CFR > Title 14 - Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER C—AIRCRAFT (parts 21 to 50) > PART 31—AIRWORTHINESS STANDARDS: MANNED FREE BALLOONS > SUBPART D—Design Construction (§31.31 to §31.65) > 31.55—Deflation means.

31.55—Deflation means.

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.

Code of Federal Regulations

[Amdt. 31-2, 30 FR 3377, Mar. 13, 1965]