218 

14 CFR Ch. I (1–1–19 Edition) 

§ 121.619 

§ 121.619

Alternate airport for destina-

tion: IFR or over-the-top: Domestic 
operations. 

(a) No person may dispatch an air-

plane under IFR or over-the-top unless 
he lists at least one alternate airport 
for each destination airport in the dis-
patch release. When the weather condi-
tions forecast for the destination and 
first alternate airport are marginal at 
least one additional alternate must be 
designated. However, no alternate air-
port is required if for at least 1 hour 
before and 1 hour after the estimated 
time of arrival at the destination air-
port 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 § 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] 

§ 121.621

Alternate airport for destina-

tion: Flag operations. 

(a) No person may dispatch an air-

plane under IFR or over-the-top unless 
he lists at least one alternate airport 
for each destination airport in the dis-
patch 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 esti-
mated time of arrival at the destina-
tion airport, the appropriate weather 
reports or forecasts, or any combina-
tion 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 air-
port; or 

(ii) At least 1,500 feet above the low-

est published instrument approach 
minimum or 2,000 feet above the air-
port 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 § 121.641(b) or 
§ 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] 

§ 121.623

Alternate airport for destina-

tion: IFR or over-the-top: Supple-
mental operations. 

(a) Except as provided in paragraph 

(b) of this section, each person releas-
ing 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 op-
erations where the aircraft carries 
enough fuel to meet the requirements 
of §§ 121.643 and 121.645 for flights out-
side the 48 contiguous States and the 
District of Columbia over routes with-
out an available alternate airport for a 
particular airport of destination. 

(c) For the purposes of paragraph (a) 

of this section, the weather require-
ments at the alternate airport must 
meet the requirements of the certifi-
cate holder’s operations specifications. 

(d) No person may release a flight un-

less 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] 

§ 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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