Section 121.619

14 CFR Ch. I (1-1-19 Edition)

Section 121.619 Alternate airport for destination: IFR or over-the-top: Domestic
operations.
(a) No person may dispatch an airplane under IFR or over-the-top unless
he lists at least one alternate airport
for each destination airport in the dispatch release. When the weather conditions forecast for the destination and
first alternate airport are marginal at
least one additional alternate must be
designated. However, no alternate airport is required if for at least 1 hour
before and 1 hour after the estimated
time of arrival at the destination airport the appropriate weather reports or
forecasts, or any combination of them,
indicate - 
(1) The ceiling will be at least 2,000
feet above the airport elevation; and
(2) Visibility will be at least 3 miles.
(b) For the purposes of paragraph (a)
of this section, the weather conditions
at the alternate airport must meet the
requirements of Section 121.625.
(c) No person may dispatch a flight
unless he lists each required alternate
airport in the dispatch release.
[Doc. No. 6258, 29 FR 19222, Dec. 31, 1964, as
amended by Amdt. 121-159, 45 FR 41594, June
19, 1980]

Section 121.621 Alternate airport for destination: Flag operations.
(a) No person may dispatch an airplane under IFR or over-the-top unless
he lists at least one alternate airport
for each destination airport in the dispatch release, unless - 
(1) The flight is scheduled for not
more than 6 hours and, for at least 1
hour before and 1 hour after the estimated time of arrival at the destination airport, the appropriate weather
reports or forecasts, or any combination of them, indicate the ceiling will
be:
(i) At least 1,500 feet above the lowest
circling MDA, if a circling approach is
required and authorized for that airport; or
(ii) At least 1,500 feet above the lowest published instrument approach
minimum or 2,000 feet above the airport elevation, whichever is greater;
and
(iii) The visibility at that airport will
be at least 3 miles, or 2 miles more
than the lowest applicable visibility

minimums, whichever is greater, for
the instrument approach procedures to
be used at the destination airport; or
(2) The flight is over a route approved
without an available alternate airport
for a particular destination airport and
the airplane has enough fuel to meet
the requirements of Section 121.641(b) or
Section 121.645(c).
(b) For the purposes of paragraph (a)
of this section, the weather conditions
at the alternate airport must meet the
requirements of the certificate holder-s
operations specifications.
(c) No person may dispatch a flight
unless he lists each required alternate
airport in the dispatch release.
[Doc. No. 6258, 29 FR 19222, Dec. 31, 1964, as
amended by Amdt. 121-159, 45 FR 41594, June
19, 1980; Amdt. 121-253, 61 FR 2614, Jan. 26,
1996]

Section 121.623 Alternate airport for destination: IFR or over-the-top: Supplemental operations.
(a) Except as provided in paragraph
(b) of this section, each person releasing an aircraft for operation under IFR
or over-the-top shall list at least one
alternate airport for each destination
airport in the flight release.
(b) An alternate airport need not be
designated for IFR or over-the-top operations where the aircraft carries
enough fuel to meet the requirements
of SectionSection 121.643 and 121.645 for flights outside the 48 contiguous States and the
District of Columbia over routes without an available alternate airport for a
particular airport of destination.
(c) For the purposes of paragraph (a)
of this section, the weather requirements at the alternate airport must
meet the requirements of the certificate holder-s operations specifications.
(d) No person may release a flight unless he lists each required alternate
airport in the flight release.
[Doc. No. 6258, 29 FR 19222, Dec. 31, 1964, as
amended by Amdt. 121-253, 61 FR 2614, Jan.
26, 1996]

Section 121.624

ETOPS Alternate Airports.

(a) No person may dispatch or release
an airplane for an ETOPS flight unless
enough ETOPS Alternate Airports are
listed in the dispatch or flight release
such that the airplane remains within

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