EXHIBIT 32.2


           CERTIFICATION PURSUANT TO 8 U.S.C. SECTION 1350, AS ADOPTED
            PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


         In connection with the quarterly report of Motient Corporation, a
Delaware corporation (the "COMPANY"), on Form 10-Q for the period ending March
31, 2005, as filed with the Securities and Exchange Commission on the date
hereof (the "REPORT"), I, Myrna J. Newman, Controller and Chief Accounting
Officer of the Company, certify, in my capacity as principal financial officer,
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that, to my knowledge and based on my review of the
Report:

         1.       the Report fully complies with the requirements of Section
                  13(a) or 15(d) of the Securities Exchange Act of 1934; and

         2.       the information contained in the Report fairly presents, in
                  all material respects, the financial condition and result of
                  operations of the Company.


                                         /s/ Myrna J. Newman
                                         ---------------------------------------
                                         Controller and Chief Accounting Officer
                                         (principal financial officer)

                                         May 10, 2005