HAP
[1] Harald's Archiver Programm - Shareware-Archiver unter DOS[2] Host Access Protocol (RFC1221)
[3] Hardware Allocation Panel
[4] Hazardous Air Pollutant
[5] High-Altitude Platform
[6] High-Altitude Probe
[7] High-speed Arithmetic Processor
[8] Honeywell Array Processor
[9] Happy Bay, Australia - internationale Fughafen-Kennung