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

The Human Exploration flight Soyuz | Soyuz 7K-T No.39 (Soyuz 18a / Soyuz 18-1) departed Baikonur Cosmodrome, Republic of Kazakhstan atop a Soyuz, bound for LEO.

Launch time
Status
FAILED
Operator
Soviet Space Program
Mission type
Human Exploration
Rocket
Soyuz
Launch site
Baikonur Cosmodrome, Republic of Kazakhstan
Launch pad
1/5
Payload
—
Target orbit
LEO

Mission timeline

  1. 1975-04-05T11:04:54.000Z
    Liftoff
    Liftoff confirmed — Soyuz is airborne.
  2. Max-Q
    Max Q — Soyuz endures peak structural stress during ascent.
  3. Mission failure
    Vehicle loss reported during flight.

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