FMS Flashcards
The FMC receives inputs from many sources. Which of the following inputs are used?
- ADIRU and GPS
- VOR/DMEand ILS receivers
- airplane systems
With only one FMC available, the system is capable of calculating data accurately.
Yes
The FMCs are completely independent and do not transfer or compare information between each unit.
FLASE
When both FMCs are operating normally, each unit independently calculates its navigational position.
True
The two control display units (CDU) allow pilots to input data only to their respective FMCs if the RNP value exceeds the ANP value.
False
Which of the following is not used by the FMCs to determine position?
ADF
With the loss of all radio navigational inputs to the FMC and GPS data is not available, how will it determine its position?
IRS inputs only.
With multiple sources available, will the FMC use a combination or a single source to determine its actual position?
Combo
The FMCs select a combination of inputs from radio navigation receivers to determine the position estimate. Which input has the highest weighted priority?
GPS
During a VNAV PATH descent, the FMC will calculate a descent path based on _____.
altitude constraints, airspeed, and end of descent point
During a derated takeoff, a further reduction by an assumed temperature can be taken.
Yes
The STA switch on the Displays Control Panel will display all ____ on the nav display.
high and low altitude navaids if the range is selected to 40 miles or less
The DATA optional display switch on the Displays Control Panel will display on the map _____.
waypoint ETA and constraint altitude
The IDENT page is accessed from the ____.
INIT/REF page, INDEX page, IDENT prompt, or at ground power-up.
Initial position can be entered on the POS INIT page by which of the following?
- GPS position
- Reference airport, with or without specific gate
- Manually entered lat/long
The PERF Performance Initialization (PERF INIT) page provides the means to enter aircraft weight, temperature, and wind parameters. What are the minimum parameters that must be input for the FMC to operate?
All boxed prompts
The selected approach REF speed cannot be updated as aircraft weight changes.
False
On the approach/reference (APP/REF) page, current gross weight can be manually entered.
True
In addition to the approach reference speed displayed on the APP/REF page, which additional information is displayed?
- Runway length in feet
- Approach freq, ident, and course
When multiple waypoints or navaids with the same identifier are in the database, the FMC will automatically display all waypoints.
True
Which page is used to display SIDs and STARs?
ARR/DEP
If the entered route does not form a continuous path of linked legs, a _____ will be displayed.
route discontinuity
When the final load closeout is received, the pilot must check that the _____ has been entered on the PERF page for FMC calculation.
ZFW
Thrust limits for takeoff, climb, cruise, and go-around must be selected manually.
False