| P |
Papa |
| P-ALT |
Profile Altitude |
| P-CLB |
Profile Climb |
| P-DES |
Profile Descent |
| P-MACH |
Profile Mach |
| P-RNAV |
Precision Area Navigation |
| P-SPEED |
Profile Speed |
| P/A or PA |
Public Address System |
| P/B |
Push Button (Switch) |
| P/BSW |
Push Button Switch |
| P/C |
Pressure Case |
| P/N |
Part Number |
| P/RST |
Push To Rest |
| PA |
Passenger Address
Public Address |
| PACK |
Pressure & Air Conditioning Kit |
| PACOTS |
Pacific Organized Track System |
| PAD |
Passengers available for disembarkation |
| PAM |
Pulse Amplitude Modulation |
| PAMB |
Pressure Ambient |
| PAR |
Precision Approach Radar |
| PARK |
Parking |
| PAS |
Path Attitude Sensor
Pitch Attitude Sensor |
| PASS or PAX |
Passengers |
| PB |
Burner Pressure
Pressure Bypass
Push Button (Switch) |
| PBE |
Protective Breathing Equipment
Personnal Breathing Equipment |
| PBV |
Pack Bypass Valve |
| PC |
Pressure Case
Personal Computer |
| PCA |
Predictive Caution Alert |
| PCB |
Printed Circuit Board |
| PCE |
Pre Cooler Entrance |
| PCM |
Pulse Code Modulation |
| PCO |
Parallel Conformity Option (IOSA) |
| PCP |
Pilot Call Panel |
| PCR |
Pressure Case Regulated |
| PCSW |
Pitch Control Wheel Steering |
| PCU |
Power Control Unit |
| PC/PB |
Pressure Compressor/Pressure Burner |
| PD |
Pre Cooler Inlet Pressure
Performance Dispatch
Performance Data |
| PDC |
Pre-Departure Clearance |
| PDU |
Pilot Display Unit
Power Drive Unit |
| PEA |
Articles made from or containing parts of endangered species |
| PEF |
PErishable Flowers |
| PED |
Pedestal |
| PEM |
PErishable Meat |
| PEP |
PErishable fruits and vegetables |
| PER |
PERishables (IATA) |
| PERF |
Performance |
| PERF INIT |
PERFormance INITialisation |
| PES |
Passenger Entertainment System
Pitch Enhancement System
PErishable seafood |
| PES CTRL |
Passenger Entertainment System Controller |
| PET |
Pets as passenger baggage |
| PF |
Pilot Flying |
| PFC |
Primary Flight Computers |
| PFD |
Primary Flight Display |
| PFDVC |
Pressure Flow Divider Valve Cartridge |
| PFR |
Post Flight Report |
| PFS |
Partnership For Safety (IATA) |
| PG |
Page |
| PH |
Pounds Per Hour |
| PHC |
Probe Heat Computer |
| PI |
Performance Inflight |
| PIA |
Planning and International Affairs |
| PIC |
Pilot In Command |
| PIP |
Pressure Index Point |
| PIPC |
Power Plant Illustrated Parts Catalog |
| PIPS |
Pack Inlet Pressure Sensor |
| PIREPS |
Pilot Reports |
| PIU |
Passenger Information Unit |
| PK |
Peak |
| PK-WND |
Peak Wind |
| PL |
Payload
Ice Pellets |
| PLD |
Programmable Logic Device |
| PLI |
Pitch Limit Indicator |
| PLW |
Plow(ed) |
| PM |
Pilot Monitoring (formerly Pilot Non Flying)
Post Meridiem
Procedure Manual |
| PMA |
Permanent Magnetic Alternator
Parts Manufacturer Approval |
| PMC |
Power Management Computer
Power Management Control |
| PMDB |
Production Management Data Base |
| PMG |
Permanent Magnetic Generator |
| PMR |
Performance Maintenance Recorder |
| PMUX |
Power Multiplexer, Power Plant Multiplexer |
| PN |
Part Number |
| PNEU |
Pneumatic |
| PNF |
