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807 

Federal Aviation Administration, DOT 

§ 91.1037 

§ 91.1037

Large transport category air-

planes: Turbine engine powered; 
Limitations; Destination and alter-
nate airports. 

(a) No program manager or any other 

person may permit a turbine engine 
powered large transport category air-
plane on a program flight to take off 
that airplane at a weight that (allow-
ing for normal consumption of fuel and 
oil in flight to the destination or alter-
nate airport) the weight of the airplane 
on arrival would exceed the landing 
weight in the Airplane Flight Manual 
for the elevation of the destination or 
alternate airport and the ambient tem-
perature expected at the time of land-
ing. 

(b) Except as provided in paragraph 

(c) of this section, no program manager 
or any other person may permit a tur-
bine engine powered large transport 
category airplane on a program flight 
to take off that airplane unless its 
weight on arrival, allowing for normal 
consumption of fuel and oil in flight (in 
accordance with the landing distance 
in the Airplane Flight Manual for the 
elevation of the destination airport and 
the wind conditions expected there at 
the time of landing), would allow a full 
stop landing at the intended destina-
tion airport within 60 percent of the ef-
fective length of each runway described 
below from a point 50 feet above the 
intersection of the obstruction clear-
ance plane and the runway. For the 
purpose of determining the allowable 
landing weight at the destination air-
port, the following is assumed: 

(1) The airplane is landed on the most 

favorable runway and in the most fa-
vorable direction, in still air. 

(2) The airplane is landed on the most 

suitable runway considering the prob-
able wind velocity and direction and 
the ground handling characteristics of 
that airplane, and considering other 
conditions such as landing aids and ter-
rain. 

(c) A program manager or other per-

son flying a turbine engine powered 
large transport category airplane on a 
program flight may permit that air-
plane to take off at a weight in excess 
of that allowed by paragraph (b) of this 
section if all of the following condi-
tions exist: 

(1) The operation is conducted in ac-

cordance with an approved Destination 
Airport Analysis in that person’s pro-
gram operating manual that contains 
the elements listed in § 91.1025(o). 

(2) The airplane’s weight on arrival, 

allowing for normal consumption of 
fuel and oil in flight (in accordance 
with the landing distance in the Air-
plane Flight Manual for the elevation 
of the destination airport and the wind 
conditions expected there at the time 
of landing), would allow a full stop 
landing at the intended destination air-
port within 80 percent of the effective 
length of each runway described below 
from a point 50 feet above the intersec-
tion of the obstruction clearance plane 
and the runway. For the purpose of de-
termining the allowable landing weight 
at the destination airport, the fol-
lowing is assumed: 

(i) The airplane is landed on the most 

favorable runway and in the most fa-
vorable direction, in still air. 

(ii) The airplane is landed on the 

most suitable runway considering the 
probable wind velocity and direction 
and the ground handling characteris-
tics of that airplane, and considering 
other conditions such as landing aids 
and terrain. 

(3) The operation is authorized by 

management specifications. 

(d) No program manager or other per-

son may select an airport as an alter-
nate airport for a turbine engine pow-
ered large transport category airplane 
unless (based on the assumptions in 
paragraph (b) of this section) that air-
plane, at the weight expected at the 
time of arrival, can be brought to a full 
stop landing within 80 percent of the 
effective length of the runway from a 
point 50 feet above the intersection of 
the obstruction clearance plane and 
the runway. 

(e) Unless, based on a showing of ac-

tual operating landing techniques on 
wet runways, a shorter landing dis-
tance (but never less than that re-
quired by paragraph (b) or (c) of this 
section) has been approved for a spe-
cific type and model airplane and in-
cluded in the Airplane Flight Manual, 
no person may take off a turbojet air-
plane when the appropriate weather re-
ports or forecasts, or any combination 
of them, indicate that the runways at 

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