[1] PCM Interface Port

[2] Personal Information Processor (Tandy)

[3] Peripheral Interchange Program

[4] Picture-in-Picture (capability)

[5] Position Indicating Probe (->"IEEE Standard Dictionary")

[6] Predicted Impact Point (->"IEEE Standard Dictionary")

[7] Primary Indicating Position (Data Logger) (->"IEEE Standard Dictionary")

[8] Problem Input Preparation (->"IEEE Standard Dictionary")

[9] Programmable Integrated Processor (->"IEEE Standard Dictionary")

[10] Project on Information Processing (->"IEEE Standard Dictionary")

[11] Prototypic Inlet Piping (->"IEEE Standard Dictionary")

[12] Pulsed Integrating Pendulum (->"IEEE Standard Dictionary")

[13] Program Initialization Parameters

[14] Programmable Interconnect(ion) Point

[15] Problem Isolation Procedure

[16] Payload Integration Plan (->"NASA Acronym List")

[17] Payload Interface Plan (->"NASA Acronym List")

[18] Plant Instrumentation Program (->"NASA Acronym List")

[19] Production Instrumentation Package (->"NASA Acronym List")

[20] Project Implementation Plan (->"NASA Acronym List")

[21] Pilot Point, AK, USA -internationale Fughafen-Kennung