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[i]The original plan for this phase was to conduct five flights; however, the program was restructured upon completion of the captive-inert flights. Flight 2 was deleted by adding the test requirements to those of flight 1. A flight was added to precede flight 1 with test conditions below the hardware structural limit speed envelope because of concern that a hardover orbiter control surface was possible. This flight was designated flight 1A. Flights 4 and 5 were to be flown only if there were problems on prior flights that warranted additional flights.[/i]
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T O P I C R E V I E Wheng44Ground crews prepare to help astronauts Fred Haise and Gordon Fullerton exit the Enterprise after the first captive-active flight in the Approach and Landing Test series on June 18, 1977.LM-12The first captive-active flight was designated Flight 1A. It is explained in the ALT final report: The original plan for this phase was to conduct five flights; however, the program was restructured upon completion of the captive-inert flights. Flight 2 was deleted by adding the test requirements to those of flight 1. A flight was added to precede flight 1 with test conditions below the hardware structural limit speed envelope because of concern that a hardover orbiter control surface was possible. This flight was designated flight 1A. Flights 4 and 5 were to be flown only if there were problems on prior flights that warranted additional flights.
Ground crews prepare to help astronauts Fred Haise and Gordon Fullerton exit the Enterprise after the first captive-active flight in the Approach and Landing Test series on June 18, 1977.
The original plan for this phase was to conduct five flights; however, the program was restructured upon completion of the captive-inert flights. Flight 2 was deleted by adding the test requirements to those of flight 1. A flight was added to precede flight 1 with test conditions below the hardware structural limit speed envelope because of concern that a hardover orbiter control surface was possible. This flight was designated flight 1A. Flights 4 and 5 were to be flown only if there were problems on prior flights that warranted additional flights.
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