Flight Instruments Flashcards
What directly provides inertial position and track data to the associated FMC?
Air Data Inertial Reference System (ADIRS)
What are the standby flight instruments?
-Magnetic Compass
-Altitude
-Airspeed
-Attitude
-Radio Magnetic Indicator (RMI)
-Integrated Standby Flight Display (ISFD)
If both Captain and FO pitot tubes are inoperative, how is airspeed provided?
Standby Airspeed Indicator - receives ram air pressure from the auxiliary pitot probe and static pressure from the alternate static ports.
Can the Integrated Standby Flight Display operate separate from the electrical system?
Yes backup battery provides power for 150 minutes.
Failure flags are used to display system failures on which displays?
PFD, MFD, ISFD
Which panel controls the location of the PFD, ND, and Engine Instrument displays?
Display Select Panel
If the outboard display fails, is automatic switching available? If so, where is the PFD displayed?
Yes, Automatically displayed on the inboard display unit.
What indicates the maximum operating speed.
The bottom of the black and Red barber pole.
What are Flap Maneuvering Speeds and how are they calculated
Maneuvering speed for the displayed flap position. Provides full maneuver capability up to 40 degrees of bank to stick shaker.
How are maneuver speeds indicated? What is the significance of maneuver speeds?
Top of the lower amber band, the bottom of the upper amber band on airspeed tape.
Provides a safe margin for maneuvering in turbulence or with flaps extended and for low and high speed buffet margins.
With dual FMC failures, how are airspeeds set for takeoff and landing?
Speeds are set on the SPD REF Selector Knob
Flight path angle is available on the PFD through the use of what? How is it toggled on/off?
Through the ADIRU
On the EFIS Control Panel by momentarily pressing the FPV switch.
What are Pitch Limit Indicators, and when do they populate?
Indicates the pitch limit for stick shaker activation for existing flight conditions.
Displayed when: flaps are extended or, airspeed approaches stick shaker activation.
What parameters cause the Expanded Localizer Scale to populate?
Displayed when the:
-autopilot or flight director is in LOC
-deviation is slightly more than one-half dot and track is within 5 degrees of the MCP selected course.
What does pushing STD on the EFIS control panel do?
Gives you 29.92
What is indicated by the Landing Altitude Indication (amber crosshatching) on the PFD?
Indicates FMC landing altitude for destination runway or airport, or landing altitude for departure airport until 400nm from departure or one-half the distance to destination.
What is the difference in the CDS lights on the PFD and when would you see them.
CDS MAINT (white) - fault that is dispatchable
CDS FAULT (amber) - fault that is non dispatchable.
On the ground only, prior to start of the second engine.
What causes the airspeed (IAS Disagree) alert and where is it populated?
Captain and F/Os airspeed disagree by more than 5 knots for 5 continuous seconds.
Shown on both PFDs on the speed tape.
What causes the altitude (ALT DISAGREE), and where is it annunciated?
Captain and F/Os altitude indications disagree by more than 200 ft for more than 5 continuous seconds.
Shown on both PFDs on the Altitude tape.
What causes the AOA DISAGREE alert and where is it populated?
Left and Right AOA values disagree by more than 10 degrees for more than 10 continuous seconds.
Shown on both PFDs right next to the Altitude tape.
Using the Vertical Situation Display (VSD), how would you know if you will achieve target speed within a certain distance?
By using the Range to Target Speed Dot (RTSD)
On the VSD, altitude gates are provided at what altitude on an approach path?
1000’ and 500’ Above field elevation.
The Center Switch on the EFIS control Panel must be in which mode for the VSD to display?
MAP
A vertical (amber) bar extending up from the top of the Minimum Speed Bar indicates what on the PFD?
Minimum Maneuvering (Vmvr) Speed
How is the HGS controlled on the MAX?
Through the MCDU
