SIFT Army Aviation Information Questions and Answers

Question 1

Which of the following U.S. Army helicopter designations correctly identifies an attack helicopter?

Accepted Answer

AH-64

Answer

CH-47

Answer

UH-60

Answer

OH-58

Question 2

A pilot is flying a single-rotor helicopter in forward flight. The phenomenon where the advancing rotor blade generates more lift than the retreating blade is known as:

Accepted Answer

Dissymmetry of Lift

Answer

Translational Lift

Answer

Autorotation

Answer

Coriolis Effect

Question 3

In the event of a complete engine failure in a helicopter, the procedure that allows a pilot to safely land the aircraft by using the upward flow of air to keep the main rotor spinning is called:

Accepted Answer

Autorotation

Answer

Flaring

Answer

Gliding

Answer

Collective Pitch Dump

Question 4

A pilot flying at 14,000 feet without supplemental oxygen begins to experience a sense of euphoria, impaired judgment, and drowsiness. What aeromedical condition is the pilot most likely experiencing?

Accepted Answer

Hypoxic Hypoxia

Answer

Hypemic Hypoxia

Answer

Stagnant Hypoxia

Answer

Histotoxic Hypoxia

Question 5

Which primary flight control in a helicopter is used to change the pitch of the main rotor blades collectively, or all at the same time, causing the aircraft to increase or decrease its altitude?

Accepted Answer

Collective

Answer

Cyclic

Answer

Anti-torque pedals

Answer

Throttle

Question 6

During a pre-flight inspection of a UH-60 Black Hawk, a crew chief notices that the main rotor blades can flap and lead/lag. This design feature is essential to compensate for which aerodynamic principle in forward flight?

Accepted Answer

Dissymmetry of Lift

Answer

Translational Thrust

Answer

Ground Effect

Answer

Effective Translational Lift

Which of the following U.S.Army helicopter designations correctly identifies an attack helicopter?

Which of the following U.S.
Army helicopter designations correctly identifies an attack helicopter?