§29.1183 Lines, fittings, and components

(a) Except as provi ded i n sub-paragraph (b), each line, fitting, and other com ponent carrying flammable fluid in any area subject to engine fire conditions and each component which conveys or contains flammable fluid in a desi gnated fire zone must be fire resistant, except that flam mable fluid tanks and support s i n a designated fire zone must be fireproof or be enclosed by a fi reproof shi eld unless damage by fire t o any non-fi reproof part will not cause leakage o r sp illage o f flam mable fluid. Components must be shi elded or l ocated so as t o safeguard agai nst t he i gnition of leaking flammable fluid. An integral oil sump of less than 24 litres (5 .2 Im perial g allons/25 US-q uart) capacity on a reci procating engi ne need not be fireproof nor be enclosed by a fireproof shield. (b) Sub-paragraph (a) does not apply to: (1) Lines, fittings, and com ponents which are al ready approved as part of a t ype certificated engine; and (2) Vent and drai n l ines, and t heir fittings, wh ose failu re will n ot resu lt in or add to, a fire hazard.