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SIFT ARMY AVIATION INFORMATION PRACTICE TEST

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  • September 17, 2024
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  • 2024/2025
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  • SIFT ARMY AVIATION INFORMATION
  • SIFT ARMY AVIATION INFORMATION
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SIFT ARMY AVIATION INFORMATION
PRACTICE TEST 2024-2025

A helicopter is - ANSWER A type of rotorcraft

Helicopter turbine engines produce ___________ thrust per pound than piston
engines - ANSWER More

The four main forces working on a helicopter are - ANSWER Lift, weight,
thrust, drag

Helicopters typically have between ___ and ___ main rotor blades - ANSWER
2 and 6

Depending on the type of helicopter, main rotor system components can include
- ANSWER A stabilizer bar, upper/lower swashplates, counterweights, pitch
horns, teeter/coning hinges, blade grips, pitch/scissor links, control rods

The function of the flybar is - ANSWER To decrease crosswind thrust on the
blades and enhance flight stability by keeping the bar stable as the rotor spins

Many helicopters have a horizontal stabilizer located _____ - ANSWER On the
tail boom

The purpose of the tail rotor is: - ANSWER To produce an anti-torque force
acting perpendicular to the helicopter's longitudinal axis.

Wheels on _____ types of helicopters are _____ - ANSWER Some, retractable

A pilot controls a helicopter using: - ANSWER Pedals, a collective, throttle,
cyclic

From a physics perspective, the _____ force is deemed to act through a
helicopter's _____ - ANSWER Total weight, center of gravity

When a pilot banks a helicopter, causing it to turn, _____ - ANSWER The
machine's weight increases

In the case of helicopters, lift is produced by _____ moving through the air at a
speed sufficient to create - ANSWER Airfoils, a pressure differential

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