What does HAT stand for?

Haitian Creole French - Language code (ETLW)

Haitian/Haitian Creole - GeoNet three-character language code (GEON)

Halsted Aphasia Test - Medicine (EDAA)

Handbuch zum Alten Testament - A publication (BJA)

Handover Transmitter (IAA)

Harbour Acceptance Testing (SAUS)

Harbour Acceptance Trials - Missile - British

Hardened and Tempered (IAA)

Hardened Antenna Technology (SAUO)

Hardness Assurance Test

Hardware Acceptance Team (SAUS)

Hardware Address Translator (XSAL)

Harmonic Attenuation Table - or Test (DAVI)

Hartford Arms Co. - NCIC firearms make code (NCIC)

Hashed Address Table (SAUS)

Hat Corporation of America (SAUO)

Hatteras Income Sec - NYSE symbol

Hatteras Income Securities, Inc. - NYSE symbol (SPSG)

Hatteras, NC - Location identifier - FAA (FAAL)

Hatteras Yacht - NCIC boat manufacturer code (NCIC)

Hatteras Yachts Inc., New Bern, NC - Manufacturer code for watercraft hull identification number (USCG)

Hawaiian Archives for Tsunamis

Head Address Transfer (SAUS)

Head, Arms, and Trunk - Anatomy (DAVI)

Heap Analysis Tool - A program that analyzes a heap dump file for Java programs (XSAL)

Heathen ANSI- American National Standards Institute Tactics

Heathlands - Australia - Airport symbol - Obsolete (OAG)

Heavy Artillery Tractor - British military (DMA)

Height above Runway Touchdown Zone Elevation - Aviation

Height above Terrain

Height Above Touchdown (PDAA)

Helicopter Acquisition Test (MCD)

Helicopter Automatic Track (SAUO)

Heterophil Antibody Titer (DB)

High-Altitude Target

High Altitude Temperature (PDAA)

High-Altitude Temperature Rocket

High-Altitude Testing - Sounding rocket

High-Altitude Transmitter

High-Angle Threat

Highest Astronomical Angle - Nautical term (NTA)

Highest Astronomical Tide

Highly Aphid Transmissible - Plant pathology

Histone Acetyltransferase - An enzyme

History Advertising Trust - British (DBA)

Home Area Toll - Telecommunications (TEL)

Horizontal Alidade Tie

Horizontal Axis Turbine (SAUS)

Hospital Alliance of Tennessee (SRA)

Hospital Arrival Time (MELL)

Housing Action Trust - British

Housing Association Trust (SAUO)

Hug-a-Tree and Survive (EA)

Hypervelocity Ammunition Technology (SAUS)

Hypoxanthine-Aminopterin-Thymidine - Medium - Biochemistry

Hatran (BJA)