词汇与结构The FMS constantly ________ the various sensors and determines a single aircraft position and accuracy.
A. multiple-checks
B. double-checks
C. crosschecks
D. triple-checks
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词汇与结构________ provides roll steering command to the autopilot and VNAV provides speed/altitude targets to the autopilot.
A. LNAV
B. VNAV
C. NAV
D. RNAV
词汇与结构Each contains a gyro rotor driven by air or electricity and each makes use of the gyroscopic _____to display the attitude of the aircraft.
A. principals
B. principles
C. positions
D. process
词汇与结构The primary trait of a rotating gyro rotor is _____ in space, or gyroscopic inertia.
A. rigidity
B. stability
C. capability
D. maneuverability
词汇与结构The heading indicator and attitude indicator use gyros as an unchanging_____ in space.
A. reserve
B. redundancy
C. aid
D. reference