---
kind: "section"
citation: "14 C.F.R. § 25.1450"
title: "14"
number: "25.1450"
heading: "Chemical oxygen generators."
url: "https://uscodex.org/cfr/14/25.1450"
---

# §25.1450. Chemical oxygen generators.

- (a) For the purpose of this section, a chemical oxygen generator is defined as a device which produces oxygen by chemical reaction.
- (b) Each chemical oxygen generator must be designed and installed in accordance with the following requirements:
  - (1) Surface temperature developed by the generator during operation may not create a hazard to the airplane or to its occupants.
  - (2) Means must be provided to relieve any internal pressure that may be hazardous.
  - (3) Except as provided in SFAR 109, each chemical oxygen generator installation must meet the requirements of [§ 25.795(d)](/cfr/14/25.795.md?p=d).
- (c) In addition to meeting the requirements in [paragraph (b)](#b) of this section, each portable chemical oxygen generator that is capable of sustained operation by successive replacement of a generator element must be placarded to show—
  - (1) The rate of oxygen flow, in liters per minute;
  - (2) The duration of oxygen flow, in minutes, for the replaceable generator element; and
  - (3) A warning that the replaceable generator element may be hot, unless the element construction is such that the surface temperature cannot exceed 100 degrees F.

## Notes

### Amendments

[Amdt. 25-41, 42 FR 36971, July 18, 1977, as amended at 79 FR 13519, Mar. 11, 2014]

### Authority

Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701, 44702 and 44704; Pub. L. 115-254, 132 Stat 3281 (49 U.S.C. 44903 note).

### Source

Source: Docket No. 5066, 29 FR 18291, Dec. 24, 1964, unless otherwise noted.

### Amendments

[Amdt. 25-41, 42 FR 36971, July 18, 1977, as amended at 79 FR 13519, Mar. 11, 2014]