SIFT ARMY AVIATION SECTION
EXAM 2024-2025
What part of a rotary-wing aircraft makes directional control possible? -
ANSWER The Swashplate
Which of these US Army Helicopters is classified as tandem rotor? - ANSWER
CH-47
What is the preferred method of ground movement for helicopters on airports? -
ANSWER Air Taxi
Which war became known as the helicopter war? - ANSWER Vietnam War
What type of helicopter design uses a ducted fan in place of a tail rotor to cancel
torque effect? - ANSWER NOTAR
Which aerodynamic force(s) must a rotary-wing aircraft balance in order to
hover? - ANSWER Weight,lift,thrust,drag
How would a high-density altitude affect the performance of a helicopter? -
ANSWER Performance would be decreased due to low value of the air density.
If the airspeed indicator needle is on the yellow and approaching the red line
during a maneuver, what would be the correct response? - ANSWER Decrease
Airspeed
Which pitot-static instrument makes use of both pitot and static pressure? -
ANSWER Airspeed indicator
What effect does the cyclic control have on the rotor system? - ANSWER It
alters the pitch of the main rotor blades individually and cyclically.
The angle of attack (AOA) is the angle between the - ANSWER airfoil chord
line and the resultant relative wind.
EXAM 2024-2025
What part of a rotary-wing aircraft makes directional control possible? -
ANSWER The Swashplate
Which of these US Army Helicopters is classified as tandem rotor? - ANSWER
CH-47
What is the preferred method of ground movement for helicopters on airports? -
ANSWER Air Taxi
Which war became known as the helicopter war? - ANSWER Vietnam War
What type of helicopter design uses a ducted fan in place of a tail rotor to cancel
torque effect? - ANSWER NOTAR
Which aerodynamic force(s) must a rotary-wing aircraft balance in order to
hover? - ANSWER Weight,lift,thrust,drag
How would a high-density altitude affect the performance of a helicopter? -
ANSWER Performance would be decreased due to low value of the air density.
If the airspeed indicator needle is on the yellow and approaching the red line
during a maneuver, what would be the correct response? - ANSWER Decrease
Airspeed
Which pitot-static instrument makes use of both pitot and static pressure? -
ANSWER Airspeed indicator
What effect does the cyclic control have on the rotor system? - ANSWER It
alters the pitch of the main rotor blades individually and cyclically.
The angle of attack (AOA) is the angle between the - ANSWER airfoil chord
line and the resultant relative wind.
