A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

ABBRV DESCRIPTION
H Non--DirectionalRadioHomingBeacon(NDB)
HAA HeightAboveAirport
HAL HeightAboveLanding
HARS HighAltitudeRouteSystem
HAT HeightAboveTouchdown
HAZMAT HazardousMaterial
HCAP HighCapacityCarriers
HDME NDBwithDistanceMeasuringEquipment
HDQ FAAHeadquarters
HELI Heliport
HF HighFrequency
HH NDB 2kworMore
HI EFASHighAltitudeEFAS
HLDC HighLevelDataLinkControl
HOV HighOccupancyVehicle
HPZ HeliportProtectionZone
HSI HorizontalSituationIndicators
HUD HousingandUrbanDevelopment
HWAS HazardousIn--FlightWeatherAdvisory
Hz HERTZ