14 CFR · Part 27
14 CFR § 27.954
Fuel system lightning protection.
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.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
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