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84 

14 CFR Ch. I (1–1–24 Edition) 

§ 121.91 

Subpart D—Rules Governing All 

Certificate Holders Under This 
Part 

[

Reserved

Subpart E—Approval of Routes: 

Domestic and Flag Operations 

S

OURCE

: Docket No. 6258, 29 FR 19194, Dec. 

31, 1964, unless otherwise noted. 

§ 121.91 Applicability. 

This subpart prescribes rules for ob-

taining approval of routes by certifi-
cate holders conducting domestic or 
flag operations. 

[Doc. No. 28154, 61 FR 2610, Jan. 26, 1996] 

§ 121.93 Route requirements: General. 

(a) Each certificate holder con-

ducting domestic or flag operations 
seeking a route approval must show— 

(1) That it is able to conduct satisfac-

torily scheduled operations between 
each regular, provisional, and refueling 
airport over that route or route seg-
ment; and 

(2) That the facilities and services re-

quired by §§ 121.97 through 121.107 are 
available and adequate for the proposed 
operation. 

The Administrator approves a route 
outside of controlled airspace if he de-
termines that traffic density is such 
that an adequate level of safety can be 
assured. 

(b) Paragraph (a) of this section does 

not require actual flight over a route 
or route segment if the certificate 
holder shows that the flight is not es-
sential to safety, considering the avail-
ability and adequacy of airports, light-
ing, maintenance, communication, 
navigation, fueling, ground, and air-
plane radio facilities, and the ability of 
the personnel to be used in the pro-
posed operation. 

[Doc. No. 6258, 29 FR 19194, Dec. 31, 1964, as 
amended by Amdt. 121–3, 30 FR 3638, Mar. 19, 
1965; Amdt. 121–253, 61 FR 2610, Jan. 26, 1996] 

§ 121.95 Route width. 

(a) Approved routes and route seg-

ments over U.S. Federal airways or for-
eign airways (and advisory routes in 
the case of certificate holders con-
ducting flag operations) have a width 
equal to the designated width of those 

airways or routes. Whenever the Ad-
ministrator finds it necessary to deter-
mine the width of other approved 
routes, he considers the following: 

(1) Terrain clearance. 
(2) Minimum en route altitudes. 
(3) Ground and airborne navigation 

aids. 

(4) Air traffic density. 
(5) ATC procedures. 
(b) Any route widths of other ap-

proved routes determined by the Ad-
ministrator are specified in the certifi-
cate holder’s operations specifications. 

[Doc. No. 6258, 29 FR 19194, Dec. 31, 1964, as 
amended by Amdt. 121–253, 61 FR 2610, Jan. 
26, 1996] 

§ 121.97 Airports: Required data. 

(a) Each certificate holder con-

ducting domestic or flag operations 
must show that each route it submits 
for approval has enough airports that 
are properly equipped and adequate for 
the proposed operation, considering 
such items as size, surface, obstruc-
tions, facilities, public protection, 
lighting, navigational and communica-
tions aids, and ATC. 

(b) Each certificate holder con-

ducting domestic or flag operations 
must show that it has an approved sys-
tem for obtaining, maintaining, and 
distributing to appropriate personnel 
current aeronautical data for each air-
port it uses to ensure a safe operation 
at that airport. The aeronautical data 
must include the following: 

(1)

Airports. 

(i)

Facilities. 

(ii) Public protection. After February 

15, 2008, for ETOPS beyond 180 minutes 
or operations in the North Polar area 
and South Polar area, this includes fa-
cilities at each airport or in the imme-
diate area sufficient to protect the pas-
sengers from the elements and to see to 
their welfare. 

(iii)

Navigational and communica-

tions 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.