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) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O INTERNATIONAL FUND SERVICES LIMITED, THIRD FL, BISHOP'S SQUARE REDMOND'S HILL		 3. Date of Earliest Transaction (Month/Day/Year)
04/09/2008
(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
Common Stock 04/09/2008   P   7,151,336 (6) A $ 10 11,806,968 (1) D  
Common Stock 04/09/2008   P   0 A $ 0 11,806,968 (2) I By Harbinger Capital Partners Master Fund I, Ltd.
Non-Voting Common Stock 04/09/2008   P   1,028,362 A $ 10 1,028,362 (1) D  
Non-Voting Common Stock 04/09/2008   P   0 A $ 0 1,028,362 (2) I By Harbinger Capital Partners Master Fund I, Ltd.
Common Stock               1,016,956 (3) I By Harbinger Capital Partners Fund I, L.P.
Non-Voting Common Stock               14,407,343 (3) I By Harbinger Capital Partners Fund I, L.P.
Common Stock 04/09/2008   P   2,630,371 (6) A $ 10 4,274,641 (4) D  
Common Stock 04/09/2008   P   0 A $ 0 4,274,641 (5) I By Harbinger Capital Partners Special Situations Fund, L.P.
Non-Voting Common Stock 04/09/2008   P   5,145,235 A $ 10 5,145,235 (4) D  
Non-Voting Common Stock 04/09/2008   P   0 A $ 0 5,145,235 (5) I By Harbinger Capital Partners Special Situations Fund, L.P.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 $ 10             01/07/2008 01/06/2018 Common Stock 0   6,096,026 (1) D  
Warrants $ 10             01/07/2008 01/06/2018 Common Stock 0   6,096,026 (2) I By Harbinger Capital Partners Master Fund I, Ltd.
Series 1-A Warrants $ 4.2 (7) 04/09/2008   P   175,975   06/04/1999 06/04/2009 Common Stock 489,534 $ 100,000 (8) 175,975 (1) D  
Series 1-A Warrants $ 4.2 (7) 04/09/2008   P   0   06/04/1999 06/04/2009 Common Stock 0 $ 0 175,975 (2) I By Harbinger Capital Partners Master Fund I, Ltd.
Series 2-A Warrants $ 7 04/09/2008   P   7,357,525   06/04/1999 06/04/2009 Common Stock 1,920,137 $ 100,000 (8) 7,357,525 (1) D  
Series 2-A Warrants $ 7 04/09/2008   P   0   06/04/1999 06/04/2009 Common Stock 0 $ 0 7,357,525 (2) I By Harbinger Capital Partners Master Fund I, Ltd.
Warrants $ 10             01/07/2008 01/06/2018 Common Stock 0   3,048,012 (4) D  
Warrants $ 10             01/07/2008 01/06/2018 Common Stock 0   3,048,012 (5) I By Harbinger Capital Partners Special Situations Fund, L.P.
Series 1-A Warrants $ 4.2 (7) 04/09/2008   P   58,658   06/04/1999 06/04/2009 Common Stock 163,177 $ 100,000 (8) 58,658 (4) D  
Series 1-A Warrants $ 4.2 (7) 04/09/2008   P   0   06/04/1999 06/04/2009 Common Stock 0 $ 0 58,658 (5) I By Harbinger Capital Partners Special Situations Fund, L.P.
Series 2-A Warrants $ 7 04/09/2008   P   2,452,508   06/04/1999 06/04/2009 Common Stock 640,045 $ 100,000 (8) 2,452,508 (4) D  
Series 2-A Warrants $ 7 04/09/2008   P   0   06/04/1999 06/04/2009 Common Stock 0 $ 0 2,452,508 (5) I By Harbinger Capital Partners Special Situations Fund, L.P.

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 HILL
DUBLIN, L2 00000		     X    
HARBINGER CAPITAL PARTNERS OFFSHORE MANAGER, L.L.C.
ONE RIVERCHASE PARKWAY SOUTH
BIRMINGHAM, AL 35244		     X    
HMC INVESTORS, L.L.C.
ONE RIVERCHASE PARKWAY SOUTH
BIRMINGHAM, AL 35244		     X    
HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P.
555 MADISON AVENUE
16TH FLOOR
NEW YORK, NY 10022		     X    
HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS GP, LLC
555 MADISON AVENUE
16TH FLOOR
NEW YORK, NY 10022		     X    
HMC - NEW YORK, INC.
555 MADISON AVENUE
16TH FLOOR
NEW YORK, NY 10022		     X    
HARBERT MANAGEMENT CORP
ONE RIVERCHASE PARKWAY SOUTH
BIRMINGHAM, AL 35244		     X    
FALCONE PHILIP
555 MADISON AVE
16TH FLOOR
NEW YORK, NY 10022		     X    
HARBERT RAYMOND J
ONE RIVERCHASE PARKWAY SOUTH
BIRMINGHAM, AL 35244		     X    
LUCE MICHAEL D
ONE RIVERCHASE PARKWAY SOUTH
BIRMINGHAM, AL 35244		     X    

