HX
The abbreviation HX stands for:
- Half duplex mode in communications technology
- HX convoys drove in World War II, first of Halifax, and later from New York to England
- Hong Kong Airlines, Chinese airline ( IATA code )
- Only intermittently active TMA, Note in aeronautical charts
- The post code area Halifax ( as the initial letters of a postcode from the UK )
HX as distinguishing signs on license plate:
- Germany: Kreis Hoexter
- UK: Portsmouth
- Norway: Lillehammer in the province of Oppland
- Hungary: Armed Forces ( Magyar Honvédség )
H X is:
- Horten HX, flying wing single-seat fighter of the Horten brothers
- Disambiguation
- Abbreviation