| 2004-06-18 | WQAK302 | GB | C | MOTIENT COMMUNICATIONS |
| 2004-04-19 | WQML723 | YX | C | Motient Communications, Inc. |
| 2004-04-19 | WQML724 | YX | C | Motient Communications, Inc. |
| 2004-04-19 | WQML722 | YX | C | Motient Communications, Inc. |
| 2004-04-19 | WQML725 | YX | C | Motient Communications, Inc. |
| 2004-04-19 | WQML721 | GX | C | Motient Communications, Inc. |
| 2004-04-07 | WPZY297 | GB | C | MOTIENT COMMUNICATIONS |
| 2004-04-07 | WPZY312 | GB | C | MOTIENT COMMUNICATIONS |
| 2004-04-07 | WPZY309 | GB | C | MOTIENT COMMUNICATIONS |
| 2004-04-07 | WPZY307 | GB | C | MOTIENT COMMUNICATIONS |
| 2004-04-07 | WPZY320 | GB | C | MOTIENT COMMUNICATIONS |
| 2004-04-07 | WPZY308 | GB | C | MOTIENT COMMUNICATIONS |
| 2003-01-09 | WPWR530 | GX | C | MOTIENT COMMUNICATIONS |
| 2002-12-31 | WPWP580 | GB | C | MOTIENT COMMUNICATIONS |
| 2002-07-29 | WPVP787 | GB | C | MOTIENT COMMUNICATIONS |
| 2002-07-29 | WPVP786 | GB | C | MOTIENT COMMUNICATIONS |
| 2002-07-25 | WPKX231 | GB | C | Motient Communications Inc. |
| 2002-04-25 | WPUS836 | GX | C | MOTIENT COMMUNICATIONS |
| 2002-04-25 | WPUS825 | GX | C | MOTIENT COMMUNICATIONS |
| 2002-04-04 | WPKT402 | GB | C | Motient Communications Inc. |
| 2002-03-13 | WPUI717 | GB | C | Motient Communications, Inc., Debtor-in Possession |
| 2002-01-09 | WPKE664 | GB | C | Motient Communications Inc. |
| 2002-01-09 | WPKK502 | GB | C | Motient Communications Inc. |
| 2001-12-11 | WPTT284 | GX | C | Motient Communications Inc. |
| 2001-12-11 | WPTT280 | GX | C | Motient Communications Inc. |
| 2001-12-11 | WPTT279 | GX | C | Motient Communications Inc. |
| 2001-11-14 | WPTP296 | GX | C | Motient Communications Inc. |
| 2001-11-14 | WPTP297 | GX | C | Motient Communications Inc. |
| 2001-11-13 | WPTN884 | GX | C | Motient Communications Inc. |
| 2001-11-13 | WPTN892 | GB | T | Motient Communications Inc. |
| 2001-11-06 | WPTN326 | GX | C | Motient Communications Inc. |
| 2001-11-06 | WPTN324 | GX | C | Motient Communications Inc. |
| 2001-11-02 | WPTM894 | GB | C | Motient Communications Inc. |
| 2001-10-26 | WPTL679 | GB | C | Motient Communications Inc. |
| 2001-10-24 | WPTL391 | GB | C | Motient Communications Inc. |
| 2001-10-23 | WPTK961 | GB | C | Motient Communications Inc. |
| 2001-10-23 | WPTL249 | GB | C | Motient Communications Inc. |
| 2001-10-23 | WPTK916 | GB | C | Motient Communications Inc. |
| 2001-10-23 | WPTK963 | GB | C | Motient Communications Inc. |
| 2001-10-23 | WPTL252 | GB | C | Motient Communications Inc. |
| 2001-10-22 | WPTK786 | GB | C | Motient Communications Inc. |
| 2001-10-22 | WPTK801 | GB | C | Motient Communications Inc. |
| 2001-10-22 | WPTK685 | GB | C | Motient Communications Inc. |
| 2001-10-22 | WPTK692 | GB | C | Motient Communications Inc. |
| 2001-10-22 | WPTK697 | GB | C | MOTIENT COMMUNICATIONS |
| 2001-10-17 | WPJT290 | GB | C | Motient Communications Inc. |
| 2001-10-11 | WPTI975 | GX | C | Motient Communications Inc. |
| 2001-09-11 | WPTE471 | GX | C | Motient Communications Inc. |
| 2001-09-07 | WPTE230 | GB | C | Motient Communications Inc. |
| 2001-09-07 | WPTE229 | GB | C | Motient Communications Inc. |
