------------------
                            Title:

                         THE LONG-TERM CREDIT BANK OF JAPAN, LIMITED

                         By:/s/The Long-Term Credit Bank of Japan Limited
                            ---------------------------------------------
                            Title:

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                                                                              8

                         THE MITSUBISHI TRUST AND BANKING CORPORATION

                         By:/s/Scott J. Paige
                            ------------------------------------
                            Title: Senior Vice President

                         NATIONAL CITY BANK

                         By:
                            ------------------------------------
                            Title:

                         PNC BANK, NATIONAL ASSOCIATION

                         By:/s/Steffen W. Crowther
                            ------------------------------------
                            Title: Vice President

                         THE TOKAI BANK, LIMITED
                         NEW YORK BRANCH

                         By:/s/The Tokai Bank, Limited New York Branch
                            ------------------------------------
                            Title:

                         THE TOYO TRUST & BANKING CO., LTD.

                         By:/s/The Toyo Trust & Banking Co., Ltd.
                            ------------------------------------
                            Title:

                         YASUDA TRUST AND BANKING COMPANY, LIMITED

                         By:
                            ------------------------------------
                            Title:

<PAGE>   9
                                                                              9

                         CREDITO ITALIANO

                         By:/s/Credito Italiano
                            ------------------------------------
                            Title:

                         By:/s/Credito Italiano
                            ------------------------------------
                            Title:

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