{"data":{"id":"us/14-cfr-29.303","jurisdiction":"us","citation":"14 CFR 29.303","heading":"Factor of safety.","body":"Unless otherwise provided, a factor of safety of 1.5 must be used. This factor applies to external and inertia loads unless its application to the resulting internal stresses is more conservative.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—AIRCRAFT","PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT","Subpart C—Strength Requirements"],"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":"5d7e7bf8c050873b5dc267194336718009748f180320e641dbee5b891d01b508","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-29.301","next":"us/14-cfr-29.305"},"notice":"GroundRules: Original legal text. Not legal advice."}