. "Advanced trainer"@en . "Grumman C-11"@en . . . "4"^^ . . . . "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."@en . "Retired"@en . . . . . . . . "Shuttle Training Aircraft"@en . "2012"^^ . . . "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."@en . .