14 CFR · Part 27
14 CFR § 27.783
Doors.
(a)
Each closed cabin must have at least one adequate and easily accessible external door.
(b)
Each external door must be located where persons using it will not be endangered by the rotors, propellers, engine intakes, and exhausts when appropriate operating procedures are used. If opening procedures are required, they must be marked inside, on or adjacent to the door opening device.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
Primary Source