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path-stretching
best approach/withdrawal lanes, LZs and sites for heliborne
forces (all DoD, LADB).
path-stretching Deliberately routeing incoming traffic
over longer path (1) to achieve correct spacing on
approach.
Patio Platform for ATM (7) tools integration up to preoperation
(Euret).
PATN See Pro-ATN.
PATP Packed Aircraft Transit Pool (RAF).
Patrick AFB USAF base at Cape Canaveral supporting
AMR.
Patriot 1 Provide appropriate tools required to intercept
and obstruct terrorism (US).
2 Phased-array tracking to intercept of target.
patrol Flight by one or more military or quasi-military
(e.g. customs) aircraft over prescribed area. Defensive *
no longer required in airspace with radar surveillance.
Offensive * actively seeks hostile aircraft. Standing * is
mounted at same time each day.
patrol aircraft 1 Generally accepted term for aircraft
engaged in offshore duties such as search/rescue,
customs/immigration and enforcement of marine laws.
2 US designation for large ocean combat aircraft
engaged in ASW, maritime reconnaissance and mining.
PATS, Pats 1 Precision automated tracking station.
2 Prototype automatic target screener.
3 Primary aircraft training system.
4 Precision-attack targeting system.
patter Flying instructor’s well-rehearsed flow of verbal
instructions and comments.
pattern 1 Replica of part used in constructing casting
mould.
2 Radiation of transmitting aerial as plotted on
diagram of field strength for each bearing.
3 Circuit (1) (US).
4 Shape traced out on ground by track of aircraft, esp.
in circuit, making procedure turns, in holding stack or
other circumstance demanding accurate geometry.
5 Authorized flightpath (1) to point of touch-down.
pattern aircraft One supplied to participant in production
programme, eg licensee or co-producer, to serve
as master to instruct engineers and solve arguments, and
possibly facilitate local change orders.
pattern bombing Systematic covering of target area with
carpet of bombs uniformly distributed according to plan.
pattern generator Signal generator whose output
provides TV-type pattern for testing TV, video, EO or
visual-display systems.
PATTS Programmed auto trim/test system.
PAT3 Parallel advanced tactical targeting technology.
PATU Pan-African Telecommunications Union.
Patuxent River US Naval Air Test Center.
PATWAS, Patwas Pilots’ automatic telephone weather
answering service (FSS, US).
PAU Passenger-address unit.
PAUC Program-acquisition unit cost.
PAV 1 Power assurance valve (CAA).
2 Prototype air vehicle.
Pave With this prefix the USAF designated numerous
tactical electronic systems.
pavement Airfield paved area, including runways, taxiways,
aprons and possibly dispersals.
pavement condition index A subjective scale based on
heave, cracking and surface spalling.
PBAN
P avg Average power of pulsed-radar signal.
PAW 1 Plasma-arc welding.
2 Passive attack weapon.
PAWES Performance assessment and workload evaluation
system.
Paws 1 Phased-array warning system.
2 Passive airborne, or all-threat, warning system.
3 Portable analyst, or ASAS, workstation.
4 Passive approach warning sensor, or system.
5 Program for avionics and weapon systems.
pax Passenger[s].
Pax River See Patuxent River.
Paxsim Models passenger flow through all public areas
of terminal, assisting design.
payback Aircraft added to procurement contract to
replace one diverted, eg to another customer.
payload 1 That part of useful load from which revenue
is derived (BSI). See Maximum *.
2 Load expressed in short tons, US gal or number of
passengers vehicle is designed to transport under specified
conditions (DoD etc).
3 In missile, warhead section (DoD), plus container and
activating devices (NATO); both definitions need modifying
in light of MIRV and similar techniques.
4 For spaceflight, not yet defined; * for Saturn V launch
vehicle was complete Apollo spacecraft, whose LM ascent
stage had its own * in terms of two crew plus lunar rock.
5 For ECM, all discrete devices released or ejected, eg
chaff, flares and jammers in prepackaged * form.
6 Maximum load that can be positioned on upper baseplate
(simulator).
payload integration Matching payload (4) to spacecraft,
including power supply, environmental system and software.
payload of opportunity One put aboard space launcher
because mass/volume is available.
payload/range Fundamental measure of capability of
transport aircraft usually presented as graphical plot
of payload (1) against range with specified operating conditions
and reserves.
payload specialist Engineer skilled in designing and integrating
payloads (4), esp. those of academic-research or
commercial nature.
PB 1 Payload bay.
2 Passenger bridge.
3 Aircraft category, patrol bomber (USN, 1935–62);
pursuit, biplace (USAAC 1935–41).
4 Pre-brief[ed].
5 Particle beam.
6 Pneumatic boot.
P B 1 Roll-rate induced angle of attack.
2 Fuel-burner pressure.
Pb Lead.
P b 1 Burning-time average chamber pressure (solid
rocket motor).
2 Gas-turbine combustion-chamber pressure.
3 Polar modified air.
PBA 1 Pitch bias actuator.
2 Plastic blasting media.
3 Predictive battlespace awareness.
PBAA Polybutadiene acrylic acid (solid rocket
propellant).
PBAN Polybutadiene acrylonitrile (solid rocket
propellant).
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