Você tem isso marcado tanto pela FAA quanto pela ICAO, mas para as FAA controladas por
§ 121.309 Emergency equipment.
(c)Hand fire extinguishers for crew, passenger, cargo, and galley compartments. Hand fire extinguishers of an approved type must be provided for use in crew, passenger, cargo, and galley compartments in accordance with the following:
(1) The type and quantity of extinguishing agent must be suitable for the kinds of fires likely to occur in the compartment where the extinguisher is intended to be used and, for passenger compartments, must be designed to minimize the hazard of toxic gas concentrations.
(2)Cargo compartments. At least one hand fire extinguisher must be conveniently located for use in each class E cargo compartment that is accessible to crewmembers during flight.
(3)Galley compartments. At least one hand fire extinguisher must be conveniently located for use in each galley located in a compartment other than a passenger, cargo, or crew compartment.
(4)Flightcrew compartment. At least one hand fire extinguisher must be conveniently located on the flight deck for use by the flightcrew.
(5)Passenger compartments. Hand fire extinguishers for use in passenger compartments must be conveniently located and, when two or more are required, uniformly distributed throughout each compartment. Hand fire extinguishers shall be provided in passenger compartments as follows:
(i) For airplanes having passenger se ats accommodating more than 6 but fewer than 31 passengers, at least one.
(ii) For airplanes having passenger se ats accommodating more than 30 but fewer than 61 passengers, at least two.
(iii) For airplanes having passenger se ats accommodating more than 60 passengers, there must be at least the following number of hand fire extinguishers:
Minimum Number of Hand Fire Extinguishers Passenger seating accommodations:
61 through 200: 3
201 through 300: 4
301 through 400: 5
401 through 500: 6
501 through 600: 7
601 or more: 8
(6) Notwithstanding the requirement for uniform distribution of hand fire extinguishers as prescribed in paragraph (c)(5) of this section, for those cases where a galley is located in a passenger compartment, at least one hand fire extinguisher must be conveniently located and easily accessible for use in the galley.
(7) At least two of the required hand fire extinguisher installed in passenger-carrying airplanes must contain Halon 1211 (bromochlorofluoromethane) or equivalent as the extinguishing agent. At least one hand fire extinguisher in the passenger compartment must contain Halon 1211 or equivalent.
Você também pode encontrar algumas informações pertinentes aqui .