Signatures

 Harbinger Capital Partners Master Fund I, Ltd., By: Harbinger Capital Partners Offshore Manager, L.L.C., By: HMC Investors, L.L.C., Managing Member, By: /s/ William R. Lucas, Jr.   04/11/2008
**Signature of Reporting Person Date
 Harbinger Capital Partners Offshore Manager, L.L.C., By: HMC Investors, L.L.C., Managing Member, By: /s/ William R. Lucas, Jr.   04/11/2008
**Signature of Reporting Person Date
 HMC Investors, L.L.C., By: /s/ William R. Lucas, Jr.   04/11/2008
**Signature of Reporting Person Date
 Harbinger Capital Partners Special Situations Fund, L.P., By: Harbinger Capital Partners Special Situations GP, LLC, By: HMC-New York, Inc., Managing Member, By: /s/ William R. Lucas, Jr.   04/11/2008
**Signature of Reporting Person Date
 Harbinger Capital Partners Special Situations GP, LLC, By: HMC-New York, Inc., Managing Member, By: /s/ William R. Lucas, Jr.   04/11/2008
**Signature of Reporting Person Date
 HMC-New York, Inc., By: /s/ William R. Lucas, Jr.   04/11/2008
**Signature of Reporting Person Date
 Harbert Management Corporation, By: /s/ William R. Lucas, Jr.   04/11/2008
**Signature of Reporting Person Date
 /s/ Philip Falcone   04/11/2008
**Signature of Reporting Person Date
 /s/ Raymond J. Harbert   04/11/2008
**Signature of Reporting Person Date
 /s/ Michael D. Luce   04/11/2008
**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) These securities are owned by Harbinger Capital Partners Master Fund I, Ltd. (the "Master Fund"), which is a Reporting Person.
(2) These securities may be deemed to be beneficially owned by Harbinger Capital Partners Offshore Manager, L.L.C. ("Harbinger Management"), the investment manager of the Master Fund, HMC Investors, L.L.C., its managing member ("HMC Investors"), Harbert Management Corporation ("HMC"), Philip Falcone, a shareholder of HMC and the portfolio manager of the Master Fund, Raymond J. Harbert, a shareholder of HMC, and Michael D. Luce, a shareholder of HMC. Each such Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
(3) These securities are owned by Harbinger Capital Partners Fund I, L.P. (the "Onshore Fund"). These securities may be deemed to be beneficially owned by Harbinger Capital Partners GP, LLC ("Harbinger Capital GP"), the general partner of the Onshore Fund, HMC-New York, Inc. ("HMCNY"), the managing member of Harbinger Capital GP, HMC, Philip Falcone, a shareholder of HMC and the portfolio manager of the Onshore Fund, Raymond J. Harbert, a shareholder of HMC, and Michael D. Luce, a shareholder of HMC. Each such Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
(4) These securities are owned by Harbinger Capital Partners Special Situations Fund, L.P. (the "Special Situations Fund"), which is a Reporting Person.
(5) These securities may be deemed to be beneficially owned by HMC, Philip Falcone, Raymond J. Harbert and Michael Luce. HMC wholly owns the managing member of the Special Situations Fund's general partner. Philip Falcone is the portfolio manager of the Special Situations Fund and is a shareholder of HMC. Raymond J. Harbert and Michael D. Luce are shareholders of HMC. Each such Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
(6) This amount does not include 442,825 shares held by the Master Fund and the Special Situations Fund that were placed in escrow and may only be transferred, delivered or registered in accordance with the Escrow Agreement and Securities Purchase Agreement (as defined and described in the Schedule 13D/A filed by the Reporting Persons on April 9, 2008).
(7) The exercise price of the Series 1-A Warrants reported above may vary and is subject to adjustment upon the occurrence of certain events as set forth in the warrant.
(8) The Series 1-A Warrants and Series 2-A Warrants were purchased by the Master Fund and the Special Situations Fund pursuant to the Securities Purchase Agreement for an aggregate price of $100,000.

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