INMARSAT 2-F1 R/B
| Launched | 29 October 1990 |
| Flight ended | 20 May 1991 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20920 |
| COSPAR ID | 1990-093C |
| Alternative names |
PAM-D |
| Observing |