Cargo Compartment

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  • Topic: Active fire protection, Fire extinguisher, Smoke
  • Pages : 1 (299 words )
  • Download(s) : 58
  • Published : February 25, 2013
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CARGO COMPARTMENT CLASSIFICATION

Class A 
The presence of a fire would be easily discovered by a crewmember while at his or her station and each part of the compartment is easily accessible in flight. Class B 
There is a separate approved smoke detector or fire detector system to give warning at the pilot or flight engineer station. There is sufficient access in flight to enable a crewmember to effectively reach any part of the compartment with the contents of a hand fire extinguisher. When access provisions are being used, no hazardous quantity of smoke, flames, or suppression agent can enter any compartment occupied by the crew or passengers. There are means to control ventilation and drafts within the compartment. Class C

There is a separate approved smoke detector or fire detector system to give warning at the pilot or flight engineer station. There is an approved built-in fire extinguishing or suppression system controllable from the flight deck. There are means to exclude hazardous quantities of smoke, flames, or suppression agent from any compartment occupied by the crew or passengers. There are means to control ventilation and drafts within the compartment so that the suppression agent used can control any fire that may start within the compartment. Class E (allowed only on airplanes used strictly for carrying cargo) There is a separate approved smoke or fire detector system to give warning at the pilot or flight engineer station. There are means to shut off the ventilating airflow to, or within, the compartment, and the controls for these means are accessible to the flight crew in the crew compartment. There are means to exclude hazardous quantities of smoke, flames, or noxious gasses from the flight crew compartment. The required crew emergency exits are accessible under any cargo loading condition.
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