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The Shuttle Training Aircraft was a NASA training vehicle that duplicated the Space Shuttle's approach profile and handling qualities, allowing Space Shuttle pilots to simulate Shuttle landings under controlled conditions before attempting the task on board the orbiter.

C-11A Shuttle Training Aircraft
Gulfstream II Shuttle Training Aircraft.jpg
Role Advanced trainer
Manufacturer Grumman
Retired 2012
Status Retired
Primary user NASA
Number built 4
Developed from Grumman Gulfstream II
Variants Grumman C-11

The Shuttle Training Aircraft (STA) was a NASA training vehicle that duplicated the Space Shuttle's approach profile and handling qualities, allowing Space Shuttle pilots to simulate Shuttle landings under controlled conditions before attempting the task on board the orbiter.