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Intelsat 4 F6

Rocket launch

by USA

Launch time20 Feb 197523:35 UTC

failure

Orbit: GTO

Serial number: AC-33

Improper separation of a lanyard during booster jettison reset the missile programmer and caused loss of control. RSO T+403 seconds.

Rocket AtlasCentaur SLV-3D

launched from Cape Canaveral, LC-36AUSA

Payloads

NamePurposeMassComment
Intelsat 4 F6Comsat--