313 

Federal Aviation Administration, DOT 

§ 125.9 

support the continued airworthiness of 
each airplane. 

[Doc. No. 19779, 45 FR 67235, Oct. 9, 1980, as 
amended by Amdt. 125–4, 47 FR 44719, Oct. 12, 
1982; Amdt. 125–5, 49 FR 34816, Sept. 4, 1984; 
Amdt. 125–6, 51 FR 873, Jan. 8, 1986; Amdt. 
125–9, 52 FR 20028, May 28, 1987; Amdt. 121–251, 
60 FR 65937, Dec. 20, 1995; Amdt. 125–31, 64 FR 
1080, Jan. 7, 1999; Amdt. 125–44, 68 FR 54585, 
Sept. 17, 2003; Amdt. 125–53, 72 FR 63412, Nov. 
8, 2007] 

§ 125.3

Deviation authority. 

(a) The Administrator may, upon 

consideration of the circumstances of a 
particular operation, issue deviation 
authority providing relief from speci-
fied sections of part 125. This deviation 
authority will be issued as a Letter of 
Deviation Authority. 

(b) A Letter of Deviation Authority 

may be terminated or amended at any 
time by the Administrator. 

(c) A request for deviation authority 

must be submitted to the responsible 
Flight Standards office, not less than 
60 days prior to the date of intended 
operations. A request for deviation au-
thority must contain a complete state-
ment of the circumstances and jus-
tification for the deviation requested. 

(d) After February 2, 2012, no devi-

ation authority from the flight data re-
corder requirements of this part will be 
granted. Any previously issued devi-
ation from the flight data recorder re-
quirements of this part is no longer 
valid. 

[Doc. No. 19779, 45 FR 67235, Oct. 9, 1980, as 
amended by Amdt. 125–13, 54 FR 39294, Sept. 
25, 1989; Amdt. 125–56, 73 FR 73179, Dec. 2, 
2008; Docket FAA–2018–0119, Amdt. 125–68, 83 
FR 9173, Mar. 5, 2018] 

§ 125.5

Operating certificate and oper-

ations specifications required. 

(a) After February 3, 1981, no person 

may engage in operations governed by 
this part unless that person holds a 
certificate and operations specification 
or appropriate deviation authority. 

(b) Applicants who file an application 

before June 1, 1981 shall continue to op-
erate under the rules applicable to 
their operations on February 2, 1981 
until the application for an operating 
certificate required by this part has 
been denied or the operating certificate 
and operations specifications required 
by this part have been issued. 

(c) The rules of this part which apply 

to a certificate holder also apply to 
any person who engages in any oper-
ation governed by this part without an 
appropriate certificate and operations 
specifications required by this part or a 
Letter of Deviation Authority issued 
under § 125.3. 

[Doc. No. 19779, 45 FR 67235, Oct. 9, 1980, as 
amended by Amdt. 125–1A, 46 FR 10903, Feb. 
5, 1981] 

§ 125.7

Display of certificate. 

(a) The certificate holder must dis-

play a true copy of the certificate in 
each of its aircraft. 

(b) Each operator holding a Letter of 

Deviation Authority issued under this 
part must carry a true copy in each of 
its airplanes. 

§ 125.9

Definitions. 

(a) For the purposes of this part, 

max-

imum payload capacity 

means: 

(1) For an airplane for which a max-

imum zero fuel weight is prescribed in 
FAA technical specifications, the max-
imum zero fuel weight, less empty 
weight, less all justifiable airplane 
equipment, and less the operating load 
(consisting of minimum flightcrew, 
foods and beverages and supplies and 
equipment related to foods and bev-
erages, but not including disposable 
fuel or oil): 

(2) For all other airplanes, the max-

imum certificated takeoff weight of an 
airplane, less the empty weight, less all 
justifiable airplane equipment, and less 
the operating load (consisting of min-
imum fuel load, oil, and flightcrew). 
The allowance for the weight of the 
crew, oil, and fuel is as follows: 

(i) Crew—200 pounds for each crew-

member required under this chapter 

(ii) Oil—350 pounds. 
(iii) Fuel—the minimum weight of 

fuel required under this chapter for a 
flight between domestic points 174 nau-
tical miles apart under VFR weather 
conditions that does not involve ex-
tended overwater operations. 

(b) For the purposes of this part, 

empty weight 

means the weight of the 

airframe, engines, propellers, and fixed 
equipment. Empty weight excludes the 
weight of the crew and payload, but in-
cludes the weight of all fixed ballast, 
unusable fuel supply, undrainable oil, 

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