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HEAD FIRE IGNITION [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2008-05-05

English

Subject field(s)
  • Aircraft Systems
  • Helicopters (Military)
CONT

The fire extinguishing equipment for an airliner such as the Douglas DC-10 incorporates three systems with six pressurized agent containers, two for each engine. The containers for the wing-mounted engines are located in pairs in the leading edge of the wing between the nacelle and the fuselage on each side of the aircraft.... The discharge cartridge is an electrically fired explosive unit that provides force to rupture the disk seal in the outlet port of the container and release the extinguishing agent to the deployment lines. One discharge cartridge is installed on each wing-mounted container and two are installed on the aft-engine container. The discharge cartridge contains two squibs(explosive charges) that are fired by an electric circuit that heats the powder to the ignition point. When the fire extinguisher control handle is pulled down, the electric circuit is closed and the squibs are fired. The force of the explosion ruptures the disk seal, thus releasing the extinguishing agent. A screen in the discharge head prevents particles of the disk from entering the deployment line.

OBS

This system is specific to the McDonnell Douglas Corporation aircraft (DC-9, DC-10).

OBS

fire control handle : term officially approved by the Aeronautical Terminology Standardization Committee (ATSC) - Helicopters.

French

Domaine(s)
  • Circuits des aéronefs
  • Hélicoptères (Militaire)
OBS

poignée coupe-feu : terme uniformisé par les Comités d'uniformisation de la terminologie aéronautique (CUTA) - Hélicoptères et Maintenance.

Spanish

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Record 2 2005-05-10

English

Subject field(s)
  • Fire-Fighting Techniques
  • Brush, Prairie and Forest Fires
DEF

The setting of successive parallel strips of fire (progressing outward toward the perimeter of the area), each one burning adjacent to the strip previously burned.

OBS

[Strip fire ignition] may be used for backfires, flank fires, or head fires.

French

Domaine(s)
  • Manœuvres d'intervention (incendies)
  • Incendies de végétation
DEF

Allumage de bandes parallèles adjacentes.

Spanish

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Record 3 2005-05-03

English

Subject field(s)
  • Fire-Fighting Techniques
  • Brush, Prairie and Forest Fires
DEF

Lighting a fire at the upwind or downhill edge of a unit, so that the fire spreads rapidly with the wind or uphill.

French

Domaine(s)
  • Manœuvres d'intervention (incendies)
  • Incendies de végétation
DEF

Allumage d'une bande de combustible en bordure d'une ligne d'arrêt de façon telle que le feu s'étendra dans la direction du vent et/ou montant la pente.

Spanish

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