14 C.F.R. § 31.55 Deflation means.
Title 14 - Aeronautics and Space
There must be a means to allow emergency deflation of the envelope so as to allow a safe emergency landing. If a system other than a manual system is used, the reliability of the system used must be substantiated. [Amdt. 31–2, 30 FR 3377, Mar. 13, 1965]
Title 14: Aeronautics and Space
PART 31—AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS
Subpart D—Design Construction
§ 31.55 Deflation means.
