US Army Technical Manual, MAINTENANCE TEST FLIGHT MANUAL, ARMY MODEL, AH-1S HELICOPTER, TM 1-1520-244-MTF, 1992

US Army Technical Manual, MAINTENANCE TEST FLIGHT MANUAL, ARMY MODEL, AH-1S HELICOPTER, TM 1-1520-244-MTF, 1992

Purpose. The purpose of this manual is to provide complete
instructions for performing a maintenance test flight of the AH-1S
aircraft.

Definitions.
a. Maintenance Test Flight. A functional test flight for which the
primary purpose is to determine whether the airframe, powerplant,
accessories and other equipment are functioning in accordance with
predetermined requirements while subjected to the intended
environment.