Edgar Filing: SKYTERRA COMMUNICATIONS INC

Ownership Submission

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF 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 ^*

Â COLUMBIA CAPITAL III LLC

2. Date of Event Requiring Statement (Month/Day/Year)
09/25/2006

3. Issuer Name and Ticker or Trading Symbol
SKYTERRA COMMUNICATIONS INC [SKYT.OB]

(Last)

(First)

(Middle)

201 NORTH UNION STREET, SUITE 300

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

_____ Director	__X__ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

5. If Amendment, Date Original Filed(Month/Day/Year)

(Street)

ALEXANDRIA,Â VAÂ 22314

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 Beneficially Owned

1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, $.01 par value per share	5,552,665	I	See Footnote ⁽¹⁾ ⁽²⁾

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
COLUMBIA CAPITAL III LLC 201 NORTH UNION STREET, SUITE 300 ALEXANDRIA,Â VAÂ 22314	Â	Â X	Â	Â
COLUMBIA CAPITAL EQUITY PARTNERS III QP LP 201 NORTH UNION STREET, SUITE 300 ALEXANDRIA,Â VAÂ 22314	Â	Â X	Â	Â
COLUMBIA CAPITAL EQUITY PARTNERS III CAYMAN LP 201 NORTH UNION STREET, SUITE 300 ALEXANDRIA,Â VAÂ 22314	Â	Â	Â	(1) (2)
COLUMBIA CAPITAL EQUITY PARTNERS III AI LP 201 NORTH UNION STREET, SUITE 300 ALEXANDRIA,Â VAÂ 22314	Â	Â	Â	(1) (2)
Columbia Capital Investors III, L.L.C. 201 NORTH UNION STREET, SUITE 300 ALEXANDRIA,Â VAÂ 22314	Â	Â	Â	(1) (2)
Columbia Capital Employee Investors III, L.L.C. 201 NORTH UNION STREET, SUITE 300 ALEXANDRIA,Â VAÂ 22314	Â	Â	Â	(1) (2)
COLUMBIA CAPITAL EQUITY PARTNERS III LP 201 NORTH UNION STREET, SUITE 300 ALEXANDRIA,Â VAÂ 22314	Â	Â X	Â	Â

Signatures

/s/ Donald A. Doering, as CFO of Columbia Capital III, LLC		10/04/2006
^**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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 shares are directly held by the following entities: Columbia Capital Equity Partners III (QP), L.P., a Delaware limited partnership (?CCIII (QP)?); Columbia Capital Equity Partners III (Cayman), L.P., a Cayman Islands exempted limited partnership (?Cayman III?); Columbia Capital Equity Partners III (AI), L.P., a Delaware limited partnership (?CCIII (AI)?); Columbia Capital Investors III, LLC, a Delaware limited liability company (?Investors III?); and Columbia Capital Employee Investors III, LLC, a Delaware limited liability company (?Employee Investors?).
(2)	The general partner of CCIII (QP) and CCIII (AI) is Columbia Capital Equity Partners III, L.P., a Delaware limited partnership (?CCIII L.P.?). The general partner of Cayman III is Columbia Capital Equity Partners (Cayman) III, Ltd. CCIII LP is the sole stockholder of Columbia Capital Equity Partners (Cayman) III, Ltd. CCIII LP is also the managing member of Investors III and Employee Investors. The general partner of CCIII LP is Columbia Capital III, LLC, a Delaware limited liability company (?Capital LLC?). CCIII LP and Capital LLC are indirect beneficial owners of the reported securities.

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