CS 25.1450 Chemical oxygen generators

(a)For the purpose of this paragraph, 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 aeroplane or to its occupants.

(2)Means must be provided to relieve any internal pressure that may be hazardous.

(3)Comply with CS 25.795(d).

(c)In addition to meeting the requirements in sub-paragraph (b) of this paragraph, 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 litres 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 37.8°C (100°F).

[Amdt 25/17]