For fire detection and extinguishing purposes, aircraft powerplant areas are divided into fire zones based on
- the volume and smoothness of the airflow through engine compartments.
- engine type and size.
- hot and cold sections of the engine.
Explanation from PART66Online
Powerplant areas are divided into fire zones according to the engine's hot and cold sections, because the fire risk, airflow and required detection differ between, for example, the combustion/turbine area and the cooler accessory and intake areas. Zoning is not based simply on engine type, size or airflow smoothness alone.
J
Jordi asked · 10 Jul 2020
i think this asnwer is also wrong my pdf says "The zoning layout will depend on the characteristics of the
individual engin"
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