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mountain breeze
mountain breeze Cold wind flowing down mountainside
[night/winter].
mountain wave Powerful air mass immediately downstream
of transverse mountain range, rotating about
horizontal axis. There can be a succession of such waves.
Arguably = rotor (3).
mounted vertical manoeuver US warfighting doctrine
calling for aerial delivery of vehicle and equipment loads up
to 20 t (40,000 lb) hundreds of kilometres behind battlefront,
giving theatre commander ability to place mobile
combat power anywhere in battlespace.
mounting 1 Vague term acceptable for most objects hung
on vehicle but not for landing gear or strut attachments.
Includes all linkage of structural nature, and any ad hoc
parts of airframe such as pylon, but not control or accessory
systems.
2 Process of fitting a tire [tyre] to a landing-gear wheel.
mounting pad Circular attachment on engine or ADG for
shaft-driven accessory.
mouse See mice.
moused Completely wrapped in soft copper wire [in
mooring flying boat].
moustaches Small canard foreplanes, usually retractable
and used only at high-alpha regimes by supersonic delta.
MOUT See Mount.
mouth 1 Inlet of circular parachute, esp. where this has
diameter less than canopy maximum.
2 Open bottom of hot-air-balloon envelope.
mouth lock Reef.
MOV 1 Metal-oxide varistor.
2 Main oxidiser valve.
mov Move, moving.
movables All flight-control, high-lift or high-drag
surfaces on wing.
movement 1 One aircraft flight as recorded by particular
ground location; for airport, transits overhead are not
counted and a * is either an arrival or a departure.
2 Single military airlift operation by one or more aircraft.
movement area Region where aircraft may be found on
ground proceeding under their own power.
move off blocks Start of an aeroplane flight from parked
position, esp. commercial transport; time entered in ATC
and flight logs. Where parked nose-on, time is from start of
backward push.
MOVG Moving.
moving-armature speaker Audio loudspeaker driven by
oscillation of part of soft-iron (ferromagnetic) circuit.
moving-base simulator One whose flight deck or cockpit
can move linearly as well as rotate, usually in any direction.
moving-coil speaker Dynamic loudspeaker, driven by
forces developed by interaction of currents in conductor
and surrounding field.
moving flight deck In 1943–49 the advantages of making
a carrier flight deck as a powered belt, with an axial motion
similar to, or opposite to, that of landing aircraft, was
shown to offer no advantage.
moving-iron instrument Coil carrying current to be
measured moves soft-iron armature connected to indicating
pointer.
moving-map display One having topographical, radar,
IR, target or other map projected optically on screen with
aircraft position fixed (usually at centre).
moving target indication Radar which incorporates
circuits automatically eliminating fixed echoes so that
MPD
display shows only those moving with respect to Earth. For
airborne radar, eg AWACS, aircraft platform motion is
automatically subtracted.
moving wings Wings whose incidence is varied in flight as
primary means of trajectory control.
Movlas Manually operated visual landing-aid system
(carrier LSO).
MOVPE Metal organic vapour-phase epitaxy.
MOVTAS, Movtas Modified visual target-acquisition
system.
MOX, Mox Mixed dioxides of Pu and U.
Mozaic Measurement of ozone by Airbus in-service
aircraft.
MP 1 Midpoint between fixes or waypoints.
2 Manoeuvre programmer (RPV).
3 Manifold pressure.
4 Multiphase (or pulse).
5 Manual proportional (flight-control system).
6 Manpower and Personnel (USAF).
7 Maintenance period.
8 Middle plug.
9 Main, or maritime, processor.
10 Modification proposal.
11 Multipurpose.
12 Mission planner, or planning.
13 Maximum payload.
14 Multi-platform.
15 Montreal Protocol.
M p Pitching moment due to propulsive thrust.
mP Maritime polar air.
m p Proton-rest mass.
MPA 1 Man-powered aircraft.
2 Management problems analysis.
3 Maritime-patrol aircraft.
4 Million passengers [per] annum.
5 Module performance analysis.
MPa Megapascal, SI unit for high pressures = 145.0376
lb/in 2 .
MPAA Multi-beam (or multifunctional) phased-array
antenna (or aerial).
MPAG Man-Powered Aircraft Group.
MPAR Multipurpose airport radar (FAA).
MPAV Multi-purpose air vehicle.
MPB 1 Multiple pencil beam.
2 Mobility procedures branch.
MPBA Multiple practice bomb adapter.
MPBE Multiple-platform boresight equipment [helicopter].
MPBW Ministry of Public Buildings and Works (UK,
defunct).
MPC 1 Multi-purpose console.
2 Military personnel centre.
3 Multilayer printed circuit.
4 Message-processing centre.
5 Missile practice camp.
MPCD Multipurpose colour, or CRT, or computer, or
control and, display.
MP-CDL Multi-platform common data-link (USAF).
MPCDU Multi-purpose control and display unit.
MPCF Million parts/particles per cubic foot.
MPCS 1 Mission planning and control station.
MPCU Multiport protocol converter unit.
2 Maintenance/power control system.
MPD 1 Medium-prf pulse Doppler.
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