HMG . . . . . . . Hydraulic Motor Generator
HMI . . Hazardous Misleading Information
HMS . . . . . Hours, Minutes and Seconds
HOPS . . . . Hardover Prevention System
HP . . . . . . . . . . . . . . . . . . . High Pressure
HPA . . . . . . . . . . . . High Power Amplifier
HPC. . . . . . . High Pressure Compressor
HPM . . . . . . . . HUD Personality Module
HPN. . . . . . . . . . Honeywell Part Number
HPSOV . . . . High Pressure Shutoff Valve
HPT . . . . . . . . . . . High Pressure Turbine
HRIF . . . . . High Intensity Radiated Field