P

P
P	Pressure
P	Purple
P	Roll Rate
P(-, +, OFF)	Polarity (minus, plus, off)
P.ALT	Profile Altitude
P.CLB	Profile Climb
P.DES	Profile Descent
P.EPR	Profile EPR
P.MACH	Profile Mach
P.N1	Profile N1
P.SPD	Profile Speed
P/B	Pushbutton
P/BSW	Pushbutton Switch
P/C	Premium Class
P/C	Printed Circuit
P/L	Payload
P/N	Part Number
P/P ROM	Preprocessor ROM
P/Y	Premium Economy Class
PA AMP	Passenger Address Amplifier
Pa	Pascal
PA	Passenger Address
PA	Public Address
PADS	Pneumatic Air Distribution System
PAL	Programmable Array Logic
PAR	Precision Approach Radar
PARAM	Parameter
PARK	Parking
PAS	Pitch Attitude Sensor
PATS	Passenger Air-to-Ground Telephone System
PAX	Passenger
PAX	PAX Announcement Entertainment & Service Multiplex Sys
PB	Policy Board
PBD	Place Bearing/Distance
PBE	Protective Breathing Equipmemt
PBIT	Power-Up Built-in Test
PBM	Power Plant Build-up Manual
PBSELV	Park Brake Selector Valve
PBSW	Pushbutton Switch
PC	Pack Controller
PC	Packing Card
PC	Personal Computer
PCA	Portland Cement Association
PCA	Positive Control Airspace
PCB	Printed Circuit Board
PCD	Performance Compliance Document
PCD	Protection and Commutation Device
PCDM	Primary Contactor Driver Module
PCDS	Primary Contactor Driver System
PCE	Personal Consumption Expenditures
PCE	PreCooler Exchanger
PCF	Passenger Cum Freighter
PCM	Power Conditioning Module
PCM	Pulse Code Modulation
PCOS	Power Cowl Opening System
PCPU	Primary COS Power Unit
PCS	Propulsion Control System
PCT	Percent
PCT	Probe Compensator Temperature
PCTI	Performance Critical Item
PCU	Passenger Control Unit
PCU	Power Control Unit
PCU	Power Controller Unit
PD	Pitch Diameter
PD	Principle Diagram
PDB	Performance Database
PDC	Panel Display Catalog
PDC	Procurement Data Card
PDCS	Power Distribution Control System
PDDC	Provisioning Descriptive Data Card
PDFU	Pedal Damping and Friction Unit
PDI	Power and Data Interface
PDL	Portable Data Loader
PDM	Post Delivery Modification Material
PDMC	Power Distribution Maintenance Computer
PDMI	Power Distribution Maintenance Interface
PDMIC	Power Distribution Maintenance Interface Contactor
PDMMF	Power Distribution Monitoring and Maintenance Function
PDO	Power Door Opening
PDOS	Power Door Opening System
PDRC	Procurement Data Reference Card
PDrS	Pre-Defined repair Solution
PDT	Probe Dual Temperature
PDU	Power Drive Unit
PE	HP Stage Air Pressure
PEA	Production Environnement Airbus (Transnational Production SAP system)
PED	Pedestal
PED	Portable Electronic Device
PEDMU	Primary Electrical Distribution Management Unit
PEF	Pylon Extension Fairing
PEM	Performance Engineers Manual
PEP	Performance Engineers Programs
PEPDC	Primary Electrical Power Distribution Center
PERC	Percussion
PERF	Performance
PERM	Permanent
PERS	Personal
PES	Passenger Entertainment (System)
PES	Passenger Entertainment System
PES	Production Engineering Specification
PESAR	Passenger Entertainment System Audio Reproducer
PESC	PES Controller
PESMMUX	Passenger Entertainment System Main Mux
PF	Pilot Flying
PF	Power Factor
PF3D	Primary Full Format Flight Display
PFA	PERMIT FOR ALTERNATIVE
PFC	Primary Flight Control
PFCS	Primary Flight Control System
PFD	Package Frontier Drawing
PFD	Primary Flight Display
PFDB	Power Floor Disconnect Box
PFEV	Power Failure Event
PFIN	Power Failure Interrupt
PFIS	Passenger Flight Information System
PFM	Perform
PFMD	Performed
PFQ	Preselected Fuel Quantity
PFR	Post Flight Report
PFTU	Pedal Feel and Trim Unit
PG BUS	Program Bus
PG	Page
pH	Acidity or Alkalinity
PH	Phase
PHA	Preliminary Hazard Analysis
PHC	Probe Heat Computer
PHD	Protruding Head
phi	Bank Angle
phi	N Nominal Bank Angle
PHMU	Power Health Monitoring Unit
PHMU	Prognostic and Health Monitoring Unit
PHR	Pounds per Hour
PI	Procedure Turn to an Intercept
PIA	Peripheral Interface Adapter
PIA	Programmable Interface Adapter
PIESD	Passenger Information and Entertainment Services Domain
PIH	Pressure Interstage Hydraulic (PW eng)
PIM	Passive InterModulation
PIM	Programming and Indication Module
PIN PROG	Pin Programming
PIN PROG	Pin Programming
PIPC	Power Plant Illustrated Parts Catalog
PIR	Pressure Interstage Return
PIREP	Pilot Reports
PISA	Passenger Interface and Supply Adapter
PIU	Passenger Information Unit
PIX	Picture
PK	Pink
PKI	Public Key Infrastructure
