AAC Study Guide 2026

TM 1-1520-series technical manuals provide aircraft-specific maintenance, inspection, and airworthiness requirements for each Army aircraft type.

Checklists are vital tools that accompany maintenance procedures to ensure all steps are followed systematically and no critical tasks are overlooked. They enhance safety, standardize work, and improve the quality and consistency of maintenance operations by providing a clear, verifiable sequence of actions.

AR 70-62 (Airworthiness Qualification and Certification of US Army Aircraft) governs the airworthiness certification program.

The pitch control mechanism, often involving the swashplate and associated linkages, is specifically designed to adjust the angle of attack (pitch) of helicopter rotor blades. This adjustment is crucial for generating lift, controlling thrust, and maneuvering the aircraft in flight.

In an Army helicopter, the generator is the primary component responsible for generating electrical power while the engine is running. It converts mechanical energy from the engine into electrical energy to operate the aircraft's various electrical systems, including avionics, lighting, and other onboard equipment. While batteries provide power for starting and emergencies, the generator sustains the electrical load during flight.

The aircraft must be properly grounded before connecting any electrical ground support equipment to prevent electrostatic discharge damage.