Pilot Non Flying (assiting/monitoring pilot) |
| PNL |
PaNeL |
| PNO |
automated stations equipped with a tipping bucket rain gauge have that sensor not operating |
| P0 |
Ambient Static Air Pressure
Well developped Dust/Sand Whirls |
| POB |
Pressure Off Brake
Portable Oxygen Bottles |
| PPL |
Private Pilot License |
| POS or POSN |
POSition |
| POS INIT |
POSition INITialisation |
| POT |
Potentiometer |
| PPH |
Pounds Per Hour |
| PPI |
Planned Position Indicator |
| PPM |
Pulse Position Modulation |
| PPOS |
Present Position |
| PPS |
Pounds Per Second |
| PPU |
Position Pick Off Unit |
| PR |
Pressure
Regulated Pressure (Downstream Of Bleed Valve)
Partial |
| PRAM |
Prerecorded Announcement Monitor |
| PRE FLT |
Pre Flight |
| PRECOOL |
Pre Cooler |
| PRED |
Prediction |
| PREREC |
Pre Recorded |
| PRESEL |
Preselector |
| PRESFR |
Pressure falling rapidly |
| PRESRR |
Pressure rising rapidly |
| PRESS |
Pressure, Pressurization |
| PREV |
Previous (Page)
Prevision |
| PRGM |
Program |
| PRI or PRIM |
PRImary |
| PRIM or FCPC |
Flight Control Primary Computer
Primary |
| PRNAV |
Precision Area Navigation |
| PROB30 |
(weather) probability of 30% |
| PROB40 |
(weather) probability from 30% to less than 50% |
| PROC T |
Procedure Turn |
| PROC |
Procedure |
| PROF |
Profile (Vertical) |
| PROG |
Progress |
| PROM |
Programmable Read Only Memory |
| PROT |
Protection |
| PROTEC |
Protection |
| PROX SNSR |
Proximity Sensor |
| PROX |
Proximity |
| PRSOV |
Pressure Regulator And Shutoff Valve |
| PRTR |
Printer |
| PRV |
Pressure Regulator Valve |
| PS |
Power Section
Pump Supply Pressure |
| PSB |
Bearing Pressure |
| PSC |
Pre Set Course |
| PSCU |
Proximity Switch Control Unit |
| PSEU |
Proximity Switch Electronic Unit |
| PSH |
Pre Set Heading |
| PSI |
Pounds Per Square Inch (14.5 Psi = 1 Bar) |
| PSIA |
Pounds Per Square Inch Absolute |
| PSID |
Pounds Per Square Inch Differential |
| PSIG |
Pounds Per Square Inch Gauge |
| PSIU |
Passenger Service And Information Unit |
| PSNSRF |
Pressure Sensor Failure |
| PSR |
Primary Surveillance Radar
Packed snow on runway |
| PSRM |
Power Plant Structural Repair Manual |
| PSS |
Passenger Service System
Pressure Sub System (Ecu) |
| PSU |
Passenger Service Unit (passengers O2 masks) |
| PSW |
Pressure Switch |
| PT |
Point
Total Air Pressure |
| PTC |
Positive Temperature Coefficient |
| PTCH |
Pitch Angle |
| PTCHY |
Patchy |
| PTCR |
Body Axis Pitch Rate |
| PTFE |
Teflon |
| PTH |
Path |
| PTLU |
Pedal Travel Limitation Unit |
| PTP |
Programming And Test Panel |
| PTR |
Printer |
| PTT |
Push To Talk |
| PTU |
Power Transfer Unit (Hydraulic) |
| PU |
Power Unit |
| PUT |
Power Up Test |
| PVS |
Personal Video System |
| PW |
Pratt And Whitney |
| PWA |
Printed Wiring Assembly
Predictive Windshear Alert |
| PWINO |
automated stations equipped with a present weather identifier have that sensor not operating |
| PWM |
Pulse Width Modulator |
| PWR |
Power (Engine, Electric, Hydraulic, Pneumatic) |
| PWR SPLY |
Power Supply |
| PWS |
Predictive Windshear System |
| PY |
Spray |
