726
14 CFR Ch. I (1–1–14 Edition)
§ 91.175
unless a different altitude is assigned
by ATC. Upon reaching the final ap-
proach course or fix, the pilot may ei-
ther complete the instrument approach
in accordance with a procedure ap-
proved for the facility or continue a
surveillance or precision radar ap-
proach to a landing.
(j)
Limitation on procedure turns. In
the case of a radar vector to a final ap-
proach course or fix, a timed approach
from a holding fix, or an approach for
which the procedure specifies ‘‘No PT,’’
no pilot may make a procedure turn
unless cleared to do so by ATC.
(k)
ILS components. The basic compo-
nents of an ILS are the localizer, glide
slope, and outer marker, and, when in-
stalled for use with Category II or Cat-
egory III instrument approach proce-
dures, an inner marker. The following
means may be used to substitute for
the outer marker: Compass locator;
precision approach radar (PAR) or air-
port surveillance radar (ASR); DME,
VOR, or nondirectional beacon fixes
authorized in the standard instrument
approach procedure; or a suitable
RNAV system in conjunction with a fix
identified in the standard instrument
approach procedure. Applicability of,
and substitution for, the inner marker
for a Category II or III approach is de-
termined by the appropriate 14 CFR
part 97 approach procedure, letter of
authorization, or operations specifica-
tions issued to an operator.
(l)
Approach to straight-in landing op-
erations below DH, or MDA using an en-
hanced flight vision system (EFVS). For
straight-in instrument approach proce-
dures other than Category II or Cat-
egory III, no pilot operating under this
section or §§ 121.651, 125.381, and 135.225
of this chapter may operate an aircraft
at any airport below the authorized
MDA or continue an approach below
the authorized DH and land unless—
(1) The aircraft is continuously in a
position from which a descent to a
landing on the intended runway can be
made at a normal rate of descent using
normal maneuvers, and, for operations
conducted under part 121 or part 135 of
this chapter, the descent rate will
allow touchdown to occur within the
touchdown zone of the runway of in-
tended landing;
(2) The pilot determines that the en-
hanced flight visibility observed by use
of a certified enhanced flight vision
system is not less than the visibility
prescribed in the standard instrument
approach procedure being used;
(3) The following visual references for
the intended runway are distinctly
visible and identifiable to the pilot
using the enhanced flight vision sys-
tem:
(i) The approach light system (if in-
stalled); or
(ii) The following visual references in
both paragraphs (l)(3)(ii)(A) and (B) of
this section:
(A) The runway threshold, identified
by at least one of the following:
(
1) The beginning of the runway land-
ing surface;
(
2) The threshold lights; or
(
3) The runway end identifier lights.
(B) The touchdown zone, identified
by at least one of the following:
(
1) The runway touchdown zone land-
ing surface;
(
2) The touchdown zone lights;
(
3) The touchdown zone markings; or
(
4) The runway lights.
(4) At 100 feet above the touchdown
zone elevation of the runway of in-
tended landing and below that altitude,
the flight visibility must be sufficient
for the following to be distinctly visi-
ble and identifiable to the pilot with-
out reliance on the enhanced flight vi-
sion system to continue to a landing:
(i) The lights or markings of the
threshold; or
(ii) The lights or markings of the
touchdown zone;
(5) The pilot(s) is qualified to use an
EFVS as follows—
(i) For parts 119 and 125 certificate
holders, the applicable training, test-
ing and qualification provisions of
parts 121, 125, and 135 of this chapter;
(ii) For foreign persons, in accord-
ance with the requirements of the civil
aviation authority of the State of the
operator; or
(iii) For persons conducting any
other operation, in accordance with the
applicable currency and proficiency re-
quirements of part 61 of this chapter;
(6) For parts 119 and 125 certificate
holders, and part 129 operations speci-
fications holders, their operations
VerDate Mar<15>2010
20:48 Jan 30, 2014
Jkt 232047
PO 00000
Frm 00736
Fmt 8010
Sfmt 8010
Q:\14\14V2.TXT
ofr150
PsN: PC150