Name: Avdeyev, Sergei Country: Russia M/F: M Number of Flights: 3

Space Flights Launch Date - Flight Up Landing Date - Flight Down
1. Soyuz TM-15 July 27, 1992 - Soyuz TM-15 February 1, 1993 - Soyuz TM-15
2. Soyuz TM-22 September 3, 1995 - Soyuz TM-22 February 29, 1996 - Soyuz TM-22
3. Soyuz TM-28 August 13, 1998 - Soyuz TM-28 August 28, 1999 - Soyuz TM-29

Space Flights Descriptions
Soyuz TM-12
(2nd Backup Crew)
Mir Main Expedition EO-09 Crew
Soyuz TM-13A
(Cancelled)
Original Backup Crew assigned to Soyuz TM-13
Sergei Avdeyev was replaced by a Kazakh researcher in the final crew.
Soyuz TM-14A
(Cancelled)
Original Prime Crew assigned to Soyuz TM-14
Soyuz TM-13 and Soyuz TM-14 crews were reshuffled extensively due to commercial bookings by Austria and Germany and the necessity of flying a Kazakh-born cosmonaut as part of the Baikonur rental agreement.
Soyuz TM-14
(Backup Crew)
Mir Main Expedition EO-11 Crew
1. Soyuz TM-15 Mir Main Expedition EO-12 Crew
Docked with Mir from July 29, 1992 to February 1, 1993
Soyuz TM-20
(Backup Crew)
Mir Main Expedition EO-17 Crew
2. Soyuz TM-22 Mir Main Expedition EO-20 Crew
Docked with Mir from September 5, 1995 to February 29, 1996
Soyuz TM-26
(Backup Crew)
Mir Main Expedition EO-24 Crew
3. Soyuz TM-28 Mir Main Expedition EO-26/EO-27 Crew
Docked with Mir on August 15, 1998 aboard Soyuz TM-28
Returned to Earth on August 28, 1999 aboard Soyuz TM-29

Spacewalks - 10
Space Flights Date & Duration Purpose
Soyuz TM-15 September 3, 1992 Prepare worksite for VDU thruster package installation atop Sofora truss
3 hours 56 minutes
Soyuz TM-15 September 7, 1992 Install VDU thruster package atop Sofora truss
5 hours 8 minutes
Soyuz TM-15 September 11, 1992 Install VDU thruster package atop Sofora truss
5 hours 44 minutes
Soyuz TM-15 September 15, 1992 Retrieve space exposure samples. Move Kurs unit on Kristall
3 hours 33 minutes

Soyuz TM-22 October 20, 1995 Perform first European Space Agency (ESA) spacewalk. Install experiments on Spektr
5 hours 11 minutes
Soyuz TM-22 December 8, 1995 Transfer docking cone to receive Priroda module
37 minutes

Soyuz TM-28 September 15, 1998 Reconnect cables for solar array steering mechanism in Spektr module
30 minutes
Soyuz TM-28 November 10, 1998 Install meteoroid detector. Hand-launch Spoutnik-41 amateur-radio mini-satellite
5 hours 56 minutes
Soyuz TM-29 July 23, 1999 Install new experimental 6-meter antenna
6 hours 7 minutes
Soyuz TM-29 July 28, 1999 Install new experimental 6-meter antenna
5 hours 22 minutes

Return to Master List Russian Cosmonauts Three Spaceflights Spacewalkers
Mir Program - 1992 / 1998 Shuttle-Mir Program - 1995 / Backup Crew

Updated - March 14, 2005