---
kind: "section"
citation: "14 C.F.R. § 31.55"
title: "14"
number: "31.55"
heading: "Deflation means."
url: "https://uscodex.org/cfr/14/31.55"
---

# §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.


## Notes

### Amendments

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

### Authority

Authority: 49 U.S.C. 106(g), 40113, 44701-44702, 44704.

### Source

Source: Docket No. 1437, 29 FR 8258, July 1, 1964, as amended by Amdt. 31-1, 29 FR 14563, Oct. 24, 1964, unless otherwise noted.

### Amendments

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