765 

Federal Aviation Administration, DOT 

§ 91.607 

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 

number of oc-

cupants in-

cluding all 

crewmembers 

Corresponding 

number of 

exits author-
ized for pas-

senger 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. 

(2) For each additional window exit 

located over a wing that meets the re-
quirements of the airworthiness stand-
ards under which the airplane was type 
certificated or that is large enough to 
inscribe an ellipse 19

×

26 inches, eight 

additional occupants. 

(3) For each additional window exit 

that is not located over a wing but that 
otherwise complies with paragraph 
(b)(2) of this section, five additional oc-
cupants. 

(4) For each airplane having a ratio 

(as computed from the table in para-
graph (a) of this section) of maximum 
number of occupants to number of 
exits greater than 14:1, and for each 
airplane that does not have at least 
one full-size, door-type exit in the side 
of the fuselage in the rear part of the 
cabin, the first additional exit must be 
a floor-level exit that complies with 
paragraph (b)(1) of this section and 
must be located in the rear part of the 
cabin on the opposite side of the fuse-
lage from the main entrance door. 
However, no person may operate an 
airplane under this section carrying 
more than 115 occupants unless there is 
such an exit on each side of the fuse-
lage in the rear part of the cabin. 

(c) No person may eliminate any ap-

proved exit except in accordance with 
the following: 

(1) The previously authorized max-

imum number of occupants must be re-
duced by the same number of addi-
tional occupants authorized for that 
exit under this section. 

(2) Exits must be eliminated in ac-

cordance with the following priority 
schedule: First, non-over-wing window 
exits; second, over-wing window exits; 
third, floor-level exits located in the 
forward part of the cabin; and fourth, 
floor-level exits located in the rear of 
the cabin. 

(3) At least one exit must be retained 

on each side of the fuselage regardless 
of the number of occupants. 

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