Engineering:Soyuz TM-25

Short description: 1997 Russian crewed spaceflight to Mir

Soyuz TM-25

Operator	Rosaviakosmos
COSPAR ID	1997-003A
Mission duration	184 days, 22 hours, 7 minutes, 40 seconds
Orbits completed	~2,950
Spacecraft properties
Spacecraft type	Soyuz-TM
Manufacturer	RKK Energia
Launch mass	7,150 kilograms (15,760 lb)
Crew
Crew size	3 up 2 down
Members	Vasili Tsibliyev Aleksandr Lazutkin
Launching	Reinhold Ewald
Callsign	Си́риус (Sirius)
Start of mission
Launch date	February 10, 1997, 14:09:30 (1997-02-10UTC14:09:30Z) UTC
Rocket	Soyuz-U
End of mission
Landing date	August 14, 1997, 12:17:10 (1997-08-14UTC12:17:11Z) UTC
Landing site	170 kilometres (110 mi) SE of Dzhezkazgan
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	378 kilometres (235 mi)
Apogee altitude	394 kilometres (245 mi)
Inclination	51.56 degrees
Docking with Mir
Soyuz programme (Crewed missions)

Soyuz TM-25 was a crewed Soyuz spaceflight, which launched on February 10, 1997. It transported Russian cosmonauts Vasily Tsibliyev, Aleksandr Lazutkin, and German cosmonaut Reinhold Ewald to Mir.

Crew

Position	Launching crew	Landing crew
Commander	Vasili Tsibliyev Second and last spaceflight
Flight Engineer	Aleksandr Lazutkin Only spaceflight
Research Cosmonaut	Reinhold Ewald Only spaceflight	None

Mission highlights

This was the 30th expedition to Mir. An ESA astronaut from Germany was included on the mission.

Soyuz TM-25 is a Russian spacecraft that was launched to carry astronauts and supplies to Mir station. It was launched by a Soyuz-U rocket from Baykonur cosmodrome at 14:09 UT to ferry three cosmonauts for a 162-day stay at the station; it docked with the station at 15:51 UT on 12 February 97. Within meters of automatic approach to the station, a slight misalignment was noted, and the commander of the module had to dock it by manual steering.