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Search: Posts Made By: BOAC
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Forum: Tech Log
16th Dec 2014, 15:29
Replies: 1,678
Views: 534,276
Posted By BOAC

- I wish they had adopted my boxing glove...

- I wish they had adopted my boxing glove system....:sad:
Forum: Tech Log
17th Oct 2014, 17:11
Replies: 1,678
Views: 534,276
Posted By BOAC

- you are still 'missing it'! Not in the case of...

- you are still 'missing it'! Not in the case of 447, it didn't. The pilots had no idea what they were doing, coupled with a design fault in the stall warning logic, so the system just carried on...
Forum: Tech Log
17th Oct 2014, 16:27
Replies: 1,678
Views: 534,276
Posted By BOAC

- starting to widen? In terms of the 'big...

- starting to widen? In terms of the 'big picture' it is a lot worse when autotrim takes you out of 'acceptable' areas when flying manually as with Airbus, but still bad when it does it in autopilot...
Forum: Tech Log
17th Oct 2014, 07:10
Replies: 1,678
Views: 534,276
Posted By BOAC

As I said, narrow focus. My suggestion was to...

As I said, narrow focus. My suggestion was to limit autotrim, full stop.
Forum: Tech Log
16th Oct 2014, 21:37
Replies: 1,678
Views: 534,276
Posted By BOAC

- try post #792. Your focus is too narrow. In...

- try post #792. Your focus is too narrow. In each autotrim caused major problems.
Forum: Tech Log
16th Oct 2014, 16:59
Replies: 1,678
Views: 534,276
Posted By BOAC

- I say! Steady on! You'll be expecting crews to...

- I say! Steady on! You'll be expecting crews to actually fly the aeroplane next................
Forum: Tech Log
16th Oct 2014, 08:58
Replies: 1,678
Views: 534,276
Posted By BOAC

I assume that is AB? It certainly would be the...

I assume that is AB? It certainly would be the 'pilot' in a 737. So, for AB, a limit of less than 12 could be used but it might require a positive action to over-ride in some situations - eg your...
Forum: Tech Log
16th Oct 2014, 07:53
Replies: 1,678
Views: 534,276
Posted By BOAC

- not easy with that - I would like the option to...

- not easy with that - I would like the option to trim for a one-off really extreme condition, but in your latter case there should indeed be no problem having to hold back stick for the duration of...
Forum: Tech Log
16th Oct 2014, 07:26
Replies: 1,678
Views: 534,276
Posted By BOAC

- agreed, but if I may make a plea - while this...

- agreed, but if I may make a plea - while this thread is about 447, it should really be expanded to cover all instances of autotrim which have caused numerous LOC incidents. It appears that we can...
Forum: Tech Log
15th Oct 2014, 18:20
Replies: 1,678
Views: 534,276
Posted By BOAC

- don't Boeings have it too?

- don't Boeings have it too?
Forum: Tech Log
15th Oct 2014, 17:03
Replies: 1,678
Views: 534,276
Posted By BOAC

- precisely. It does, however, hide from a crew...

- precisely. It does, however, hide from a crew that extra cue that the speed is reducing when it should not be. In 'the old days', you would need to keep applying back stick until you ran out of...
Forum: Tech Log
15th Oct 2014, 16:37
Replies: 1,678
Views: 534,276
Posted By BOAC

- it is not a 're-direction'. It is a...

- it is not a 're-direction'. It is a contributary factor. Without it one hopes this deficient crew (and THY at AMS, and TOM at BOH and........and....) would have noticed the need to keep trimming?
Forum: Tech Log
15th Oct 2014, 15:27
Replies: 1,678
Views: 534,276
Posted By BOAC

I saw it, OK, before you were 'trashed':ok: ...

I saw it, OK, before you were 'trashed':ok:

To cut a long story short - has anyone - FAA/CAA/EASA/Airbus/Boeing come up with a solution to what appears to be a burgeoning 'blackman in the...
Forum: Tech Log
14th Oct 2014, 19:02
Replies: 1,678
Views: 534,276
Posted By BOAC

- are we talking deflection or effect? I have no...

- are we talking deflection or effect? I have no knowledge of AB THS angles, but what would full deflection at 2ANU achieve? I see mention of THS 13 in AF447 - is that 'sensible'? Presumably CofG and...
Forum: Tech Log
14th Oct 2014, 17:48
Replies: 1,678
Views: 534,276
Posted By BOAC

- perfect! So, 2 things will happen 1) The...

- perfect! So, 2 things will happen

1) The crew will know they have reached a practical, 'sensible' limit

2) 447 would have eventually run out of nose up elevator and the nose would have...
Forum: Tech Log
14th Oct 2014, 17:06
Replies: 1,678
Views: 534,276
Posted By BOAC

So, we are back to having something saying...

So, we are back to having something saying "That's enough mose-up THS, boys and girls - if you really want more push this over-ride button" - what is wrong with the concept?

EDIT For 'mose' read...
Forum: Tech Log
12th Oct 2014, 15:34
Replies: 1,678
Views: 534,276
Posted By BOAC

- hi - missed you around here. Way back I...

- hi - missed you around here. Way back I suggested that THS movement should be STOPPED at some suitable angle and require an over-ride to continue trimming, this in the hope that 'automatons' might...
Forum: Tech Log
19th Jun 2014, 16:12
Replies: 1,678
Views: 534,276
Posted By BOAC

- this is the crux of the matter. We can talk...

- this is the crux of the matter. We can talk about 'startle'/'fright'/PIOs/FBW/UAS training/QRHs etc etc until the cows come home, but as PJ characteristically has pointed out, there was a big...
Forum: Tech Log
17th May 2014, 12:55
Replies: 1,678
Views: 534,276
Posted By BOAC

- I don't believe it - the Oozlum bird is off...

- I don't believe it - the Oozlum bird is off again. Could someone PLEASE put this poster out of their misery?
Showing results 1 to 19 of 19


 
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