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MISSED APPROACH SEGMENT

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15 NM (including turn distance) TD = amt of turn x radius 57.3 ... Change the radial we are flying out so they are not in the missed approach area. ... – PowerPoint PPT presentation

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Title: MISSED APPROACH SEGMENT


1
MISSED APPROACH SEGMENT
  • REFRESHER

2
AIM
  • Review missed approach criteria and missed
    approach variations

3
MISSED APPROACH SEGMENT
  • ALIGNMENT
  • AREA
  • OBSTACLE CLEARANCE

4
MISSED APPROACH OPTIONS
  • Straight Ahead
  • Turning
  • Combination Straight and Turning

5
AREA
  • Normally 15nm long
  • Width at start of area is the same as the final
    it joins
  • Width at end of area is 4nm of primary and 2nm of
    secondary area on each side of the course
  • In a turning missed approach the area is affected
    by three variables
  • width of the final at the missed approach point
  • aircraft approach categories
  • number of degrees in the turn
  • Must have positive course guidance to have
    secondary areas
  • Precision approach has 2 sections in missed
    approach

6
TURNING MISSED APPROACH RADII (NM)
  • Table 2-7

Obstacle
Approach
Flight Path
Clearance Radii
Category
Radii (R1)
(R)
A
2.6
1.3
B
2.8
1.4
C
3
1.5
D
3.5
1.75
E
5
2.5
7
MISSED APPROACH LENGTH
  • 15 NM (including turn distance)
  • TD amt of turn x radius 57.3
  • TD 69 deg x 2.5 nm 3.0 nm 57.3

8
1 nm
12 nm
2 nm
4 nm
9
A
A1
B
Secondary Area origin
A2
B1
10
1000 ft
200 ft/NM
MDA
152 ft/NM
HMAS
401 SLOPE
121 SLOPE
SECONDARY
SECONDARY
PRIMARY
11
5 X 6076/40 759.5
1370 ft
1459 ft
5 NM
2299 ft
2500 ft
12
1370 ft
(4.5 X 6076/40) (700/12) ?
1459 ft
683.6 58.3 741.9
4.5 NM
2299 ft
700
2500 ft
13
PENETRATING OBSTACLE OPTIONS
What do you think we can do about penetrating
obstacles?
  • Get rid of them. Cut them down or dismantle if
    possible.
  • Change the radial we are flying out so they are
    not in the missed approach area.
  • Publish a climb gradient which will ensure the
    aircraft will miss the obstacles.
  • Publish a higher MDA so that the aircraft will
    begin the missed approach higher.

14
ILS MISSED APPROACH
9860.69
3038.06
Section 1b
Section 1a
3038.06
Section 1c
15
STRAIGHT MISSED APPROACH
13.77 NM
DA
9860.69
2 NM
Secondary Area
4 NM
401 OCS
Primary Area
1NM
4 NM
Secondary Area
2 NM
16
MISSED APPROACH RATIONALE
200 ft/NM
400 HAT
152 ft/NM
200 HAT
3 GPA
120 HAT
330
28.51
341
35
78
ASBL
1460
8400
13.377 NM
17
CLIMB GRADIENT
  • What is the min climb gradient in the missed
    approach?

200 FT/NM
18
SUMMARY
Raven 17 in the MAP
Roger Raven 17 contact Dep 119.9 leaving 3000
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