778 

14 CFR Ch. I (1–1–19 Edition) 

§ 91.607 

(1) The takeoff weight does not ex-

ceed the takeoff weight specified in the 
Airplane Flight Manual for the ele-
vation of the airport and for the ambi-
ent temperature existing at the time of 
takeoff; 

(2) Normal consumption of fuel and 

oil in flight to the airport of intended 
landing and to the alternate airports 
will leave a weight on arrival not in ex-
cess of the landing weight specified in 
the Airplane Flight Manual for the ele-
vation of each of the airports involved 
and for the ambient temperatures ex-
pected at the time of landing; 

(3) The takeoff weight does not ex-

ceed the weight shown in the Airplane 
Flight Manual to correspond with the 
minimum distances required for take-
off, considering the elevation of the 
airport, the runway to be used, the ef-
fective runway gradient, the ambient 
temperature and wind component at 
the time of takeoff, and, if operating 
limitations exist for the minimum dis-
tances required for takeoff from wet 
runways, the runway surface condition 
(dry or wet). Wet runway distances as-
sociated with grooved or porous fric-
tion course runways, if provided in the 
Airplane Flight Manual, may be used 
only for runways that are grooved or 
treated with a porous friction course 
(PFC) overlay, and that the operator 
determines are designed, constructed, 
and maintained in a manner acceptable 
to the Administrator. 

(4) Where the takeoff distance in-

cludes a clearway, the clearway dis-
tance is not greater than one-half of— 

(i) The takeoff run, in the case of air-

planes certificated after September 30, 
1958, and before August 30, 1959; or 

(ii) The runway length, in the case of 

airplanes certificated after August 29, 
1959. 

(c) No person may take off a turbine- 

engine-powered transport category air-
plane certificated after August 29, 1959, 
unless, in addition to the requirements 
of paragraph (b) of this section— 

(1) The accelerate-stop distance is no 

greater than the length of the runway 
plus the length of the stopway (if 
present); and 

(2) The takeoff distance is no greater 

than the length of the runway plus the 
length of the clearway (if present); and 

(3) The takeoff run is no greater than 

the length of the runway. 

[Doc. No. 18334, 54 FR 34318, Aug. 18, 1989, as 
amended by Amdt. 91–256, 63 FR 8321, Feb. 18, 
1998] 

§ 91.607

Emergency exits for airplanes 

carrying passengers for hire. 

(a) Notwithstanding any other provi-

sion of this chapter, no person may op-
erate a large airplane (type certificated 
under the Civil Air Regulations effec-
tive before April 9, 1957) in passenger- 
carrying operations for hire, with more 
than the number of occupants— 

(1) Allowed under Civil Air Regula-

tions § 4b.362 (a), (b), and (c) as in effect 
on December 20, 1951; or 

(2) Approved under Special Civil Air 

Regulations SR–387, SR–389, SR–389A, 
or SR–389B, or under this section as in 
effect. 

However, an airplane type listed in the 
following table may be operated with 
up to the listed number of occupants 
(including crewmembers) and the cor-
responding number of exits (including 
emergency exits and doors) approved 
for the emergency exit of passengers or 
with an occupant-exit configuration 
approved under paragraph (b) or (c) of 
this section. 

Airplane type 

Maximum num-

ber of occupants 

including all 

crewmembers 

Corresponding 

number of exits 

authorized for 

passenger use 

B–307 ........................

61 4 

B–377 ........................

96 9 

C–46 ..........................

67 4 

CV–240 ......................

53 6 

CV–340 and CV–440 

53 

6 

DC–3 .........................

35 4 

DC–3 (Super) ............

39 

5 

DC–4 .........................

86 5 

DC–6 .........................

87 7 

DC–6B .......................

112 11 

L–18 ...........................

17 3 

L–049, L–649, L–749 

87 

7 

L–1049 series ............

96 

9 

M–202 ........................

53 6 

M–404 ........................

53 7 

Viscount 700 series ...

53 

7 

(b) Occupants in addition to those au-

thorized under paragraph (a) of this 
section may be carried as follows: 

(1) For each additional floor-level 

exit at least 24 inches wide by 48 inches 
high, with an unobstructed 20-inch- 
wide access aisleway between the exit 
and the main passenger aisle, 12 addi-
tional occupants. 

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