Navigation Flashcards
The space segment of GPS is made up of 24 NAVSTAR satellites. These satellites
In a 10,900 mile high orbit
Have 12 hour orbits
Spaced to provide a minimum of four satellites in view at all times
All of the above
All of the above
A minimum of ____ satellites is required for two-dimensional calculations and ____ satellites for three-dimensional.
1,2
2,4
3,4
4,4
3,4
The FMS uses a combination of ____________________________ signals to accurately determine the aircraft’s present position.
Correct answer:
DME
NDB
TACAN Azmuth
VOR
GPS
DME
VOR
GPS
FMS is the interface between the GPS and the EICAS.
TRUE
FALSE
false
The FMS contains a performance database that stores engine and airframe performance characteristics of the aircraft. The FMS uses this data to accurately predict__________________.
Wind speeds
Fuel burns
Crossing altitude restrictions
Maximum enroute altitudes
Fuel burns
Crossing altitude restrictions
Maximum enroute altitudes
Operations for entering data into the FMS are done through the use of a scratchpad system.
true
false
true
Prompts appear on data lines as:
Xs
Asterisks
Dashes
Small square boxes
Small square boxes
Dashes indicate that the data to be entered is _____ for FMS operation.
mandatory
optional
Optional
RAIM is used to assure that the GPS solution meets the required accuracy.
true
false
true
A _______________ message displayed on the FMS means that the expected position accuracy error is more than the RMP value.
POS ACCURACY
LVP TERM
CHK POS
EXCESS RNP
CHK POS
The available modes of vertical navigation available on the FMS are:
Correct answer:
Advisory
Approach
Augmented
Coupled
Advisory
Coupled
When the aircraft is within ____ nm of the destination, the displays, autopilot and localizer receiver are all automatically preset and tuned by the FMS
25
43
31
48
31
