Text in force at CS29-12: from CS29-0, effective 14 Nov 2003.
(a) Each ext inguishing agent cont ainer must have a pressure rel ief t o prevent bursting of the container by excessive internal pressures.
(b) The discharge end of each discharge line from a pressure relief connection m ust be located so t hat di scharge of t he fi re ext inguishing agent would not dam age t he rot orcraft. The line must also be located or prot ected t o prevent cl ogging caused by ice or other foreign matter.
(c) There must be a m eans for each fire extinguishing agent cont ainer t o i ndicate t hat t he container has di scharged or that the charging pressure is b elow th e estab lished minimum necessary for proper functioning.
(d) The tem perature of each container must be maintained, under i ntended operat ing conditions, to prevent the pressure in the container from:
(1) Falling b elow th at n ecessary to provide an adequate rate of discharge; or
(2) Rising hi gh enough to cause premature discharge.
ED Decision 2003/016/RM · Source