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|  CHAPTER FOUR
T-6A INSTRUMENT NAVIGATION
PARALLEL PROCEDURE
TEARDROP PROCEDURE
TURN LEFT TO PARALLEL
TURN IN SHORTEST
RECIPROCAL OF HOLDING
DIRECTION TO HEADING
A
COURSE
30 LESS THAN RECIPROCAL
B
OF HOLDING COURSE
70
20
110
180
20
DIRECT ENTRY PROCEDURE
TURN RIGHT TO RECIPROCAL
C
OF HOLDING COURSE
Figure 4-12 Standard Holding
10. Non-standard Holding
a.
Sector A (TEARDROP). If the reciprocal of the holding course is between the
heading index and 70 to the left of the heading index, make a teardrop entry. This is
accomplished by turning in the shortest direction (left or right) to a heading 30 more
than the reciprocal of the holding course.
b.
Sector B (PARALLEL). If the reciprocal of the holding course is between the
heading index and 110 to the right of the heading index, make a right turn to parallel
the holding course reciprocal.
c.
Sector C (DIRECT ENTRY). If the reciprocal of the holding course does not meet
the criteria listed in A or B above, turn left to the reciprocal of the holding course.
PARALLEL PROCEDURE
TEARDROP PROCEDURE
TURN RIGHT TO PARALLEL
TURN IN SHORTEST
A
RECIPROCAL OF HOLDING
DIRECTION TO HEADING
COURSE
30 MORE THAN RECIPROCAL
B
OF HOLDING COURSE
20
70
110
180
20
DIRECT ENTRY PROCEDURE
TURN LEFT TO RECIPROCAL
OF HOLDING COURSE
C
Figure 4-13 Non-Standard Holding
4-34 INSTRUMENT NAVIGATION
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