Hazard: A potentially damaging physical event, phenomenon or human activity that may cause the loss of life or injury, property damage, social and economic disruption or environmental degradation. 

Heavy Equipment Branch Director (HEBD): The person responsible to supervise and manage the overall operations for all heavy equipment on an incident. This person will prioritize the need and allocation of heavy equipment for the incident.

Heavy Equipment Group Supervisor (HEGS): The person responsible for supervising and directing operations of assigned heavy equipment, including heavy equipment strike team/task forces or single resources.

Heavy equipment operator (HEOP): The person responsible for the safe and efficient operation of a single piece of heavy equipment on an incident.

Helibase:  The main location for parking, fuelling, maintenance and loading of helicopters operating in support of an incident.

Helibase Manager (HEBM): The person responsible for controlling helicopter take-offs and landings at a helibase, managing helibase assigned helicopters, supplies, fire retardant mixing and loading.

Helicopter Coordinator (HLCO):  The person responsible for coordinating tactical or logistical helicopter mission(s) at an incident.

Helicopter engineer (HENG): The person responsible for the maintenance of a helicopter.

Helipad: The prepared surface or structure at a heliport where a helicopter actually lands.

Heliport: A permanent landing area for helicopters, where fuel, service, and supply are generally available.

Helispot:  Any designated location where a helicopter can safely take off and land.  Some helispots may be used for loading and unloading of supplies, equipment, personnel and medical evacuation.

Helispot manager (HESM): The person responsible for managing all resources assigned to a helispot.