Mission Profile for Vostok Flight, April 12, 1961
Final stage shutdown,
orbit insertion at 676 seconds
Begin orientation for retro burn at
8000 km from landing site
at 9:51 MT
Retro burn and instrument
module seperation at 10:25 MT
begin reentry at 10:35 MT
Jettison core stage,
final stage ignition
at 300 seconds
Jettison hatch at 7,000 meters
cosmonaut ejects 2 seconds
later at 10:55 MT
Jettison hatch at 4,000 meters
and deploy braking chute
Jettison shroud at
156 seconds
Separates strap-on
stages at 119 seconds
Deploy main chute
Cosmonaut separates
at 2,500 meters from seat at 4,000 meters
Launch from Baikonur
Kosmodrome at Leninsk
at 9:07 MT
Cosmonaut lands in Saratov region at 11:05 MT
Takeoff
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Reentry