5.1.1. Inboard engine U.K.
All inboard mounted engines shall be placed within an enclosure separated from living quarters and installed so as to minimise the risk of fires or spread of fires as well as hazards from toxic fumes, heat, noise or vibrations in the living quarters.
Engine parts and accessories that require frequent inspection and/or servicing shall be readily accessible.
The insulating materials inside the engine compartment shall not sustain combustion.