What Does HA Stand For?

HA has more than one possible meaning :

• HA - Apogee Altitude
• HA - Haiti FIPS 10 4 Country Code High Availability
• HA - Hausa Language ISO 639 1 Code Hectare
• HA - Hazard Analysis
• HA - Headache
• HA - High Altitude

If you know of another acronym for HA, please suggest it as a new acronym for HA.