Soviet Space ProgramProton / UR-500 K/D81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
Soyuz 7K-L1 No.4L
Launched
September 27, 1967
Summary
Soyuz 7K-L1 No.4L launched on a Soviet Space Program Proton / UR-500 K/D from 81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan on September 27, 1967. The mission failed. It was Soviet Space Program's 268th launch, 53rd this year and humanity's 753rd orbital launch attempt. It was the 3rd Proton / UR-500 K/D flight. The payload was bound for Lunar flyby (Lunar flyby). The spacecraft was Soyuz 7K-L1 No.4 (Soyuz 7K-L1 #4).
- Watch
- No webcast on record.
- Vehicle
- Proton / UR-500 K/D · Soviet Space ProgramSoyuz
- Booster
- No booster details on record.
- Mission
- Test Flight · Lunar flyby (Lunar flyby)
- Milestone
- 3rd Proton / UR-500 K/D flightSoviet Space Program's 268th launch53rd this yearhumanity's 753rd orbital launch attempt105th orbital launch attempt this year
Spacecraft
Soyuz 7K-L1 No.4 (Soyuz 7K-L1 #4)
The Soyuz 7K-L1 "Zond" spacecraft was designed to launch men from the Earth to circle the Moon without going into lunar orbit in the context of the Soviet crewed Moon-flyby program in the Moon race. It was based on the Soyuz 7K-OK.
- Destination: Circumlunar flyby
- Mission length: under an hour
The Soyuz 7K-L1 spacecraft safely landed after its launch escape system was triggered due to a first stage failure.
Flight preview
About this launch
Soyuz 7K-L1 No.4L was an uncrewed Zond spacecraft intended to fly around the Moon and return as a rehearsal for a crewed circumlunar mission. One of the Proton's first-stage engines failed about a minute after liftoff and the escape system pulled the capsule clear.
Pad

81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
7th launch from 81/23 (81L), 3rd this year · 193rd from Baikonur Cosmodrome, Republic of Kazakhstan
104 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
172 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Soyuz 7K-L1 No.4L launch?
Soyuz 7K-L1 No.4L launched on September 27, 1967. The time is known to the hour, not the minute.
Where can I watch Soyuz 7K-L1 No.4L?
No webcast is on record for this launch.
What rocket launched Soyuz 7K-L1 No.4L?
Proton / UR-500 K/D, flown by Soviet Space Program. Proton / UR-500 K/D spec sheet
Where did Soyuz 7K-L1 No.4L launch from?
81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit was Soyuz 7K-L1 No.4L going to?
Lunar flyby (Lunar flyby), a test flight mission.
Which program is Soyuz 7K-L1 No.4L part of?
Soyuz. About Soyuz
![[AUTO] Proton - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fproton_image_20231231095535.jpg&w=1600)