Manned orbital launches in 1991
Launches:
| Date | Site | Rocket | Mission | Crew | Outcome |
|---|---|---|---|---|---|
| 1991-04-05 | Cape Canaveral | Space Shuttle | STS-37 - Atlantis F8 / CGRO (Compton) | 5 | success |
| 1991-04-28 | Cape Canaveral | Space Shuttle | STS-39 - Discovery F12 / IBSS-SPAS / CRO A / CRO B / CRO C | 7 | success |
| 1991-05-18 | Baikonur | Soyuz-U2 11A511U2 | Soyuz TM-12 | 3 | success |
| 1991-06-05 | Cape Canaveral | Space Shuttle | STS-40 - Columbia F11 | 7 | success |
| 1991-08-02 | Cape Canaveral | Space Shuttle | STS-43 - Atlantis F9 / TDRS 5 [IUS] | 5 | success |
| 1991-09-12 | Cape Canaveral | Space Shuttle | STS-48 - Discovery F13 / UARS | 5 | success |
| 1991-10-02 | Baikonur | Soyuz-U2 11A511U2 | Soyuz TM-13 | 3 | success |
| 1991-11-24 | Cape Canaveral | Space Shuttle | STS-44 - Atlantis F10 / DSP 16 (USA 75) [IUS] | 6 | success |
IMU failure. 10-day flight cut to less than 7 days. | |||||