Section 121.117

14 CFR Ch. I (1-1-19 Edition)
shall, after notification by the responsible Flight Standards office, make
those revisions in the system. Within
30 days after the certificate holder receives such notice, the certificate holder may file a petition to reconsider the
notice with the Executive Director,
Flight Standards Service. This filing of
a petition to reconsider stays the notice pending a decision by the Director,
Flight Standards Service. However, if
the responsible Flight Standards office
finds that there is an emergency that
requires immediate action in the interest of safety in air transportation, the
Executive Director, Flight Standards
Service may, upon a statement of the
reasons, require a change effective
without stay.

Section 121.117 Airports: Required data.
(a) No certificate holder conducting
supplemental operations may use any
airport unless it is properly equipped
and adequate for the proposed operation, considering such items as size,
surface, obstructions, facilities, public
protection, lighting, navigational and
communications aids, and ATC.
(b) Each certificate holder conducting supplemental operations must
show that it has an approved system
for obtaining, maintaining, and distributing to appropriate personnel current
aeronautical data for each airport it
uses to ensure a safe operation at that
airport. The aeronautical data must include the following:
(1) Airports.
(i) Facilities.
(ii) Public protection.
(iii) Navigational and communications aids.
(iv) Construction affecting takeoff,
landing, or ground operations.
(v) Air traffic facilities.
(2) Runways,
clearways,
and
stopways.
(i) Dimensions.
(ii) Surface.
(iii) Marking and lighting systems.
(iv) Elevation and gradient.
(3) Displaced thresholds.
(i) Location.
(ii) Dimensions.
(iii) Takeoff or landing or both.
(4) Obstacles.
(i) Those affecting takeoff and landing performance computations in accordance with Subpart I of this part.
(ii) Controlling obstacles.
(5) Instrument flight procedures.
(i) Departure procedure.
(ii) Approach procedure.
(iii) Missed approach procedure.
(6) Special information.
(i) Runway visual range measurement equipment.
(ii) Prevailing winds under low visibility conditions.
(c) If the responsible Flight Standards office charged with the overall inspection of the certificate holder-s operations finds that revisions are necessary for the continued adequacy of
the certificate holder-s system for collection, dissemination, and usage of
aeronautical data that has been granted approval, the certificate holder

[Doc. No. 6258, 29 FR 19195, Dec. 31, 1964, as
amended by Amdt. 121-162, 45 FR 46738, July
10, 1980; Amdt. 121-207, 54 FR 39293, Sept. 25,
1989; Amdt. 121-253, 61 FR 2610, Jan. 26, 1996;
Docket FAA-2018-0119, Amdt. 121-380, 83 FR
9172, 9173, Mar. 5, 2018]

Section 121.119 Weather reporting facilities.
(a) No certificate holder conducting
supplemental operations may use any
weather report to control flight unless
it was prepared and released by the
U.S. National Weather Service or a
source approved by the Weather Bureau. For operations outside the U.S.,
or at U.S. Military airports, where
those reports are not available, the certificate holder must show that its
weather reports are prepared by a
source found satisfactory by the Administrator.
(b) Each certificate holder conducting supplemental operations that
uses forecasts to control flight movements shall use forecasts prepared
from weather reports specified in paragraph (a) of this section.
[Doc. No. 6258, 29 FR 19195, Dec. 31, 1964, as
amended by Amdt. 121-76, 36 FR 13911, July
28, 1971; Amdt. 121-253, 61 FR 2611, Jan. 26,
1996]

Section 121.121 En route navigation facilities.
(a) Except as provided in paragraph
(b) of this section, no certificate holder
conducting supplemental operations
may conduct any operation over a
route (including to any destination, refueling or alternate airports) unless

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