§ 91.607 14 CFR Ch. I (1–1–19 Edition)

(1) The takeoff weight does not ex- (3) The takeoff run is no greater than ceed the takeoff weight specified in the the length of the . Airplane Manual for the ele- [Doc. No. 18334, 54 FR 34318, Aug. 18, 1989, as vation of the and for the ambi- amended by Amdt. 91–256, 63 FR 8321, Feb. 18, ent temperature existing at the time of 1998] takeoff; (2) Normal consumption of fuel and § 91.607 Emergency exits for airplanes oil in flight to the airport of intended carrying passengers for hire. landing and to the alternate (a) Notwithstanding any other provi- will leave a weight on arrival not in ex- sion of this chapter, no person may op- cess of the landing weight specified in erate a large airplane (type certificated the Airplane Flight Manual for the ele- under the Civil Air Regulations effec- vation of each of the airports involved tive before April 9, 1957) in passenger- and for the ambient temperatures ex- carrying operations for hire, with more pected at the time of landing; than the number of occupants— (3) The takeoff weight does not ex- (1) Allowed under Civil Air Regula- ceed the weight shown in the Airplane tions § 4b.362 (a), (b), and (c) as in effect Flight Manual to correspond with the on December 20, 1951; or minimum distances required for take- (2) Approved under Special Civil Air off, considering the elevation of the Regulations SR–387, SR–389, SR–389A, airport, the runway to be used, the ef- or SR–389B, or under this section as in fective runway gradient, the ambient effect. temperature and wind component at However, an airplane type listed in the the time of takeoff, and, if operating following table may be operated with limitations exist for the minimum dis- up to the listed number of occupants tances required for takeoff from wet (including crewmembers) and the cor- runways, the runway surface condition responding number of exits (including (dry or wet). Wet runway distances as- emergency exits and doors) approved sociated with grooved or porous fric- for the emergency exit of passengers or tion course runways, if provided in the with an occupant-exit configuration Airplane Flight Manual, may be used approved under paragraph (b) or (c) of only for runways that are grooved or this section. treated with a porous friction course Maximum num- Corresponding (PFC) overlay, and that the operator ber of occupants number of exits determines are designed, constructed, Airplane type including all authorized for and maintained in a manner acceptable crewmembers passenger use to the Administrator. B–307 ...... 61 4 (4) Where the takeoff distance in- B–377 ...... 96 9 C–46 ...... 67 4 cludes a clearway, the clearway dis- CV–240 ...... 53 6 tance is not greater than one-half of— CV–340 and CV–440 53 6 (i) The takeoff run, in the case of air- DC–3 ...... 35 4 DC–3 (Super) ...... 39 5 planes certificated after September 30, DC–4 ...... 86 5 1958, and before August 30, 1959; or DC–6 ...... 87 7 (ii) The runway length, in the case of DC–6B ...... 112 11 L–18 ...... 17 3 airplanes certificated after August 29, L–049, L–649, L–749 87 7 1959. L–1049 series ...... 96 9 (c) No person may take off a turbine- M–202 ...... 53 6 M–404 ...... 53 7 engine-powered transport category air- Viscount 700 series ... 53 7 plane certificated after August 29, 1959, unless, in addition to the requirements (b) Occupants in addition to those au- of paragraph (b) of this section— thorized under paragraph (a) of this (1) The accelerate-stop distance is no section may be carried as follows: greater than the length of the runway (1) For each additional floor-level plus the length of the stopway (if exit at least 24 inches wide by 48 inches present); and high, with an unobstructed 20-inch- (2) The takeoff distance is no greater wide access aisleway between the exit than the length of the runway plus the and the main passenger aisle, 12 addi- length of the clearway (if present); and tional occupants.

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(2) For each additional window exit § 91.609 Flight data recorders and located over a wing that meets the re- voice recorders. quirements of the airworthiness stand- (a) No holder of an air carrier oper- ards under which the airplane was type ating certificate or an operating cer- certificated or that is large enough to tificate may conduct any operation inscribe an ellipse 19 × 26 inches, eight under this part with an listed additional occupants. in the holder’s operations specifica- (3) For each additional window exit tions or current list of aircraft used in that is not located over a wing but that air transportation unless that aircraft otherwise complies with paragraph complies with any applicable flight re- (b)(2) of this section, five additional oc- corder and cockpit voice recorder re- cupants. quirements of the part under which its (4) For each airplane having a ratio certificate is issued except that the op- (as computed from the table in para- erator may— graph (a) of this section) of maximum (1) Ferry an aircraft with an inoper- number of occupants to number of ative or cockpit voice recorder from a place where repair or exits greater than 14:1, and for each replacement cannot be made to a place airplane that does not have at least where they can be made; one full-size, door-type exit in the side (2) Continue a flight as originally of the in the rear part of the planned, if the flight recorder or cock- cabin, the first additional exit must be pit voice recorder becomes inoperative a floor-level exit that complies with after the aircraft has taken off; paragraph (b)(1) of this section and (3) Conduct an airworthiness flight must be located in the rear part of the test during which the flight recorder or cabin on the opposite side of the fuse- cockpit voice recorder is turned off to lage from the main entrance door. test it or to test any communications However, no person may operate an or electrical equipment installed in the airplane under this section carrying aircraft; or more than 115 occupants unless there is (4) Ferry a newly acquired aircraft such an exit on each side of the fuse- from the place where possession of it is lage in the rear part of the cabin. taken to a place where the flight re- (c) No person may eliminate any ap- corder or cockpit voice recorder is to proved exit except in accordance with be installed. the following: (b) Notwithstanding paragraphs (c) (1) The previously authorized max- and (e) of this section, an operator imum number of occupants must be re- other than the holder of an air carrier duced by the same number of addi- or a commercial operator certificate tional occupants authorized for that may— exit under this section. (1) Ferry an aircraft with an inoper- (2) Exits must be eliminated in ac- ative flight recorder or cockpit voice cordance with the following priority recorder from a place where repair or schedule: First, non-over-wing window replacement cannot be made to a place exits; second, over-wing window exits; where they can be made; (2) Continue a flight as originally third, floor-level exits located in the planned if the flight recorder or cock- forward part of the cabin; and fourth, pit voice recorder becomes inoperative floor-level exits located in the rear of after the aircraft has taken off; the cabin. (3) Conduct an airworthiness flight (3) At least one exit must be retained test during which the flight recorder or on each side of the fuselage regardless cockpit voice recorder is turned off to of the number of occupants. test it or to test any communications (4) No person may remove any exit or electrical equipment installed in the that would result in a ratio of max- aircraft; imum number of occupants to approved (4) Ferry a newly acquired aircraft exits greater than 14:1. from a place where possession of it was (d) This section does not relieve any taken to a place where the flight re- person operating under part 121 of this corder or cockpit voice recorder is to chapter from complying with § 121.291. be installed; or

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