Crewmember interphone system.

CFR · 2024-01-01 · US · Title 14

(a) No person may operate an airplane with a seating capacity of more than 19 passengers unless the airplane is equipped with a crewmember interphone system that: (1) [Reserved] (2) Is capable of operation independent of the public address system required by § 121.318(a) except for handsets, headsets, microphones, selector switches, and signaling devices; and (3) Meets the requirements of paragraph (b) of this section. (b) The crewmember interphone system required by paragraph (a) of this section must be approved in accordance with § 21.305 of this chapter and meet the following requirements: (1) It must provide a means of two-way communication between the pilot compartment and— (i) Each passenger compartment; and (ii) Each galley located on other than the main passenger deck level. (2) It must be accessible for immediate use from each of two flight crewmember stations in the pilot compartment; (3) It must be accessible for use from at least one normal flight attendant station in each passenger compartment; (4) It must be capable of operation within 10 seconds by a flight attendant at those stations in each passenger compartment from which its use is accessible; and (5) For large turbojet-powered airplanes: (i) It must be accessible for use at enough flight attendant stations so that all floor-level emergency exits (or entryways to those exits in the case of exits located within galleys) in each passenger compartment are observable from one or more of those stations so equipp

official document · source cfr-2024 · id 14:§ 121.319