885
Federal Aviation Administration, DOT
§ 99.43
the contiguous U.S. ADIZ unless that
aircraft is equipped with a coded radar
beacon transponder and automatic
pressure altitude reporting equipment
having altitude reporting capability
that automatically replies to interro-
gations by transmitting pressure alti-
tude information in 100-foot incre-
ments.
(d) Paragraphs (b) and (c) of this sec-
tion do not apply to the operation of an
aircraft which was not originally cer-
tificated with an engine-driven elec-
trical system and which has not subse-
quently been certified with such a sys-
tem installed, a balloon, or a glider.
[Doc. No. 24903, 55 FR 8395, Mar. 7, 1990. Re-
designated at 69 FR 16756, Mar. 30, 2004]
§ 99.15
Position reports.
(a) The pilot of an aircraft operating
in or penetrating an ADIZ under IFR—
(1) In controlled airspace, must make
the position reports required in § 91.183;
and
(2) In uncontrolled airspace, must
make the position reports required in
this section.
(b) No pilot may operate an aircraft
penetrating an ADIZ under DVFR un-
less—
(1) The pilot reports to an appro-
priate aeronautical facility before pen-
etration: the time, position, and alti-
tude at which the aircraft passed the
last reporting point before penetration
and the estimated time of arrival over
the next appropriate reporting point
along the flight route;
(2) If there is no appropriate report-
ing point along the flight route, the
pilot reports at least 15 minutes before
penetration: The estimated time, posi-
tion, and altitude at which the pilot
will penetrate; or
(3) If the departure airport is within
an ADIZ or so close to the ADIZ bound-
ary that it prevents the pilot from
complying with paragraphs (b)(1) or (2)
of this section, the pilot must report
immediately after departure: the time
of departure, the altitude, and the esti-
mated time of arrival over the first re-
porting point along the flight route.
(c) In addition to any other reports
as ATC may require, no pilot in com-
mand of a foreign civil aircraft may
enter the United States through an
ADIZ unless that pilot makes the re-
ports required in this section or reports
the position of the aircraft when it is
not less that one hour and not more
that 2 hours average direct cruising
distance from the United States.
[69 FR 16756, Mar. 30, 2004]
§ 99.17
Deviation from flight plans and
ATC clearances and instructions.
(a) No pilot may deviate from the
provisions of an ATC clearance or ATC
instruction except in accordance with
§ 91.123 of this chapter.
(b) No pilot may deviate from the
filed IFR flight plan when operating an
aircraft in uncontrolled airspace unless
that pilot notifies an appropriate aero-
nautical facility before deviating.
(c) No pilot may deviate from the
filed DVFR flight plan unless that pilot
notifies an appropriate aeronautical fa-
cility before deviating.
[69 FR 16756, Mar. 30, 2004]
§§ 99.19–99.31
[Reserved]
Subpart B—Designated Air
Defense Identification Zones
§ 99.41
General.
The airspace above the areas de-
scribed in this subpart is established as
an ADIZ. The lines between points de-
scribed in this subpart are great circles
except that the lines joining adjacent
points on the same parallel of latitude
are rhumb lines.
[69 FR 16756, Mar. 30, 2004]
§ 99.43
Contiguous U.S. ADIZ.
The area bounded by a line from
43
°
15
′
N, 65
°
55
′
W; 44
°
21
′
N; 67
°
16
′
W; 43
°
10
′
N; 69
°
40
′
W; 41
°
05
′
N; 69
°
40
′
W; 40
°
32
′
N;
72
°
15
′
W; 39
°
55
′
N; 73
°
00
′
W; 39
°
38
′
N;
73
°
00
′
W; 39
°
36
′
N; 73
°
40
′
W; 37
°
00
′
N;
75
°
30
′
W; 36
°
10
′
N; 75
°
10
′
W; 35
°
10
′
N;
75
°
10
′
W; 32
°
00
′
N; 80
°
30
′
W; 30
°
30
′
N;
81
°
00
′
W; 26
°
40
′
N; 79
°
40
′
W; 25
°
00
′
N;
80
°
05
′
W; 24
°
25
′
N; 81
°
15
′
W; 24
°
20
′
N;
81
°
45
′
W; 24
°
30
′
N; 82
°
06
′
W; 24
°
41
′
N;
82
°
06
′
W; 24
°
43
′
N; 82
°
00
′
W; 25
°
00
′
N;
81
°
30
′
W; 25
°
10
′
N; 81
°
23
′
W; 25
°
35
′
N;
81
°
30
′
W; 26
°
15
′
N 82
°
20
′
W; 27
°
50
′
N;
83
°
05
′
W; 28
°
55
′
N; 83
°
30
′
W; 29
°
42
′
N;
84
°
00
′
W; 29
°
20
′
N; 85
°
00
′
W; 30
°
00
′
N;
87
°
10
′
W; 30
°
00
′
N; 88
°
30
′
W; 28
°
45
′
N;
88
°
55
′
W; 28
°
45
′
N; 90
°
00
′
W; 29
°
25
′
N;
94
°
00
′
W; 28
°
20
′
N; 96
°
00
′
W; 27
°
30
′
N;
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