P
P CQT
P&WA
P&WC
P.O.R
P/N
P/PAP
P/RST
P1
P2
P2.5
P3
PA
Pa
PA/CI
PA2
PAA
PAC
P-ACE
PACIC
PACIS
PAD
PAGE
PAIRED CHANNELS
PAL
PALT
PAM
PAMB
PAMN
PANS
PANS-OPS
PAPI
PAR
PARA.
PARA/SER
PARACHUTE
PARAGLIDER
PART 121 OF THE FEDERAL AVIATION REGULATIONS
PART 135 OF THE FEDERAL AVIATION REGULATIONS
PAS
PASS
PASSIVE
PAST
PAT
PATS
PATT
PAU
PAV
PAVES
PAWES
PAX
PAYLOAD
PB
PB27
PBA
PBD
PBE
PBID
PBIT
PBM
PBX
PC
PCA
PCB
PCC
PCDB
PCI
PCIN
PCIP
PCK
PCL
PCM
PCMCIA
PCN
P-Code
PCR
PCS
PCU
PD
PDA
PDB
PDC
PDCT
PDCU
PDD
PDDI
PDE
PDF
PDL
PDM
P-DME
PDN
PDO
PDOP
PDOS
PDR
PDS
PDSV
PDU
PE
PEC
PECS
PECT
PED
PEL
PEP
Perf
PERF FACTR
PERFORMANCE INDEX
PERI
PERIGEE
PERM
PERSONNEL LOCATOR BEACON
PERT
PERTUBATION
PES
PET
PETAL
PETAL II
PETAL IIe
PF
PFC
PFCS
PFD
PFIS
PFL
PFR
PFS
PGA
PGDSK
PGE
PGM
PGS
PH
PHARE
PHASE MODULATION
PHC
PHIBUF
PHINOM
PHOTON
PHOTON ENGINE
PHOTOSPHERE
PHS
PHY
PHYSIOLOGICAL ACCELERATION
PI
PI/O
PIA
PICKOFF
PICKUP
PICO
PICS
PID
PIL
PILOT BALLOON
PILOTAGE
PIP
PIRE
PIREPS
PIT
PITCH
PITCHOVER
PITOT PRESSURE
PITOT TUBE
PIU
PJTR
PK
PKG
PL
PLA
PLANET
PLASMA
PLASMA ENGINE
PLASMA JET
PLASMA SHEATH
PLB
PLGR
PLL
PLM
PLN
PLOC
PLT
PM
PMA
PMAT
PMB
PMC
PME
PMI
PMO
PMOS
PMR
PMRs
PMS
PMU
PN
PNCS
PND
PNEU
PNF
PNL
PNR
PO
POA
POC
POF
POIL
POIL
POLAR AIR
POLAR CAP ANOMALY
POLAR FRONT
POLARIZATION
POLLED MODE
POP
POR
PORT
POS
POS INIT
POS REF
POSIGRADE ROCKET
POSIX
POSN
POST
POT
POTS
POV
PP
Pp1
Pp2
Pp3
Pp4
Pp5
PPBM
PPC
PPDU
PPH
PPI
PPM
ppm
PPOS
PPP
PPS
PPT
PPTran
PR
PRA
PRAIM
PRB
PRCS
PRE
PRECIP
PRECIPITATION
PRECISION APPROACH PROCEDURE
PRELIM
PRESN
PRESS
PRESSURE
PRESSURE ALTITUDE
PRESSURE GRADIENT
PRESSURE SUIT
PRESSURIZED
PRESSURIZED AIRCRAFT
PRESTAGE
PREV
PREV PAGE
PREVAILING VISIBILITY
PREVAILING WIND
PREVENTIVE ADVISORY
PRF
PRGM
PRI
PRIMARY
PRIMARY BODY
PRIMARY COSMIC RAYS
PRIMARY MEANS OF NAVIGATION
PRINT
PRK
PRL
PRM
PRN
PRNAV
PROBE
PROCESSION
PROF
PROFAN
PROG
PROHIBITED AREA
PROM
PROMINENCE
PROPAGATION ANOMALITIES
PROPELLANT
PROT
PROTOCOL
PROTON
PROV
PROVING STAND
PROX
PRSOV
PRT
PRTR
PRU
PRV
P-RVAV
PS
P-S
Ps1
PSA
PSAA
PSAS
PSC
PSCP
PSCU
PSD
PSDI
PSDN
PSE
PSEGD
PSEU
PSEUDO RANGE
PSGB
psi
psia
psig
PSL
PSL/PSA
PSM
PSN
PSP
PSR
PSS
PSSA
PSTN
PSU
PSUD
PSYCHOMETER
PT
Pt
PT1
PTA
PTC
PTCH
PTD
PTH
PTI
PTK
PTM
PTO
PTP
PTR
PTS
PTSD
PTT
PTU
PU
PUAC
PUBLIC
PUBPLAN
PURGE
PUV
PV
PVC
PVD
PVL
PVOR
PVT
PW
PWB
PWC
PWM
PWR
PWR SPLY
PWS
PWT
PX
PY
Pylon
PZDSK