487 

Federal Aviation Administration, DOT 

§ 135.369 

ance of a requirement unnecessary for 
safety. 

(i) The 10-mile width specified in 

§§ 135.369 through 135.373 may be re-
duced to 5 miles, for not more than 20 
miles, when operating under VFR or 
where navigation facilities furnish reli-
able and accurate identification of high 
ground and obstructions located out-
side of 5 miles, but within 10 miles, on 
each side of the intended track. 

(j) Each certificate holder operating 

a commuter category airplane shall 
comply with § 135.398. 

[Doc. No. 16097, 43 FR 46783, Oct. 10, 1978, as 
amended by Amdt. 135–21, 52 FR 1836, Jan. 15, 
1987] 

§ 135.364

Maximum flying time outside 

the United States. 

After August 13, 2008, no certificate 

holder may operate an airplane, other 
than an all-cargo airplane with more 
than two engines, on a planned route 
that exceeds 180 minutes flying time 
(at the one-engine-inoperative cruise 
speed under standard conditions in still 
air) from an Adequate Airport outside 
the continental United States unless 
the operation is approved by the FAA 
in accordance with Appendix G of this 
part, Extended Operations (ETOPS). 

[Doc. No. FAA–1999–6717, 73 FR 8798, Feb. 15, 
2008] 

§ 135.365

Large transport category air-

planes: Reciprocating engine pow-
ered: Weight limitations. 

(a) No person may take off a recipro-

cating engine powered large transport 
category airplane from an airport lo-
cated at an elevation outside of the 
range for which maximum takeoff 
weights have been determined for that 
airplane. 

(b) No person may take off a recipro-

cating engine powered large transport 
category airplane for an airport of in-
tended destination that is located at an 
elevation outside of the range for 
which maximum landing weights have 
been determined for that airplane. 

(c) No person may specify, or have 

specified, an alternate airport that is 
located at an elevation outside of the 
range for which maximum landing 
weights have been determined for the 
reciprocating engine powered large 
transport category airplane concerned. 

(d) No person may take off a recipro-

cating engine powered large transport 
category airplane at a weight more 
than the maximum authorized takeoff 
weight for the elevation of the airport. 

(e) No person may take off a recipro-

cating engine powered large transport 
category airplane if its weight on ar-
rival at the airport of destination will 
be more than the maximum authorized 
landing weight for the elevation of that 
airport, allowing for normal consump-
tion of fuel and oil en route. 

§ 135.367

Large transport category air-

planes: Reciprocating engine pow-
ered: Takeoff limitations. 

(a) No person operating a recipro-

cating engine powered large transport 
category airplane may take off that 
airplane unless it is possible— 

(1) To stop the airplane safely on the 

runway, as shown by the accelerate- 
stop distance data, at any time during 
takeoff until reaching critical-engine 
failure speed; 

(2) If the critical engine fails at any 

time after the airplane reaches crit-
ical-engine failure speed V

1

, to con-

tinue the takeoff and reach a height of 
50 feet, as indicated by the takeoff path 
data, before passing over the end of the 
runway; and 

(3) To clear all obstacles either by at 

least 50 feet vertically (as shown by the 
takeoff path data) or 200 feet hori-
zontally within the airport boundaries 
and 300 feet horizontally beyond the 
boundaries, without banking before 
reaching a height of 50 feet (as shown 
by the takeoff path data) and after 
that without banking more than 15 de-
grees. 

(b) In applying this section, correc-

tions must be made for any runway 
gradient. To allow for wind effect, 
takeoff data based on still air may be 
corrected by taking into account not 
more than 50 percent of any reported 
headwind component and not less than 
150 percent of any reported tailwind 
component. 

§ 135.369

Large transport category air-

planes: Reciprocating engine pow-
ered: En route limitations: All en-
gines operating. 

(a) No person operating a recipro-

cating engine powered large transport 
category airplane may take off that 

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