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14 CFR Ch. I (1–1–19 Edition) 

§ 135.65 

shall keep a memorandum stating its 
elements, and of any amendments to it, 
for a period of at least one year after 
the execution of that contract or 
change. 

[Doc. No. 28154, 60 FR 65939, Dec. 20, 1995, as 
amended by Amdt. 135–65, 61 FR 30435, June 
14, 1996; Amdt. 135–66, 62 FR 13257, Mar. 19, 
1997] 

§ 135.65

Reporting mechanical irreg-

ularities. 

(a) Each certificate holder shall pro-

vide an aircraft maintenance log to be 
carried on board each aircraft for re-
cording or deferring mechanical irreg-
ularities and their correction. 

(b) The pilot in command shall enter 

or have entered in the aircraft mainte-
nance log each mechanical irregularity 
that comes to the pilot’s attention dur-
ing flight time. Before each flight, the 
pilot in command shall, if the pilot 
does not already know, determine the 
status of each irregularity entered in 
the maintenance log at the end of the 
preceding flight. 

(c) Each person who takes corrective 

action or defers action concerning a re-
ported or observed failure or malfunc-
tion of an airframe, powerplant, pro-
peller, rotor, or appliance, shall record 
the action taken in the aircraft main-
tenance log under the applicable main-
tenance requirements of this chapter. 

(d) Each certificate holder shall es-

tablish a procedure for keeping copies 
of the aircraft maintenance log re-
quired by this section in the aircraft 
for access by appropriate personnel and 
shall include that procedure in the 
manual required by § 135.21. 

§ 135.67

Reporting potentially haz-

ardous meteorological conditions 
and irregularities of ground facili-
ties or navigation aids. 

Whenever a pilot encounters a poten-

tially hazardous meteorological condi-
tion or an irregularity in a ground fa-
cility or navigation aid in flight, the 
knowledge of which the pilot considers 
essential to the safety of other flights, 
the pilot shall notify an appropriate 
ground radio station as soon as prac-
ticable. 

[Doc. No. 16097, 43 FR 46783, Oct. 1, 1978, as 
amended at Amdt. 135–1, 44 FR 26737, May 7, 
1979; Amdt. 135–110, 72 FR 31684, June 7, 2007] 

§ 135.69

Restriction or suspension of 

operations: Continuation of flight in 
an emergency. 

(a) During operations under this part, 

if a certificate holder or pilot in com-
mand knows of conditions, including 
airport and runway conditions, that 
are a hazard to safe operations, the cer-
tificate holder or pilot in command, as 
the case may be, shall restrict or sus-
pend operations as necessary until 
those conditions are corrected. 

(b) No pilot in command may allow a 

flight to continue toward any airport 
of intended landing under the condi-
tions set forth in paragraph (a) of this 
section, unless, in the opinion of the 
pilot in command, the conditions that 
are a hazard to safe operations may 
reasonably be expected to be corrected 
by the estimated time of arrival or, un-
less there is no safer procedure. In the 
latter event, the continuation toward 
that airport is an emergency situation 
under § 135.19. 

§ 135.71

Airworthiness check. 

The pilot in command may not begin 

a flight unless the pilot determines 
that the airworthiness inspections re-
quired by § 91.409 of this chapter, or 
§ 135.419, whichever is applicable, have 
been made. 

[Doc. No. 16097, 43 FR 46783, Oct. 10, 1978, as 
amended by Amdt. 135–32, 54 FR 34332, Aug. 
18, 1989] 

§ 135.73

Inspections and tests. 

Each certificate holder and each per-

son employed by the certificate holder 
shall allow the Administrator, at any 
time or place, to make inspections or 
tests (including en route inspections) 
to determine the holder’s compliance 
with the Federal Aviation Act of 1958, 
applicable regulations, and the certifi-
cate holder’s operating certificate, and 
operations specifications. 

§ 135.75

Inspectors credentials: Admis-

sion to pilots’ compartment: For-
ward observer’s seat. 

(a) Whenever, in performing the du-

ties of conducting an inspection, an 
FAA inspector presents an Aviation 
Safety Inspector credential, FAA Form 
110A, to the pilot in command of an 
aircraft operated by the certificate 
holder, the inspector must be given 

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