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6
VOR NAVIGATION
VOR
station
0°
10°
20°
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
140°
150°
160°
170°
180°
190°
200°
210°
220°
230°
240°
250°
260°
270°
280°
290°
300°
310°
320°
330°
340°
350°
N
Magnetic
north
Desired course
Aircraft heading 40
°
123.65
VORTAC
SEATTLE
116.8 Ch 115 SEA
THE AIRCRAFT IS ON COURSE
VOR
station
0°
10°
20°
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
140°
150°
160°
170°
180°
190°
200°
210°
220°
230°
240°
250°
260°
270°
280°
290°
300°
310°
320°
330°
340°
350°
N
Magnetic
north
Aircraft should be
heading 40
°
Aircraft heading 46
°
(6° off course)
Flown course
123.65
VORTAC
SEATTLE
116.8 Ch 115 SEA
THE AIRCRAFT IS OFF COURSE
The course deviation indicator ap-
pears when the aircraft is off
course.In this example, the aircraft
is 6 degrees off course to the left.
The pilot must turn more than 6
degrees right to get back on
course.
VOR NAVIGATION