Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
HARBINGER CAPITAL PARTNERS MASTER FUND I, LTD.
  2. Issuer Name and Ticker or Trading Symbol
SKYTERRA COMMUNICATIONS INC [SKYT]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
Director, Chairman and CEO
(Last)
(First)
(Middle)
C/O INTERNATIONAL FUND SERVICES LIMITED, THIRD FL, BISHOP'S SQUARE, REDMOND'S HIL
3. Date of Earliest Transaction (Month/Day/Year)
03/29/2010
(Street)

DUBLIN, L2 00000
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Voting Common Stock, $0.01 par value per share 03/29/2010   J(1)   23,042,077 A $ 5 0 D (3) (5) (6)  
Non-Voting Common Stock, $0.01 par value per share 03/29/2010   J(2)   22,105,400 A $ 5 0 D (3) (5) (6)  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Warrants $ 0.01 03/29/2010   J(4)   0 (4)   04/01/2009 01/07/2014 Voting Common Stock 21,250,000 (4) 0 D (5) (6)  
Warrants $ 10 03/29/2010   J(4)   0 (4)   01/07/2008 01/06/2018 Voting Common Stock 9,144,038 (4) 0 D (5) (6)  
Warrants $ 0.01 03/29/2010   J(4)   0 (4)   01/07/2009 01/07/2014 Voting Common Stock 7,500,000 (4) 0 D (5) (6)  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
HARBINGER CAPITAL PARTNERS MASTER FUND I, LTD.
C/O INTERNATIONAL FUND SERVICES LIMITED
THIRD FL, BISHOP'S SQUARE, REDMOND'S HIL
DUBLIN, L2 00000
    X   Director, Chairman and CEO
HARBINGER CAPITAL PARTNERS LLC
450 PARK AVENUE, 30TH FLOOR
NEW YORK, NY 10022
    X    
HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P.
450 PARK AVENUE, 30TH FLOOR
NEW YORK, NY 10022
    X   Form filed by More than One Re
HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS GP, LLC
450 PARK AVENUE, 30TH FLOOR
NEW YORK, NY 10022
    X   Director, Chairman and CEO  
HARBINGER HOLDINGS, LLC
450 PARK AVENUE, 30TH FLOOR
NEW YORK, NY 10022
    X    
FALCONE PHILIP
450 PARK AVENUE, 30TH FLOOR
NEW YORK, NY 10022
    X    

Signatures

 /s/ Philip Falcone, Managing Member, HARBINGER CAPITAL PARTNERS MASTER FUND I, LTD, BY: HARBINGER CAPITAL PARTNERS LLC, BY: HARBINGER HOLDINGS, LLC   03/31/2010
**Signature of Reporting Person Date

 /s/ Philip Falcone, Managing Member, HARBINGER CAPITAL PARTNERS LLC, BY: HARBINGER HOLDINGS, LLC   03/31/2010
**Signature of Reporting Person Date

 /s/ Philip Falcone, Managing Member, HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P., BY: HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS GP, LLC, BY: HARBINGER HOLDINGS LLC   03/31/2010
**Signature of Reporting Person Date

 /s/ Philip Falcone, Managing Member, HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS GP, LLC, BY: HARBINGER HOLDINGS, LLC   03/31/2010
**Signature of Reporting Person Date

 /s/ Philip Falacone, Managing Member, HARBINGER HOLDINGS, LLC   03/31/2010
**Signature of Reporting Person Date

 /s/ Philip Falcone/ PHILIP FALCONE   03/31/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Pursuant to the effectiveness of a merger which was consummated on March 29, 2010, in which Harbinger Capital Partners Master Fund I, Ltd. (the "Master Fund") and Harbinger Capital Partner's Special Situations Fund, L.P. (the "Special Fund"), together with Sol Private Corp., an indirect wholly-owned subsidiary of the Master Fund and the Special Fund (the "Merger Sub"), acquired the Issuer through a merger of the Merger Sub with and into the Issuer (the "Merger"), all shares of the Issuer's Common Stock, par value $0.01 per share ("Common Stock") not previously held by the Master Fund and Special Fund were converted into a right to receive $5.00 in cash, subsequently cancelled and ceased to exist.
(2) Pursuant to the Merger, all shares of the Issuer's Non-Voting Common Stock, par value $0.01 per share ("Non-Voting Common Stock") not previously held by the Master Fund and Special Fund were converted into a right to receive $5.00 in cash, subsequently cancelled and ceased to exist.
(3) Pursuant to the Merger, the Common Stock and Non-Voting Common Stock, including Common Stock and Non-Voting Common Stock held in escrow prior to the Merger, previously held by the Master Fund and Special Fund and deemed to be indirectly beneficially owned by (i) Harbinger Capital Partners LLC ("Harbinger LLC") which serves as the investment manager and investment advisor to the Master Fund; (ii) Harbinger Capital Partners Special Situations GP, LLC ("HCPSS") which serves as the general partner to the Special Fund; (iii) Harbinger Holdings LLC ("Harbinger Holdings") which serves as the manager to Harbinger LLC and the managing member of HCPSS; and (iv) Philip Falcone ("Mr. Falcone") who serves as the managing member of Harbinger Holdings and the portfolio manager of the Master Fund and Special Fund, was cancelled and ceased to exist.
(4) Pursuant to the Merger, all warrants exercisable into either the Issuer's Common Stock and Non-Voting Common Stock previously held by the Master Fund and Special Fund were cancelled and ceased to exist.
(5) Based upon information provided by the Issuer in its recently-filed quarterly report on Form 10-K, there were 49,062,853 Common Stock, which included 1,603,960 shares of restricted stock held by certain officers and directors of the Issuer, and 59,958,499 Non-Voting Common Stock outstanding as of February 22, 2010.
(6) Pursuant to the Merger, in which the outstanding Common Stock and Non-Voting Common Stock of the Issuer was cancelled, the Reporting Persons are no longer deemed to be a beneficial owner of any Common Stock and Non-Voting Common Stock for purposes of Rule 16a-1(a)(1) under the Securities Exchange Act of 1934 (the "Exchange Act").

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