Shared Flashcard Set

Details

747 Flight Instruments
updated 12/7/13
16
Aviation
Professional
11/04/2012

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Cards

Term
How many knots, in height, is the command speed pointer on the PFD?
Definition
5 knots
Term
What minimum maneuver capability is provided at the top of the amber bar on the PFD airspeed display?
Definition
1.3g at 40° of bank in level flight
Term
What occurs at the minimum speed display (red) on the PFD?
Definition
Stick shaker or low speed buffet
Term
When is the Pitch Limit Indication (PLI) displayed?
Definition
Flaps are not up
Term
When is radio altitude displayed on the PFD?
Definition
Below 2,500' AGL
Term
Where are the marker beacon annunciations displayed?
Definition
Upper right corner of the PFD
Term
How do the glideslope and localizer pointers on the PFD indicate excessive glideslope or localizer deviation?
Definition
Scales turn amber and pointers flash
Term
FIX
How do you know when you are 1/3 of a dot deviation from the localizer?
Definition
The localizer pointer is just touching the rectangle during expanded localizer deviation scale
Term
How can you control your displays if the EFIS control panel fails?
Definition
Through the related CDU
Term
What systems failure would result in the NAV Source Selector positioned to CDU L (captain’s panel), and CDU R (F/O’s panel)?
Definition
Dual FMC failure (alternate navigation)
Term
Which source selector switch determines which localizer and glideslope receivers provide information to the respective PFD and ND?
Definition
EIU source selector
Term
What does the acronym EIU mean?
Definition
EFIS/EICAS Interface Unit
Term
Which IRS source provides autobrakes reference?
Definition
IRU selected by the Captain
Term
What source selector switch would you likely move in the event of an ALT or SPD flag in view on the PFD?
Definition
Air Data source selector
Term
The pitot static system provides pitot and static pressure to which aircraft systems and/or components?
Definition
Air data computers
Standby airspeed indicator and standby altimeter
Elevator feel computer
Term
Explain the course of air through the pitot static system as it enters the pitot and static tubes and ports all the way through to the displays
Definition
Air flows through the pitot tubes and static ports, to the Air Data Computers, to the EIUs, which provide displays of altitude, airspeed, mach, and air temperature
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