SV - Flight Controls Flashcards
At radio altitudes less than _________do not deploy the speed brakes in flight.
1,000 ft
Full power control to the ailerons is provided by _____________ hydraulic system.
Either
If you have a total hydraulic power failure, rotation of the controls wheels _________ positions the ailerons.
mechanically
If you have a jammed spoiler system, force applied to the _____ control wheel provides roll control from the
ailerons.
Captain’s
If you have a jammed aileron system, force applied to the _____ control wheel provides roll control from the
spoilers.
First Officer’s
If the autopilot is engaged, any ______ trim applied can result in an out of trim condition and an abrupt
________ movement when the autopilot is disconnected.
aileron; rolling
When the control wheel is displaced more than approximately ____, spoiler deflection is initiated and the flight spoilers rise on the wing with the up aileron and remain faired on the wing with the down aileron.
10 degrees
On the 737, __________ Aileron Trim Switch(es) repositions the aileron neutral control position.
Movement of both
Looking at the pitch control surfaces, these consist of _______ powered elevators and an _______ powered stabilizer.
hydraulically; electrically
If you have a control column jam, an override mechanism allows ___________.
the control columns to be physically separated
If the FEEL DIFF PRESS light Illuminates, this indicates _______.
excessive differential hydraulic pressure is sensed in the elevator feel computer
On the 737, engagement and disengagement of the Mach Trim System is accomplished _____________.
automatically as a function of airspeed
What has occurred when the MACH TRIM FAIL light is illuminated only when the Master Caution Annunciator
recall is activated?
a single channel failure of the mach trim system
The Elevator Feel Shift module increases hydraulic system A pressure to the elevator feel and centering unit during a stall. This increases the _________ force to approximately double the normal feel pressure.
forward control column
There are two modes on the main electric and autopilot stabilizer trim: high speed with flaps _________ and low speed with flaps _________.
extended; retracted
Actuating either pair of stabilizer trim switches ______________, if the autopilot is engaged.
automatically disengages the autopilot
With the stabilizer trim outside the takeoff trim range ___________ if takeoff is attempted.
An intermittent horn sounds
_______________ may be used to return the stabilizer to electrical trim units if manual trim is used to
position the stabilizer beyond the electrical trim limits.
the stabilizer trim switches
The stabilizer trim main electric cutout switch and the stabilizer trim autopilot cutout switch are provided to
allow the autopilot or main electrical trim inputs to be ____________________.
disconnected from the single stabilizer trim motor
When control column movement opposes the trim direction, what will occur?
The control column actuated stabilizer trim cutout switches stop operation of the main electric and
autopilot trim
Switching the STAB TRIM override switch to OVERRIDE ____________.
electric trim can be used regardless of control column position
The speed trim system (STS) is a speed stability augmentation system designed to improve the flight
characteristics during any operation with a low gross weight, aft center of gravity, and high thrust when the
autopilot _______ engaged.
is not
___________ operates the rudder system.
Either hydraulic system
B737-800, the yaw damper uses the _____________.
hydraulic system B or standby hydraulic system pressure