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Federal Aviation Administration, DOT 

Pt. 135, App. G 


For A330/A340 series airplanes, aileron resolution = 0.704% (0.352°>0.100°). For A330/A340 series airplanes, spoiler resolu-

tion = 1.406% (0.703°>0.100°). 


For A330/A340 series airplanes, resolution = 0.30% (0.176°>0.12°). For A330/A340 series airplanes, seconds per sampling 

interval = 1. 


For B–717 series airplanes, resolution = .005g. For Dassault F900C/F900EX airplanes, resolution = .007g. 


For A330/A340 series airplanes, resolution = 1.05% (0.250°>0.120°). 


For A330/A340 series airplanes, resolution = 1.05% (0.250°>0.120°). For A300 B2/B4 series airplanes, resolution = 0.92% 



For A330/A340 series airplanes, spoiler resolution = 1.406% (0.703°>0.100°). 


For A330/A340 series airplanes, resolution = 0.5 °C. 


For Dassault F900C/F900EX airplanes, Radio Altitude resolution = 1.25 ft. 


For A330/A340 series airplanes, resolution = 0.352 degrees. 


For A318/A319/A320/A321 series airplanes, resolution = 4.32%. For A330/A340 series airplanes, resolution is 3.27% of full 

range for throttle lever angle (TLA); for reverse thrust, reverse throttle lever angle (RLA) resolution is nonlinear over the active 
reverse thrust range, which is 51.54 degrees to 96.14 degrees. The resolved element is 2.8 degrees uniformly over the entire ac-
tive reverse thrust range, or 2.9% of the full range value of 96.14 degrees. 


For A318/A319/A320/A321 series airplanes, with IAE engines, resolution = 2.58%. 


For all aircraft manufactured on or after December 6, 2010, the seconds per sampling interval is 0.125. Each input must be 

recorded at this rate. Alternately sampling inputs (interleaving) to meet this sampling interval is prohibited. 

[Doc. No. 28109, 62 FR 38398, July 17, 1997; 62 FR 48135, Sept. 12, 1997; Amdt. 135–85, 67 FR 54323, 
Aug. 21, 2002; Amdt. 135–89, 68 FR 42939, July 18, 2003; 68 FR 50069, Aug. 20, 2003; Amdt. 135– 
113, 73 FR 12570, Mar. 7, 2008; Amdt. 135–121, 75 FR 17047, Apr. 5, 2010; Amdt. 135–120, 75 FR 7357, 
Feb. 19, 2010; Docket FAA–2017–0733, Amdt. 135–137, 82 FR 34399, July 25, 2017] 















Adequate Airport means an airport 

that an airplane operator may list with ap-
proval from the FAA because that airport 
meets the landing limitations of § 135.385 or 
is a military airport that is active and oper-


ETOPS Alternate Airport means an 

adequate airport that is designated in a dis-
patch or flight release for use in the event of 
a diversion during ETOPS. This definition 
applies to flight planning and does not in 
any way limit the authority of the pilot in 
command during flight. 


ETOPS Entry Point means the 

first point on the route of an ETOPS flight, 
determined using a one-engine inoperative 
cruise speed under standard conditions in 
still air, that is more than 180 minutes from 
an adequate airport. 


ETOPS Qualified Person means a 

person, performing maintenance for the cer-
tificate holder, who has satisfactorily com-
pleted the certificate holder’s ETOPS train-
ing program. 




General.  After August 13, 2008, no 

certificate holder may operate an airplane, 
other than an all-cargo airplane with more 
than two engines, outside the continental 
United States more than 180 minutes flying 
time (at the one-engine-inoperative cruise 
speed under standard conditions in still air) 
from an airport described in § 135.364 unless— 

(a) The certificate holder receives ETOPS 

approval from the FAA; 

(b) The operation is conducted in a multi- 

engine transport category turbine-powered 

(c) The operation is planned to be no more 

than 240 minutes flying time (at the one en-
gine inoperative cruise speed under standard 

conditions in still air) from an airport de-
scribed in § 135.364; and 

(d) The certificate holder meets the re-

quirements of this appendix. 

G135.2.2 Required certificate holder experience 

prior to conducting ETOPS. 

Before applying for ETOPS approval, the 

certificate holder must have at least 12 
months experience conducting international 
operations (excluding Canada and Mexico) 
with multi-engine transport category tur-
bine-engine powered airplanes. The certifi-
cate holder may consider the following expe-
rience as international operations: 

(a) Operations to or from the State of Ha-


(b) For certificate holders granted ap-

proval to operate under part 135 or part 121 
before February 15, 2007, up to 6 months of 
domestic operating experience and oper-
ations in Canada and Mexico in multi-engine 
transport category turbojet-powered air-
planes may be credited as part of the re-
quired 12 months of international experience 
required by paragraph G135.2.2(a) of this ap-

(c) ETOPS experience with other aircraft 

types to the extent authorized by the FAA. 


Airplane requirements. No certifi-

cate holder may conduct ETOPS in an air-
plane that was manufactured after February 
17, 2015 unless the airplane meets the stand-
ards of § 25.1535. 


Crew information requirements. The 

certificate holder must ensure that flight 
crews have in-flight access to current weath-
er and operational information needed to 
comply with § 135.83, § 135.225, and § 135.229. 
This includes information on all ETOPS Al-
ternate Airports, all destination alternates, 
and the destination airport proposed for each 
ETOPS flight. 


Operational Requirements. 

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