| 2001-08-29 | WPTC682 | GB | C | Motient Communications Inc. |
| 2001-08-29 | WPTC683 | GB | C | Motient Communications Inc. |
| 2001-08-27 | WPTB952 | GB | C | Motient Communications Inc. |
| 2001-08-27 | WPTB947 | GB | C | Motient Communications Inc. |
| 2001-08-27 | WPTB968 | GB | C | Motient Communications Inc. |
| 2001-08-27 | WPTB950 | GB | C | Motient Communications Inc. |
| 2001-08-27 | WPTB953 | GB | C | Motient Communications Inc. |
| 2001-08-27 | WPTB949 | GB | C | Motient Communications Inc. |
| 2001-08-27 | WPTB954 | GB | C | Motient Communications Inc. |
| 2001-07-12 | WPSQ644 | GB | C | Motient Communications Inc. |
| 2001-07-12 | WPSQ643 | GB | C | Motient Communications Inc. |
| 2001-07-12 | WPSQ640 | GB | C | Motient Communications Inc. |
| 2001-06-21 | WPSM703 | GB | C | Motient Communications Inc. |
| 2001-06-21 | WPSM701 | GB | C | Motient Communications Inc. |
| 2001-06-21 | WPSM651 | GB | C | Motient Communications Inc. |
| 2001-06-21 | WPSM659 | GB | C | Motient Communications Inc. |
| 2001-06-21 | WPSM715 | GB | C | Motient Communications Inc. |
| 2001-06-07 | WPSL265 | GB | C | Motient Communications Inc. |
| 2001-05-17 | WPSJ350 | GX | C | Motient Communications Inc. |
| 2001-05-17 | WPSJ342 | GX | C | Motient Communications Inc. |
| 2001-05-16 | WPSI984 | GB | C | Motient Communications Inc. |
| 2001-05-14 | WPSI918 | GB | C | Motient Communications Inc. |
| 2001-05-14 | WPSI927 | GB | C | Motient Communications Inc. |
| 2001-05-14 | WPSI894 | GB | C | Motient Communications Inc. |
| 2001-05-14 | WPSI923 | GB | C | Motient Communications Inc. |
| 2001-05-14 | WPSI921 | GB | C | Motient Communications Inc. |
| 2001-05-14 | WPSI928 | GB | C | Motient Communications Inc. |
| 2001-05-01 | WPSH763 | GB | C | Motient Communications Inc. |
| 2001-05-01 | WPSH760 | GB | C | Motient Communications Inc. |
| 2001-04-21 | WNGT763 | GB | C | Motient Communications Inc. |
| 2001-04-11 | WPSF983 | GX | C | Motient Communications Inc. |
| 2001-04-02 | WPSE954 | GB | C | Motient Communications Inc. |
| 2001-04-02 | WPSE976 | GB | C | Motient Communications Inc. |
| 2001-04-02 | WPSE982 | GB | C | Motient Communications Inc. |
| 2001-04-02 | WPSE952 | GB | C | Motient Communications Inc. |
| 2001-04-02 | WPSE970 | GB | C | Motient Communications Inc. |
| 2001-03-30 | WPSE863 | GB | C | Motient Communications Inc. |
| 2001-03-30 | WPSE857 | GB | C | Motient Communications Inc. |
| 2001-03-29 | WPSE804 | GX | C | Motient Communications Inc. |
| 2001-03-27 | WPIR742 | GX | C | Motient Communications Inc. |
| 2001-03-26 | WPSE255 | GB | C | Motient Communications Inc. |
| 2001-03-26 | WPSE251 | GB | C | Motient Communications Inc. |
| 2001-03-26 | WPSE258 | GB | C | Motient Communications Inc. |
| 2001-03-22 | WPSD770 | GB | C | Motient Communications Inc. |
| 2001-03-16 | KNNV791 | GB | C | Motient Communications Inc. |
| 2001-03-07 | WPRX236 | GX | C | Motient Communications Inc. |
| 2001-01-30 | WPCA867 | GX | C | Motient Communications Inc. |
| 2001-01-22 | WPIZ374 | GB | C | Motient Communications Inc. |
| 2001-01-13 | WNFW596 | GB | C | Motient Communications Inc. |
| 2001-01-06 | WNBN523 | GB | C | Motient Communications Inc. |