ED Decision 2005/006/R
(a) Each
exhaust system must ensure safe disposal of exhaust gases without fire hazard
or carbon monoxide contamination in any personnel compartment. For test
purposes, any acceptable carbon monoxide detection method may be used to show
the absence of carbon monoxide.
(b) Each
exhaust system part with a surface hot enough to ignite flammable fluids or
vapours must be located or shielded so that leakage from any system carrying
flammable fluids or vapours will not result in a fire caused by impingement of
the fluids or vapours on any part of the exhaust system including shields for
the exhaust system.
(c) Each
component that hot exhaust gases could strike, or that could be subjected to
high temperatures from exhaust system parts, must be fireproof. All exhaust system components must be
separated by fireproof shields from adjacent parts of the aeroplane that are
outside the APU compartment.
(d) No
exhaust gases may discharge so as to cause a fire hazard with respect to any
flammable fluid vent or drain.
(e) Reserved
(f) Each
exhaust system component must be ventilated to prevent points of excessively
high temperature.
(g) Each
exhaust shroud must be ventilated or insulated to avoid, during normal
operation, a temperature high enough to ignite any flammable fluids or vapours
external to the shroud.
[Amdt 25/1]
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