flown missionFailure

Soyuz | Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1)

Soviet Space Program1/5 — Baikonur Cosmodrome, Republic of Kazakhstan

Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.

mission

Name
Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1)
Type
Human Exploration
Target orbit
Low Earth Orbit (LEO)

Soyuz 7K-T No.39, also known as Soyuz 18a or Soyuz 18-1, was intended to be the next crewed mission to the Salyut-4 space station. The mission launched on April 5, 1975, 11:04:54 UTC, but due to a failure of the Soyuz launch vehicle during ascent it was aborted. Safety system initiated separation of the spacecraft, and the crew of commander Vasili Lazarev and flight engineer Oleg Makarov experienced overloads of up to 21.3 g. The capsule landed safely at 11:26:21 UTC, followed by a successful rescue of the crew members.

schedule

NET (no earlier than)
Window opens
Window closes
Last updated

vehicle & provider

Rocket
Soyuz
Family
Soyuz
Provider
Soviet Space Program
Type
Government
Country
RUS

launch site

Pad
1/5
Location
Baikonur Cosmodrome, Republic of Kazakhstan
Country
KAZ
Timezone
Asia/Qyzylorda
Coordinates
45.9200, 63.3420