Federal Aviation Administration, DOT

Section 125.51

Section 125.39 Carriage of narcotic drugs,
marihuana, and depressant or stimulant drugs or substances.
If the holder of a certificate issued
under this part permits any airplane
owned or leased by that holder to be
engaged in any operation that the certificate holder knows to be in violation
of Section 91.19(a) of this chapter, that operation is a basis for suspending or revoking the certificate.
[Doc. No. 19779, 45 FR 67235, Oct. 9, 1980, as
amended by Amdt. 125-12, 54 FR 34331, Aug.
18, 1989]

Section 125.41 Availability of certificate and
operations specifications.
Each certificate holder shall make
its operating certificate and operations
specifications available for inspection
by the Administrator at its principal
operations base.
Section 125.43 Use of operations specifications.
(a) Each certificate holder shall keep
each of its employees informed of the
provisions of its operations specifications that apply to the employee-s duties and responsibilities.
(b) Each certificate holder shall
maintain a complete and separate set
of its operations specifications. In addition, each certificate holder shall insert pertinent excerpts of its operations specifications, or reference
thereto, in its manual in such a manner that they retain their identity as
operations specifications.
Section 125.45 Inspection authority.
Each certificate holder shall allow
the Administrator, at any time or
place, to make any inspections or tests
to determine its compliance with the
Federal Aviation Act of 1958, the Federal Aviation Regulations, its operating certificate and operations specifications, its letter of deviation authority, or its eligibililty to continue to
hold its certificate or its letter of deviation authority.
Section 125.47 Change of address.
Each certificate holder shall notify
the responsible Flight Standards office
charged with the overall inspection of
its operations, in writing, at least 30
days in advance, of any change in the

address of its principal business office,
its principal operations base, or its
principal maintenance base.
[Docket No. 19779, 45 FR 67235, Oct. 9, 1980, as
amended by Docket FAA-2018-0119, Amdt.
125-68, 83 FR 9173, Mar. 5, 2018]

Section 125.49

Airport requirements.

(a) No certificate holder may use any
airport unless it is adequate for the
proposed operation, considering such
items as size, surface, obstructions,
and lighting.
(b) No pilot of an airplane carrying
passengers at night may take off from,
or land on, an airport unless - 
(1) That pilot has determined the
wind direction from an illuminated
wind direction indicator or local
ground communications, or, in the case
of takeoff, that pilot-s personal observations; and
(2) The limits of the area to be used
for landing or takeoff are clearly
shown by boundary or runway marker
lights.
(c) For the purposes of paragraph (b)
of this section, if the area to be used
for takeoff or landing is marked by
flare pots or lanterns, their use must
be approved by the Administrator.
Section 125.51

En route navigation facilities.

(a) Except as provided in paragraph
(b) of this section, no certificate holder
may conduct any operation over a
route (including to any destination, refueling or alternate airports) unless
suitable navigation aids are available
over the route to navigate the airplane
along the route within the degree of accuracy required for ATC. Navigation
aids required for routes outside of controlled airspace are listed in the certificate holder-s operations specifications except for those aids required for
routes to alternate airports.
(b) Navigation aids are not required
for any of the following operations - 
(1) Day VFR operations that the certificate holder shows can be conducted
safely by pilotage because of the characteristics of the terrain;
(2) Night VFR operations on routes
that the certificate holder shows have
reliably lighted landmarks adequate
for safe operations; and

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