| H |
High |
HMU |
Hydromechanical Unit |
| H |
High altitude |
HMV |
Heavy Maintenance Visit holiday |
| H |
Without voice |
hol |
holiday |
| H/W |
Headwind |
horiz |
horizontal |
| HAA |
Height Above Airport |
HOTAS |
Hands On Throttle And Stick |
| HAI |
Helicopter Association International |
hp |
horsepower |
| HAL |
Height Above Landing |
HP |
Heated Pilot |
| HAT |
Height Above Touchdown |
HP |
High Performance |
| haz |
hazard |
HP |
Holding Pattern |
| HCL |
Horizontal Component of Lift |
HP |
Hot Prop |
| HCW |
Horizontal Component of Weight |
HPC |
High-Pressure Compressor |
| HDF |
Heigh-frequency Direction Finder |
HPT |
High-Pressure Turbine |
| hdg |
heading |
HPZ |
Helicopter Protection Zone |
| hel |
helicopter |
hr |
hear, here or hour |
| heli |
heliport |
HRA |
Horizontal Resolution Advisory |
| HERF |
High-Energy Radio Frequency |
HRD |
High-Rate Discharge |
| HF |
High Frequency |
hs |
hours |
| HFR |
High-Frequency Range |
HSCT |
High-Speed Civil Transport |
| HIALS |
High-Intensity Approach Light System |
HSCT |
Hypersonic Civil Transport |
| HIBAL |
High-altitude Balloon |
HSI |
Horizontal Situation Indicator |
| HIF |
Instrument Flight Instructor - rotorcraft / Helicopter (added rating) |
HST |
High-Speed Taxiway |
| HIRL |
High-Intensity Runway Lights |
HTTB |
High-Technology Test Bed |
| HIWAS |
Hazardous In-flight Weather Advisory Service |
HTZ |
Helicopter Traffic Zone |
| HLD |
Head-Level Display |
HUD |
Head-Up Display |
| HMD |
Helmet-Mounted Display |
HVOR |
High VOR |
|
|
HWD |
Horizontal Weather Depiction charts |
|
|
hyd |
hydraulic |
|
|
HySTP |
Hypersonic System Technology Program |
|
|
Hz |
hertz |
