{"data":{"id":"us/14-cfr-27.954","jurisdiction":"us","citation":"14 CFR 27.954","heading":"Fuel system lightning protection.","body":"The fuel system must be designed and arranged to prevent the ignition of fuel vapor within the system by—\n(a) Direct lightning strikes to areas having a high probability of stroke attachment;\n(b) Swept lightning strokes to areas where swept strokes are highly probable; or\n(c) Corona and streamering at fuel vent outlets.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—AIRCRAFT","PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT","Subpart E—Powerplant"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-14.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:20Z","sha256":"dc5bb99709d58eabc4ef6ea0e5e8a4160f24bb449112d0d2768f0f985f71fe14","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-27.953","next":"us/14-cfr-27.955"},"notice":"GroundRules: Original legal text. Not legal advice."}