Helicopter
Movement about the lateral axis in a helicopter is effected by movement of the
cyclic
The angle created between the chord line of the wing and the direction of the relative wind is called…?
angle of attack
Largest cable diameter of a primary flight control
3/8
ATA for Flight controls
2700
Three axis of airplane or ( Helicopter ) ?
Lateral
Longitudinal
Yaw
The function of the throttle is to regulate engine rpm. Which device controls RPM ?
Collective
The primary purpose of stall strips is to
stall inboard portion of the wing first.
What is the first step in rigging a flight control surface system?
establish a neutral position
These devices are used to guide cables or to change the cable’s direction of movement:
Pulleys
who can sign off an Annual Inspection
A&P Mechanic w IA (Inspector Authorization )
Helicopter Blade rotation VIEW from above is clock wise ....The torque direction VIEW from below is
Counter clock wise
Which system/ flight control is differential control associated?
ailerons
Excessive wear on both of the sides of a control cable pulley groove is evidence of
cable misalignment
An airplane is controlled directionally about its vertical axis by the
Rudder
The axis that extends crosswise from wing tip to wing tip is the…?
Lateral Axis
When a helicopter stalls, which way will the nose of the chopper tilt ?
Up or Upward
The purpose of spring tabs or servo tabs is to:
Assist the pilot in moving the control surfaces.
What is the smallest size cable that may be used in aircraft primary control systems?
1/8 "
which is bigger 26/64 or 7/16 ?
7/16
How do the move/position of ailerons when the control stick/Yoke is moved left?
the left aileron moves up
right aileron moves down
One purpose of the clutch provided between the engine and the helicopter transmission is
to
automatically disengage the rotor from the engine in case of an engine failure
What does Differential Control in reference to the aileron system means hint : ( travel distance )
the up travel is more than the down travel
If control cables are adjusted properly and the control surfaces tend to vibrate, the
probable cause is
worn attach fittings ( hinges ,bearings )
An aircraft in flight is acted upon by four forces ..what are they ?
Lift Weight Thrust Drag
an Annual Inspection is performed July 16,2024 , when does the next Annual Inspection need to be completed by ?
July 31, 2025 ...Full credit
July 30,2025...Half Credit