Soviet Space ProgramSoyuz1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1)
Launched
April 5, 1975 · 11:04 UTC
Summary
Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1) launched on a Soviet Space Program Soyuz from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on April 5, 1975 at 11:04 UTC. The mission failed. It was Soviet Space Program's 906th launch, 20th this year and humanity's 1,677th orbital launch attempt. It was the 29th Soyuz flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). 2 crew members flew: Vasily Lazarev and Oleg Grigoryevich Makarov. The spacecraft was Soyuz 7K-T No.39 (Soyuz 7K-T 11F615A8 #39).
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Human Exploration · Low Earth Orbit (LEO)
- Milestone
- 29th Soyuz flight · 2nd this yearSoviet Space Program's 906th launch20th this yearhumanity's 1,677th orbital launch attempt26th orbital launch attempt this year
Crew
Vasily LazarevCommander · RFSA · age 47 · 2nd flight
Oleg Grigoryevich MakarovFlight Engineer · RFSA · age 42 · 2nd flight
Spacecraft
Soyuz 7K-T No.39 (Soyuz 7K-T 11F615A8 #39)
Soyuz 7K-T No.39 was a Soyuz spacecraft which launched on 5 April 1975 11:04 UTC. It intended to transport two cosmonauts to Salyut 4, but an anomoly caused launch escape system to fire at T+295 seconds. The crew was Vasily Lazarev and Oleg Makarov.
- Destination: Salyut 4
- Mission length: under an hour
The spacecraft and its crew were saved from a launch vehicle failure by the Soyuz abort program.
Flight preview
About this launch
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.
Pad
1/5, Baikonur Cosmodrome, Republic of Kazakhstan
147th launch from 1/5, 2nd this year · 422nd from Baikonur Cosmodrome, Republic of Kazakhstan
Local pad time at liftoff: Apr 5, 4:04 PM GMT+5, in daylight
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
84 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1) launch?
Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1) launched on April 5, 1975 at 11:04 UTC.
Where can I watch Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1)?
No webcast is on record for this launch.
What rocket launched Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1)?
Soyuz, flown by Soviet Space Program. Soyuz spec sheet
Where did Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1) launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan. Liftoff was Apr 5, 4:04 PM GMT+5 local time at the pad.
What orbit was Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1) going to?
Low Earth Orbit (LEO), a human exploration mission.
Which program is Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1) part of?
Salyut and Soyuz. About Salyut