H
- hail
- hailstorm
- halon agent
- hand starter
- handling agent
- handoff
- hang-gliding
- hang glider
- hangar
- hard landing
- hard turn
- hazard
- hazard beacon
- hazardous material
- haze
- head-down display
- head-up display
- heading
- heading deviation
- heading indicator
- headset
- headwind component
- heavier-than-air aircraft
- heavy landing
- heavy rain
- height
- height above airport
- height above landing
- helicopter
- helicopter air taxiway
- helicopter clearway
- helicopter ground taxiway
- helicopter rotor
- helicopter stand
- helideck
- helipad
- heliport
- heliport operating minima
- helispot
- helitack
- hemorrhagic shock
- Hertz
- high-aspect-ratio wing
- high-intensity radiated field
- high-pressure compressor
- high-pressure turbine
- high-speed stall
- high-wing monoplane
- high intensity runway lights
- high latitude
- high performance aircraft
- high pitch
- hoist
- holding
- holding bay
- holding fix
- holding pattern
- holding point
- holding procedure
- holdover time
- homing
- honeycomb
- honeycomb radiator
- horizon
- horizontal figure of merit
- horizontal plane
- horizontal situation indicator
- horizontal stabilizer
- horizontal visibility
- horsepower
- hot air balloon
- hot spot
- hot start
- hotel
- hover
- hover check
- hover out of ground effect
- hovering
- hovering in ground effect
- hub
- hub-and-spoke system
- hub airport
- hull loss
- human-powered aircraft
- human factor
- human factors principles
- human performance
- hump speed
- hunting
- hurricane warning
- hydraulic failure
- hydraulic pump
- hydraulic system
- hyperventilation
- hypoxia
- hypsometric tints