P

PSB Parallel System Bus (RADNET)
PSC Project Steering Committee
PSC Project Safety Committee
PSC Performance, Standard, Conditions
PSDN Packet Switched Data Network *
PSDN Public Switched Data Network
PSE Project Safety Engineer
PSE Primary Surveillance Equipment
PSG Programme Steering Group
PSMCChannel
Packet System Management and Control Channel*
PSMSL Permanent Service for Mean Sea Level
PSN Packet Switching Network
PSP Primary Spare Part
PSPDN Packet Switched Public Data Network
PSR Primary Secondary Radar
PSR Primary Surveillance Radar *
PSS1 Private Signalling System 1
PSSA Preliminary System Safety Assessment
PSSR Present Secondary Surveillance Radar -code- (MADAP)
PST Pacific Standard Time
PST Project Supervision Team (EATCHIP)
PSTF Pension Scheme Task Force
PSTN Packed Switched Telecommunication Network
PSTN Public Switched Telephone Network
PSTN Public Switched Telephone Network
PSV Pilotage sans visibilité (FR)
PT Point
PT Portugal
PTE POEMS Test Environment
PTN Public Telephone Network
PTO Public Telecom Operator
PTO (National) Telecommunications Service Provider
PTO Preferred Time Over
PTOT Provisional Take Off Time (IFPS)
PTP Part-Task Practice *
P-t-P / pt to pt Point-to-Point
PTRMC Prototype Team Resource Management Courseware
PTS PoinTS (route points)
PTS Pre-Training Screen (US)
PTSD Post Traumatic Stress Disorder *
PTT Part-Task Trainer *
PTT Post, Telephone and Telegraph (BE new Belgacom). Push-To-Talk
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PTT Push to Talk
PTT (National) Telecommunications Service Provider
PTW Project Team Work
PU Processing Unit
PUB Publications and Charts (AIS-TF)
PUMA Performance Usability-Modelling of ATM