Fuel system lightning protection.

CFR · 2024-01-01 · US · Title 14

The fuel system must be designed and arranged to prevent the ignition of fuel vapor within the system by— (a) Direct lightning strikes to areas having a high probability of stroke attachment; (b) Swept lightning strokes to areas where swept strokes are highly probable; or (c) Corona and streamering at fuel vent outlets.

official document · source cfr-2024 · id 14:§ 27.954