PKK	Power Plant Kit
PL	Plate
PL	Plug
PLA	Power Light Adapter
PLATF	Platform
PLC	Powerline Communication
PLCRD	Placard
PLR	PREVIOUS LEGS REPORT
PLS	Pulse
PLSP	Point Level Sensor Processor
PLT	Pilot
PLU	Power Locking Unit
PLYWD	Plywood
PM	Phase Modulation
PM	Pounds per Minute
PMA	Parts Manufacturing Approval
PMA	Permanent Magnet Alternator
PMAT	Portable Multipurpose Access Terminal
PMC	Power Management Control, Controller
PMC	Process Material Control
PMDB	Production Management Data Base
PMG	Permanent Magnet Generator
PMM	Personalization Memory Module
PMP	Performance Monitoring Program
PMP	Primary Maintenance Process
PMP	Pump
PMR	Performance Maintenance Recorder
PMR	Progress Management Revies
PMR	Project Management Reviews
PMS	Process and Material Specification
PMT	Process Management Team
PMU	Power Management Unit
PMUX	Power Plant Multiplexer
PMUX	Propulsion Multiplexer
PN	Part Number
PNEU	Pneumatic
PNF	Pilot Non Flying
PNL	Panel
PNP	Positive-Negative-Positive
PNR	Part Number
PNTL	Pintle
PO	Pickoff
PO	Process Owner
PO	Production Organization
PO	Purchase Order
POB	Power-Off Brake
POB	Pressure-Off Brake
PODD	Passenger Owned Devices Domain
POM	Point of Measurement
POR	Part Order Request
POR	Point of Regulation
PORT	Portable
POS	Position
POST	Power on Self Test
POT	Potentiometer
POXIP	Passenger Oxygen Indication Panel
PP	Process Parameter
PPB	Provisioning Parts Breakdown
PPBU	Power Plant Build Up
PPC	Phosphor Protection Circuit
PPDC	Provisioning Procurement Data Card
PPDES	Product Performance Data Exchange Specifications
PPE	Personal Protective Equipment
PPI	Plan Position Indicator
PPIPC	Power Plant IPC
PPM	Parts per Million
PPM	Performance Programs Manual
PPM	Pulse Position Modulation
PPOS	Present Position
PPS	Polyphenylene sulfide
PPU	Position Pickoff Unit
PQAS	Program Quality Assurance System
PR	Power Ready Relay
PR	Pressure
PR	Progress Meeting
PR	Regulated Pressure (downstream of bleed valve)
PRAM	Prerecorded Announcement and Music
PRB	Probe
PRCSG	Processing
PRCSR	Processor
PREAMP	Preamplifier
PRECOOL	Precooler
PRED	Prediction
PRED	Predictive
PRE-EMPT	Pre-emptive
PREREC	Prerecorded
PRES POS	Present Position
PRES POS	Present Position
PRESEL	Preselection, Preselector
PRESS	Pressure, Pressurization, Pressurize
PREV	Previous
PRF	Interrogation Rate
PRGM	Program
PRI	Priority
PRIM	Primary
PRIM	PRIMary Computer
PRIM	PRIMary System
PRL	Parallel
PRM	Person with Reduced Mobility
PROC	Procedure
PROC T	Procedure Turn
PROCSR	Processor
PROF	Profile
PROG	Program, Programming
PROG	Progress
PROJ	Projector
PROM	Programmable Read Only Memory
PROS	Present Position
PROT	Protection
PROX	Proximity
PRPHL	Peripheral
PRR	Power Ready Relay
PRS	Proof Reading Sheet
PRSOV	Pressure Regulating and Shut-Off Valve
PRSRZ	Pressurize
PRSRZG	Pressurizing
PRV	Pressure Regulating Valve
PS	Process Solution
PSA	Passenger Service Adapter
PSCU	Proximity Switch Control Unit
PSD	Protected Switch Device
PSDU	Power Supply Decoupling Unit
PSI	Pound per Square Inch
PSIA	Pounds per Square Inch Absolute
PSIC	Proximity Sensor Interface Card
PSIG	Pounds per Square Inch Gage
PSIU	Passenger Service Information Unit
PSNR	Positioner
PSQM	Propulsion System Quality Management
PSS	Passenger Services System
PSSTR	Preliminary Supplier Selection Technical Review
PSSTR	Pre-Selection Supplier Technical Review
PSU	Passenger Service Unit
PSU	Power Supply Unit
PSUD	Passenger Service Unit Decoder
PSV	Planned Shop Visit
PSW	Pressure Switch
PT	CODE Part Code
PT	Point
PT	Switching Pressure of HP Valve
PTC	Positive Temperature Coefficient
PTDC	Provisioning Technical Data Card
PTM	Performance Training Manual
PTP	Programming and Test Panel
PTR	Printer
PTR	Push to Reset
PTT	Push to Test
PTT	Push-to-Talk
PTT	Push-to-Test
PTU	Power Transfer Unit
PTU	Power Transformer Unit
PU	Panel Unit
PU	Parts Usage
PU	Pick Up
PU	Processing Unit
PURS	Purser
PVC	Polyvinyl Chloride
PVD	Para Visual Director
PVI	Paravisual Indicating
PVIS	Passenger Visual Information System
PW	Pratt & Whitney
PW	Pratt and Whitney
PWCU	Potable Water Control Unit
PWIP	Potable Water Indication Panel
PWM	Pulse Width Modulator
PWR	Power
PWS	Potable Water System
PWS	Predictive WindShear
PWSP	Potable Water Service Panel
PXE	Pre-boot eXecution Environment
PYL	Pylon