Little Joe 5A

Little Joe 5A
Little Joe 5A
Mission insignia
Mercury insignia.jpg
Mission statistics
Mission name Little Joe 5A
Spacecraft mass 1,141 kilograms (2,520 lb)
Crew size 0
Call sign LJ-5A
Launch date March 18, 1961
Wallops Island
Landing March 18, 1961
Mission duration 5 min 25 s
Number of orbits suborbital
Apogee 7.7 miles (12.4 km)
Distance traveled 18 miles (29 km)
Maximum velocity 1,783 miles per hour (2,869 km/h)
Peak acceleration 78 m/s² (8 g)
Related missions
Previous mission Subsequent mission
Mercury insignia.jpg MA-2 Mercury insignia.jpg MR-BD
Little Joe 5A being prepared for launch, Wallops Is., VA. (NASA)

Little Joe 5A was an unmanned Launch Escape System test of the Mercury spacecraft, conducted as part of the U.S. Mercury program. The mission used production Mercury spacecraft # 14 atop a Little Joe booster rocket. The mission was launched March 18, 1961, from Wallops Island, Virginia. The Little Joe 5A flew to an apogee of 7.7 miles (12 km) and a range of 18 miles (29 km). The mission lasted 5 minutes 25 seconds. Maximum speed was 1,783 miles per hour (2,869 km/h) and acceleration was 8 G (78 m/s²). Although Mercury spacecraft # 14 was recovered, the mission was considered a partial success because the capsule escape rocket fired without the capsule, as in the previous Little Joe 5 mission. The failure led to the subsequent Little Joe 5B mission.[1]

Mercury spacecraft # 14 used in the Little Joe 5A mission, is currently displayed at the Virginia Air and Space Center, Hampton, Virginia.[2]

References


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