Trajectory & orbital insertion
Ascent path is a representation — true ascent telemetry isn’t public.
Provider
National Aeronautics and Space Administration
Provider type
Government
Orbit
Sub
Mission type
Test Flight
Launch site
United States of America
Date
Tue, 25 Apr 1961 16:15:00 GMT
Go probability
0%
Failure
Pitch and roll sequence failed to initiate.
Mission
Uncrewed test flight of the Mercury program. The launch proceeded normally until about T+20 seconds when the pitch and roll sequence failed to initiate and the vehicle instead just continued flying straight upward, requiring early termination of the flight.