AEROSPACE ACRONYM & Abbreviation Guide

Download the PDF of the Acronym Guide

December 2010

Avionics Magazine proudly presents the fifth edition of our biennial Aerospace Acronym & Abbreviation Guide. Updated with the latest terms from the magazine’s pages, this comprehensive guide has grown to more than 3,000 civil and military acronyms.

A
| B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

  • HAA high-altitude airship

  • HAATA Houston Area Airspace Transition System

  • HAD hardware architecture document

  • HADDS Host Air Traffic Management Data Distribution System

  • HADS high-altitude platform station

  • HAE height above ellipsoid

  • HAG height above geoid

  • HAI Helicopter Association International

  • HALE high-altitude, long-endurance

  • HARS high altitude route system

  • HART heterogeneous airborne reconnaissance teams (U.S. Army)

  • HAT height above touchdown zone

  • HCI human-computer interface

  • HCP heads-up control panel

  • HCS host computer system

  • HD high density airports

  • HD high definition

  • HDD head-down display

  • HDG heading

  • HDG SEL heading select

  • HDL hybrid data link

  • HDLC high-level data link control

  • HDLC-B HDLC-balanced

  • HDLMS hybrid data link management system

  • HDMI high-definition multimedia interface

  • HDOP horizontal dilution of precision

  • HDP hardware development plan

  • HE altitude error

  • HEA head equipment assembly

  • HEMS helicopter emergency medical services

  • HERF high-energy radio frequency (or energy radiated fields: dense)

  • HF high frequency

  • HF human factors

  • HFACS human factors analysis and classification system

  • HFDL high-frequency data link

  • HFDM high-frequency data modem

  • HFDR high frequency data radio

  • HFI human factors integration

  • HFNPDU high frequency network protocol data unit

  • HFOM horizontal figure of merit

  • HFS high frequency system

  • HFSG human factor study group

  • HFSNL high frequency subnetwork layer

  • HFWG human factors working group

  • HGA high gain antenna

  • HGAS HGA system

  • HGC head-up guidance computer

  • HGS head-up guidance system

  • HGS HFDL ground station

  • HHLD heading hold

  • HID host interface display

  • HIL horizontal integrity limit

  • HIRF high-intensity radiated field

  • HITL human in the loop

  • HITS highway in the sky

  • HLCS high lift control system

  • HLE higher layer entity

  • HLL high level language

  • HMD helmet-mounted display

  • HMI hazardously misleading information

  • HMI human-machine interface

  • HMOS high-density metal oxide semiconductor

  • HMS handheld manpack and small form fit

  • HMSD Helmet Mounted Sight & Display

  • HMU height monitoring unit

  • HO handoff

  • HOCSR host/oceanic computer system replacement

  • HOTAS hands on throttle and stick

  • HOW hand-over word

  • HP high pressure

  • HP holding pattern

  • hPa hecto Pascal

  • HPA high power amplifier

  • HPC high pressure compressor

  • HPL horizontal protection limit

  • HPR high power relay

  • HPSOV high pressure shutoff valve

  • HPT high pressure turbine

  • HRD home routing domain

  • HS-DSAD high speed digital service access device

  • HSD high-speed data

  • HSI horizontal situation indicator

  • HSIT hardware and software integration test

  • HSL heading select

  • HSR high stability reference

  • HSRP hot standby routing protocol

  • HTC highest two-way channel

  • HUD head-up display

  • HUL horizontal uncertainty level

  • HUMINT human intelligence

  • HUMS health and usage monitoring system

  • HVPS high voltage power supply

  • HVT high-value target

  • HWCI hardware configuration item

  • HX heat exchanger

  • HYD hydraulic

  • HYDIM HYD interface module

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