Glossary

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

Hangar: See Aircraft hangar.

Hazardous goods: Another term for dangerous goods. Also known as Hazardous material. See also Dangerous goods.

Hazardous Materials On-scene Incident Commander (HMOIC): See Hazmat emergency response.

Hazardous Materials Specialist: See Hazmat emergency response.

Hazardous Materials Technician: See Hazmat emergency response.

Hazchem: International warning panel designed to alert as to the dangers, characteristics and appropriate accident response to hazardous chemicals and liquids.

Hazmat: Another term for hazardous material.

Hazmat emergency response: There are five levels of response to a Hazmat incident recognised by the FAA:

i) First Responders - Awareness (FRA): Trained individuals able to recognise when a Hazmat incident has occurred or could potentially occur and alert the appropriate authorities. They do not deal with an incident.
ii) First Responders - Operations (FRO): Trained individuals able to contain a Hazmat spillage or incident, to prevent it spreading and prevent exposure. They do not deal with an incident.
iii) Hazardous Materials Technician (HMT): Trained individuals able to aggressively respond to a spillage or potential spillage in order to stop it. They will approach the point of release in order to plug, patch or otherwise close it. They receive an extra 24 hours of training beyond an FRO.
iii) Hazardous Materials Specialist (HMS): Trained individuals also able to respond aggressively to a spillage or potential spillage, but with a specialisation training in particular aspects of responses, such as chlorine releases. They receive an extra 24 hours of training beyond an FRO.
iv) Hazardous Materials On-scene Incident Commander (HMOIC): Person in overall command of all activities during an emergency response. Can also co-ordinate resources outside the airline.
v) Hazmat emergency response team: Personnel trained in the proper procedures to deal with an incident, an accident or potential accident, involving hazardous material.

High Density Rule: US government regulation which caps operations at Washington National, New York’s LaGuardia and JFK and Chicago O’Hare airports.

HMOIC: See Hazmat emergency response.

HMS: See Hazmat emergency response.

HMT: See Hazmat emergency response.

Hub, freight: An airport used by an integrator or scheduled freight airline to sort and disperse goods through its network from incoming flights or road services operated by the airline or its agents. A hub can be a freight-only airport or a facility at a general airport.

Hub-and-spoke: An airline’s operation which utilises major services to connect key hub airports, with minor services then connecting with minor destinations unable to support major services themselves in terms of traffic.

Hull insurance: See Insurance.

Hush-kit: Device to limit noise levels produced by aircraft engines. See also Chapter III.

Hushkitting: To fit a hush-kit on an existing engine.