Soyuz T-1
| Mission type | Test flight | 
|---|---|
| COSPAR ID | 1979-103A | 
| SATCAT no. | 11640 | 
| Mission duration | 3 months and 9 days | 
| Spacecraft properties | |
| Spacecraft type | Soyuz-T | 
| Manufacturer | NPO Energia | 
| Launch mass | 6,450 kilograms (14,220 lb) | 
| Start of mission | |
| Launch date | 16 December 1979, 12:30 UTC | 
| Rocket | Soyuz-U | 
| Launch site | Baikonur 1/5 | 
| End of mission | |
| Landing date | 25 March 1980, 21:47 UTC | 
| Orbital parameters | |
| Reference system | Geocentric | 
| Regime | Low Earth | 
| Docking with Salyut 6 | |
Soyuz T-1 (Russian: Союз Т-1, also called Soyuz T) was a 1979-80 uncrewed Soviet space flight, a test flight of a new Soyuz craft which docked with the orbiting Salyut 6 space station.