Exhibit 23.1


CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors and Stockholders of SkyTerra Communications, Inc.:

     We consent to incorporation by reference in the registration statements
Nos. 33-85634, 33-89124, 333-76957 and 333-49290 on Form S-8 of our reports
dated March 31, 2005 with respect to the consolidated balance sheets of
SkyTerra Communications, Inc. and subsidiaries as of December 31, 2004 and
2003, and the related consolidated statements of operations, changes in
stockholders' equity (deficit), and cash flows for each of the years in the
three-year period ended December 31, 2004, and the related financial statement
schedule, which reports appear in the December 31, 2004 annual report on Form
10-K of SkyTerra Communications, Inc.


/s/ KPMG LLP

New York, New York
March 31, 2005