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-   -   Required ground elements Cat II/Cat III (https://www.pprune.org/tech-log/565482-required-ground-elements-cat-ii-cat-iii.html)

JammedStab 1st August 2015 07:46

Required ground elements Cat II/Cat III
 
As we are supposed to do a missed approach before the DH or AH on low visibility approaches if any of the required elements on the ground becomes inoperative, I would like to see a publication that says what these elements are.

Any info would be appreciated.

B737900er 1st August 2015 09:14

Look at the downgraded/fail table in Eu-ops or similar.

https://www.google.co.uk/url?sa=t&rc...99261572,d.ZGU

ACMS 2nd August 2015 10:31

Funny guy, I'm pretty sure he's not referring to the LOC or GS :=

Probably lights, standby power, marker beacons etc etc.

Things that aren't obvious and need a table.

We used to have it in our OPS A but now it's in our NAVTECH guide under:-
-Route documents
-Minima

This table is not intended to be checked below 1,000' AAL, it's up to the commander to continue or not if a failure occurs below 1,000' AAL.

Amadis of Gaul 2nd August 2015 14:22

Good airmanship would suggest that any hiccup that might constitute a threat to aircraft safety on a CAT II/III approach would warrant another turn 'round the pattern, especially if ABOVE DH/AH. I mean, I'm paid by the minute, what's the rush, let's go around and sort out what's going on.

JammedStab 3rd August 2015 04:53

Thanks 737 and ACMS. It looks like in most cases, the company provides this info to us. However, that does not appear to be the case for me. I was hoping for a link from an official source. The link in the first reply is much appreciated, but appears to be a homemade document with a lot of corrections.

Plus I wonder if there are differences between FAA and European ops.

ACMS 3rd August 2015 06:10

Mr Gaul:---maybe but you'd look pretty stupid to do a missed approach if the approach lights failed in CAT3......some things we just should know where to look up quickly.

JammedStab 3rd August 2015 08:01


Originally Posted by ACMS (Post 9068020)
Mr Gaul:---maybe but you'd look pretty stupid to do a missed approach if the approach lights failed in CAT3......some things we just should know where to look up quickly.

True....if approach lighting and sequenced flashers are inop, WE can continue for CAT III.

Amadis of Gaul 3rd August 2015 09:43

Indeed, Mr ACMS, which is why I specified a "hiccup that might constitute a threat to aircraft safety". Approach lights failure would probably not qualify for such a designation seeing as in a true CAT III situation I might not see them even if they're operating peachily.


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