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PAM, p.a.m.
PAM, p.a.m. 1 Pulse-amplitude modulation; also,
confusingly, phase-amplitude modulation.
2 Payload assist module.
3 Picture assembly multiplexer.
4 Plasma-arc machining.
5 Precision attack missile.
6 Peripheral adapter module.
7 Portable automated mesonets (weather).
PAMA Professional Aviation Maintenance (formerly
Mechanics) Association [office, St Ann, MO] (US).
PAMC Provisional acceptable means of compliance
(ICAO).
Pamela 1 Process abstraction method for embedded
large applications.
2 Process for advanced management of end-of-life
aircraft (Airbus).
Pamir 1 Passive airborne modular IR.
2 Phased-array multifunction imaging radar.
Pampero Stormy line squalls (Argentina, Uruguay).
PAMR Public-access mobile radio.
PAMS Point anti-missile system.
PAN 1 Polyacrilonitrile, precursor of carbon fibre in
most processes.
2 Originating station has urgent message to transmit
concerning safety of vehicle or occupant(s) (DoD); see
Pan.
3 Porte avions nucléaires (F).
Pan Radio code indicating uncertainty or alert, general
broadcast to widest area but not yet at level of Mayday.
pan 1 Base of seat tailored to pilot with seat-type pack.
2 Paved dispersal point for single aircraft.
3 Carrier for air-drop parachuted load.
4 Drum-type magazine for automatic weapon [vertical
axis] (chiefly WWJ).
pancake 1 Vague term supposedly indicating landing at
abnormally low forward speed and high sink rate (arch.).
2 Air-intercept code: “I wish to land”, usually followed
by word giving reason, eg * fuel (DoD).
3 Verb, to land (arch.).
4 Flat-topped fuselage regarded as a lifting surface.
pancam Panoramic camera (planetary lander).
P&A Priorities and allocations.
Panda Personnel and administration.
P&ES Personnel and equipment supply.
P&F Particles and fields.
P&I Paint and interior.
P&O Plant and operations.
P&P 1 Plans and programs (DoD).
2 Payments and progress (NATO).
P&SS Provost and Security Service (RAF).
P&T Priorities and traffic.
P&TC Personnel and Training Command (RAF).
panel 1 Single piece of aircraft skin, eg fuselage *.
2 Major section of wing as finished component, eg
outer *.
3 Essentially planar base carrying instruments.
4 Complete portion of stressed-skin structure, sandwich
or, rarely, other constructional form, used for fatigue
or static test purposes; not necessarily portion of actual
aircraft.
5 Subdivision of parachute canopy, or aerostat gasbag,
either complete gore or portion thereof.
6 Body of experts, eg examining *.
7 Marking panel.
PAPS, Paps
panel code Standard code for visual ground/air communication
(IADB).
panel elements Items mounted on panel (3) such as
instruments, switches and displays.
panel fill factor The percentage of the complete instrument
panel facing the pilot that is occupied by
multifunction displays.
panelled Equipped with instruments and avionics, thus
well * (colloq.).
panhandle Aircraft dispersal of frying-pan shape.
pan-handle Ejection-seat firing handle on seat pan.
pan-head screw One having thin, large head with slightly
convex upper surface.
panic button Gives emergency recovery to unaccelerated
horizontal flight with wings level (USAF).
PANNI Psychological assessment of noise and number
index [see noise].
pannier 1 Small 1-, 2- or 4-tube rocket launcher added
to CBLS or other stores carrier.
2 Common meaning, removable container for cargo of
any kind.
panoramic camera One which by means of system of
oscillating or rotating optics or mirrors scans wide strip of
terrain usually from horizon to horizon. Mounted vertically
or obliquely to scan across or along line of flight.
PANS, Pans Procedures for Air-Navigation Services;
/OPS adds aircraft operations, /RAC adds radio com.
procedures.
PANS-ABS PANS abbreviations and codes.
Pantera Precision attack navigation and targeting with
extended range acquisition.
panting In/out springy movement of thin skin under
compressive stress; generally similar to oil-can effect.
pantobase Landing gear designed for land, water, snow
and possibly other surfaces.
pantry Aircraft kitchen without provision for heating
prepacked meals.
pants Fixed fairing over landing gear leg and, esp.,
wheels; generally similar to spats but chiefly US usage.
pants duct Large-diameter Y-piece forming junction or
bifurcation in duct system.
PANYNJ Port Authority of New York and New Jersey.
PAO Poly-alpha olefin.
PAP 1 Precision approach path.
2 Plug and play (transport a/c fuselage).
3 Paintless aircraft programme.
4 Propulsion [or propulseur] d’appoint à poudre
[ = solid booster rocket].
5 Pierced, or perforated, aluminium plank[ing].
Papa Parallax aircraft-parking aid.
paperless Totally on computer; thus * cockpit, in which
all paper is replaced by EFB.
paper returns Written lists of [military] aircraft at readiness,
serviceable, unserviceable and written off, possibly
adjusted for political reasons.
PAPI, Papi Precision approach path indicator.
PAPM, p.a.p.m. Pulse amplitude and phase modification;
narrows signal bandwidth to quadruple carrying
capacity per channel.
Paprica Passenger relief in co-operation with airlines.
PAPS, Paps 1 Periodic armaments planning system
(NATO).
2 Phased armaments programme systems.
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