135.155 Fire extinguishers: Passenger-carrying aircraft.
No person may operate an aircraft carrying passengers unless it is
equipped with hand fire extinguishers of an approved type for use in crew
and passenger compartments as follows—
(a) The type and quantity of extinguishing agent must be suitable for the
kinds of fires likely to occur;
(b) At least one hand fire extinguisher must be provided and conveniently
located on the flight deck for use by the flight crew; and
(c) At least one hand fire extinguisher must be conveniently located in
the passenger compartment of each aircraft having a passenger seating
configuration, excluding any pilot seat, of at least 10 seats but less than
31 seats.