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flying qualities
aircraft on ground is supported in this attitude. Note:
flight attitude varies with airspeed.
flying qualities Loosely, stability and control as
perceived by the pilot; documented in MIL-1797, previously
MIL-F-8785C (US).
flying rigging Distributes loads into balloon from flying
cable.
flying roundup Event, usually annual, at which passengers,
usually handicapped children, are given flights, often
in vintage transports (US).
flying saucer Popular, descriptive, name of the most
common species of UFO.
flying shears Rotary system for cutting long web of sheet
metal or other material moving at high speed.
flying speed 1 Loosely, minimum airspeed at which
aeroplane can maintain level flight (preferably, positive
climb) in specified configuration.
2 Another definition: speed reached on takeoff at which
pilot has full control [but only for climbing straight
ahead]. In modern terms V 2 .
flying spot Rapidly moving spot of light, usually generated
by CRT, used to scan surface containing visual
information.
flying stovepipe Ramjet (colloq.).
flying-tab control See servo tab, Flettner.
flying tail Use of whole horizontal tail as primary
control surface.
flying testbed Aircraft or other vehicle used to carry new
engine or other device for purpose of flight testing.
flying the ball 1 Loosely, flying IFR, from traditional
turn/slip indicator.
2 Correctly flown VFR carrier approach using mirror
sight.
flying the needle Navigating along airways by VOR.
flying time See flight time.
flying weight See flight weight (engine).
flying wing Aeroplane consisting almost solely of wing,
reflecting idealised concept of pure aerodynamic body
providing lift but virtually devoid of drag-producing
excrescences.
flying wires Diagonal cables/wires placed under tension
in 1g flight and used to join lower anchor (low on fuselage
or within biplane cellule) to higher anchor further
outboard on wing; also known as lift wires.
fly-off 1 Competitive in-flight demonstration of performance
and other qualities between two or more rival
aircraft built to same requirement to determine which will
be chosen for procurement.
2 Without hyphen, to take off from a ship, esp. by free
takeoff.
fly-over noise Noise made by aircraft over particular
point, usually near airport on inbound/outbound track,
chosen for noise measurements. Approach/takeoff noise.
flyover reference location A point chosen for measurement
of flyover noise.
fly space Simulated volume of sky, especially above a
terrain board.
FM 1 Frequency modulation or modulated; instantaneous
frequency of EM carrier wave is varied by
amount proportional to instantaneous frequency of
modulating (intelligence-carrying) signal, amplitude and
modulated power remaining constant.
2 Frequency measurement.
3 Fan marker.
4 Flight manual.
5 Facilities management.
6 Figure of merit.
7 Fissile material.
8 From.
9 Fighter, multiplace (USAAC 1936–41).
f M Mode frequency [FCS airspeed].
f m Modulating frequency.
FMA 1 Flight-mode annunciator or annunciation.
2 Fleet Management, or Manager, agreement.
3 Final monitor aid.
4 Federacion Mexicana de Aeronáutica.
FM/AM 1 Amplitude modulation of carrier by
frequency-modulated subcarrier(s).
2 Alternate FM and AM operation.
F max 1 Maximum thrust.
2 Peak thrust of rocket engine.
FMC 1 Flight management computer [F adds function,
DL data-link, S system, U unit).
2 Fully mission-capable (USAF).
3 Forward motion compensator, or compensation.
4 Fatigue-monitoring computer.
FMCS FMC (1) or (4) system.
FMCT Fissile-Material[s] Cutoff Treaty (repeatedly
postponed).
FMCW Frequency-modulated continuous [rarely,
carrier] wave.
FMD Flight management display.
FMDA Federation Mexicana de los Deportes Aeros
(Mexico DF).
FME Failure modes and effects [A adds analysis, CA
criticality analysis, S summary, TA task analysis], all selfexplanatory
tools for risk assessment.
FMEA See previous.
FMEP Friction mean effective pressure, torque
measured on calibrated brake.
FMF 1 Foreign military financing.
2 Flight-management function.
FMG Flight management guidance (C adds computer,
EC envelope computer, S system).
FMGC Flight management and guidance control
(system).
FMGEC See FMG.
FMI Functional management inspection.
FMICW FM (1) intermittent [or interrupted] continuous
wave.
FMK 1 Flyvematerielkommandoen (Denmark).
2 Field modification kit.
FML Frequency memory-loop.
FM marker Fan marker, transmits fan-shaped pattern
of coded identity signals upwards, usually across one leg
of radio range station.
FMMWRA Forward-looking MMW radar altimeter.
FM-9 Fuel modifier No 9, which with a carrier fluid
forms Avgard.
FMOC Flight Maneuver Operations Center (NASA).
FMOF First manned orbital flight.
FMOP Frequency modulation on pulse.
FMP
1 Full [or flight] mode panel.
2 Flow management position.
3 Foreign military program.
FMPG
4 Fleet management program[me].
FMPG Flow Management Planning Group (ICAO).
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