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CRM results ?
20.06.2007
Submission:
Has anyone seen these types of results from the ILS CRM? The lower the OCA the lower the risk?? What do I do in this situation? Prohibit a missed approach before OCA?
------------------------------------------------------------------------------
PRELIMINARY RESULTS FOR ILS CATEGORY I
|
SPEED |
TYPE OF REPORT |
OCA/H |
TOTAL |
HIGHEST RISK OBSTACLE |
|||
|
CAT. |
|
|
METRES |
RISK |
IDENT |
DESCRIPTION |
RISK |
|
A |
SPECIFIED |
OCA |
120 |
1.5E-08 |
A |
SPOT_HEIGHT |
9.8E-09 |
|
A |
MINIMUM |
OCA |
71 |
9.9E-08 |
A |
TREE |
8.9E-08 |
|
A |
HIGHER |
OCA |
286 |
3.4E-06 |
A |
TREE |
2.4E-06 |
|
A |
HIGHEST |
OCA |
304 |
2.8E-06 |
A |
ROCK |
1.7E-06 |
|
B |
SPECIFIED |
OCA |
120 |
1.5E-08 |
A |
SPOT_HEIGHT |
9.8E-09 |
|
B |
MINIMUM |
OCA |
75 |
9.3E-08 |
A |
TREE |
8.0E-08 |
|
B |
HIGHER |
OCA |
285 |
3.7E-06 |
A |
TREE |
2.4E-06 |
|
B |
HIGHEST |
OCA |
304 |
3.2E-06 |
A |
TREE |
1.9E-06 |
|
C |
SPECIFIED |
OCA |
120 |
1.6E-08 |
A |
TREE |
1.1E-08 |
|
C |
MINIMUM |
OCA |
80 |
7.1E-08 |
A |
TREE |
5.7E-08 |
|
C |
HIGHER |
OCA |
290 |
3.9E-06 |
A |
TREE |
2.7E-06 |
|
C |
HIGHEST |
OCA |
304 |
3.7E-06 |
A |
TREE |
2.5E-06 |
|
D |
SPECIFIED |
OCA |
120 |
1.6E-08 |
A |
TREE |
1.2E-08 |
|
D |
MINIMUM |
OCA |
84 |
8.7E-08 |
A |
TREE |
6.6E-08 |
|
D |
HIGHER |
OCA |
294 |
4.3E-06 |
A |
TREE |
2.9E-06 |
|
D |
HIGHEST |
OCA |
304 |
4.1E-06 |
A |
TREE |
3.0E-06 |
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Someone mentioned that I should just take the highest value but I disagree. The higher one does not meet the 1E-07 requirements, whereas the lower ones actually do.
Herman Groenewald
IATA-Africa Manager
Safety Operations & Infrastructure
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