Atlas LV-3B — mission imagery
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Failure

Mercury-Atlas 3

Atlas LV-3BNational Aeronautics and Space AdministrationSpace Launch Complex 14
Tuesday, April 25, 1961 · 04:15 PM UTC

This mission is complete.

Mission Brief

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.

PayloadMercury-Atlas 3
OrbitSuborbital
CustomerMercury
Stages2
PadSpace Launch Complex 14, Cape Canaveral SFS, FL, USA
WeatherNo formal weather concerns published, temperature not reported

Mission Timeline

14 / 14100%

Ground vector

Launch site

Site locked

Space Launch Complex 14

Cape Canaveral SFS, FL, USA

Global range
SITE LOCK
Latitude
28.491°N
Longitude
80.547°W

Range Weather

Launch commit criteria

0%
GO
ConstrainedNo active constraints
Weather Rules

No formal weather rule concerns published.

Primary concern
None published
Rule count
0
Temperature
Not reported
Surface wind
Not reported
Window

04:15 PM UTC - 04:15 PM UTC

Vehicle

Atlas LV-3B

Profile →
Height59.7 m
LEO Payload18,850 kg
Launches147
Successes122

Provider

National Aeronautics and Space Administration

Profile →

USA • Founded 1958

Schedule History

No meaningful launch-time or status changes recorded.