Soyuz 7K-L1 No.4L, sometimes identified by NASA as Zond 1967A, was a Soviet spacecraft which was launched in 1967 as part of the Zond programme. It was a 5,390-kilogram (11,880 lb) Soyuz 7K-L1 spacecraft, the first of nine to be launched. It was intended to perform a circumlunar flyby of the Moon before returning to the Earth for landing, however it failed to achieve orbit.
Soyuz 7K-L1 No.4L was launched at 22:11:54 UTC on 27 September 1967 atop a Proton-K 8K78K carrier rocket with a Blok D upper stage, flying from Site 81/23 at the Baikonur Cosmodrome. During first stage flight one of the rocket's six engines failed, which caused the rocket to deviate from its planned trajectory sixty seven seconds into the flight. The spacecraft separated from the rocket by means of the SAS launch escape system, and came down between 50 and 60 kilometres (31 and 37 mi) downrange. It was collected by a Mil Mi-6helicopter and returned to Baikonur. Prior to the release of information about its mission, NASA correctly identified that it had been a test of a spacecraft intended for manned Lunar flights, however they were unsure whether it was intended to reach the Moon itself.
Payloads are separated by bullets ( · ), launches by pipes ( | ). Manned flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in brackets.
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