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Aviation Dictionary
Obstacle Clearance Surface (OCS)
Definitions
An inclined or level surface associated with a defined area for obstruction evaluation.
References
Instrument Procedures Handbook
by Federal Aviation Administration (2017)
Terms Index
100-Hour Inspection
14 CFR
A.C.
A/FD
Abeam, Fix
Absolute accuracy
Absolute altitude
Absolute ceiling
Absolute pressure
Abstractions
Accelerate-go distance
Accelerate-stop distance
Accelerate-Stop Distance Available (ASDA)
Acceleration
Acceleration error
Accelerometer
Accessories
ADC
ADF
ADI
Adiabatic cooling
Adiabatic heating
Adjustable stabilizer
Adjustable-pitch propeller
ADM
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