Text in force at CS29-12: from CS29-0, effective 14 Nov 2003.
The fuel system must be designed and arranged to prevent t he i gnition of fuel vapour wi thin t he system by:
(a) Direct lightning strikes t o areas havi ng a high probability of stroke attachment;
(b) Swept l ightning st rokes t o areas where swept strokes are highly probable; and
(c) Corona and st reamering at fuel vent outlets.
ED Decision 2003/016/RM · Source