What does HAD stand for?

Casper, WY - Location identifier - FAA (FAAL)

Hadassah (BJA)

Hadson Corp. - NYSE symbol (COMM)

Haemadsorption (SAUS)

Half Amplitude Duration - Telecommunications (TEL)

Half-Anplitude Duration (SAUS)

Halmstad - Sweden - Airport symbol (OAG)

Handicappers for Accountable Democracy (EA)

Hardness Assurance Document

Hartland - United Kingdom - Geomagnetic observatory code

Hassan Addakhil Dam - Morocco - Seismograph station code, US Geological Survey (SEIS)

Hatam - Language code (ETLW)

Hawaii Air Defense

Hawaiian Air Depot (SAUO)

Hawaiian Aqua Products Inc., Honolulu, HI - Manufacturer code for watercraft hull identification number (USCG)

Hazardous Assessment Document - Office of Environmental Management, Department of Energy (DEEM)

Head Acceleration Device (PDAA)

Health Assessment Document - Environmental Protection Agency (GFGA)

Health Assessment Documents - Environment term (AUEG)

Health Care Alternatives Development (HCT)

Hearing Aid Dispenser - Otorhinolaryngology (DAVI)

Heat-Activated Device (NRCH)

Helicopter Approach/Departure - Military (CAAL)

Helicopteros Andes - Chile - ICAO designator (FAAC)

Helium Abundance Detector - Instrumentation

Hemadsorption - Hematology

Herein After Described - Legal - British (MHDI)

Herein Afterr Described (SAUS)

Heterologous Antibody Disease - Medicine (MELL)

Hexamethylmelamine, Adriamycin, Diamminedichloroplatinum - Cisplatin - Antineoplastic drug regimen

High Accuracy Data (SAUS)

High-Accuracy Data - System (MUGU)

High Alcohol Drinking - Rat strain

High-Altitude Density - Sounding rocket

High-Altitude Diagnostic - Unit - Rocket launcher

High-Aluminum Defect (SAUS)

HIV-Associated Dementia (SAUS)

Hole-Accumulated Diode - Sony Corp.

Hole Accumulating Diode - Electronics

Hole Accumulation Diode (SAUS)

Home Address Data (SAUS)

Home Air Depot (SAUO)

Honeywell Aeronautical Division (SAUO)

Horizontal Array of Dipoles

Horizontal Diffusion (SAUS)

Hospital Administration - or Administrator

Hospital Administrator (SAUO)

Hydrogen Adsorption/Desorption

Hypersonic Aerothermal Dynamics (SAA)

Hypophysectomized Alloxandiabetic (SAUS)

Haddington's Manuscript Reports, Scotch Court of Session - A publication (DLA)

Hadley's Reports - 45-48 New Hampshire - A publication (DLA)