A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

ABBRV DESCRIPTION
PABX PrivateAutomatedBranchExchange
PAD PacketAssembler/Disassembler
PAL PlanningActivityLevel
PAM PeripheralAdapterModule
PAPI PrecisionApproachPathIndicator
PAR PrecisionApproachRadar
PAR PreferentialArrivalRoute
PATWAS PilotsAutomaticTelephoneWeatherAnsweringService
PBB PassengerBoardingBridge
PBCT ProposedBoundaryCrossingTime
PBRF PilotBriefing
PBX PrivateBranchExchange
PCA PositiveControlAirspace
PCC PortlandCementConcrete
PCM PulseCodeModulation
PDAR PreferentialArrivalAndDepartureRoute
PDC Pre-DepartureClearance
PDC ProgramDesignatorCode
PDN PublicDataNetwork
PDR PreferentialDepartureRoute
PFC PassengerFacilityCharge
PGP PlanningGrantProgram
PIC PrincipalInterexchangeCarrier
PIDP ProgrammableIndicatorDataProcessor
PIM PreformedThermoplasticMarkings
PIREP PilotWeatherReport
PMS ProgramManagementSystem
POLIC PoliceStation
POP PointOfPresence
POT PointOfTermination
PPIMS PersonalPropertyInformationManagementSystem
PR PrimaryCommercialServiceAirport
PRI PrimaryRateInterface
PRM PrecisionRunwayMonitor
PSDN PublicSwitchedDataNetwork
PSN PacketSwitchedNetwork
PSS PacketSwitchedService
PSTN PublicSwitchedTelephoneNetwork
PTC Presumed-to-Conform
PUB Publication
PUP PrincipalUserProcessor
PVC PermanentVirtualCircuit
PVD PlanViewDisplay