Glossary
Familiarization
GLOSSARY
A
AGL: Above ground level. Normally used when referring to an altitude above field level.
AOA: Angle of attack.
AOB: Angle of bank.
B
Ball: Indication of the glideslope as displayed by the Fresnel lens.
Break: Steep AOB decelerating turn from overhead the runway to establish the landing configuration
downwind.
Buffeting: Vibration of the airframe as it approaches and is in a stalled condition.
C
Carrier Box: Rectangular painted area just short of the Fresnel lens on the left half of the runway that
represents an aircraft carrier’s landing area.
D
Downwind: Direction opposite to the heading of the active runway in the landing pattern. Also a position
beyond the approach end of the runway toward the initial.
Downwind Entry: Entry into the VFR landing pattern directly into the downwind leg.
F
Final Checker: Ground crew personnel who make a final inspection of the aircraft for proper takeoff
configuration and basic airworthiness.
FL: Flight level. Altitudes above 18,000 ft MSL are identified as flight levels, e.g., FL350 = about 35,000 ft
MSL.
FPM: Feet per minute. Normally referred to as a rate of climb or descent, e.g., 500-fpm rate of descent.
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