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Forum: Tech Log

9th Jun 2011, 08:22

Replies: 2,070

AF447 Thread No. 3

Views: 615,994

Posted By NigelOnDraft

Your suggestion might be valid if the...

Your suggestion might be valid if the certification authorities / manufacturer / design process determined:

It is worth giving a Stall Warning from a vane that requires, let us say, 60K to give a...

Forum: Tech Log

9th Jun 2011, 07:14

Replies: 2,070

AF447 Thread No. 3

Views: 615,994

Posted By NigelOnDraft

You miss my point! The Stall warning, quite...

You miss my point! The Stall warning, quite correctly, demands immediate, and usually unquestioning, reaction from the crew - and that reaction may endanger the aircraft and occupants - see NTSB...

Forum: Tech Log

8th Jun 2011, 15:32

Replies: 2,070

AF447 Thread No. 3

Views: 615,994

Posted By NigelOnDraft

OK - even when the spec/manufacturer of the vane...

OK - even when the spec/manufacturer of the vane says the IAS is way below the validity of the vane's spec? I'd rather not...

Please go back to your basic training... if you are a pilot? The...

Forum: Tech Log

8th Jun 2011, 14:34

Replies: 2,070

AF447 Thread No. 3

Views: 615,994

Posted By NigelOnDraft

First of all, AIRSPEED UNRELIABLE may only be,...

First of all, AIRSPEED UNRELIABLE may only be, indeed probably is, "crew assessed" not aircraft (if the aircraft assesses it it will "deal" with it).

Next, even if the crew do assess it, they do...

Forum: Tech Log

5th Jun 2011, 12:31

Replies: 2,070

AF447 Thread No. 3

Views: 615,994

Posted By NigelOnDraft

Hi BOAC Your latter point is correct to me......

Hi BOAC Your latter point is correct to me... they "aren't" (or rather, don't need to).

You do not fundamentally fly the aircraft "differently" in each of the laws. Pull stick back, cows get...

Forum: Tech Log

4th Jun 2011, 10:31

Replies: 2,070

AF447 Thread No. 3

Views: 615,994

Posted By NigelOnDraft

HN39 My understanding is that Stall Warning is...

HN39 My understanding is that Stall Warning is available in Normal Law - however, AoA protection means that you should not get to the AoA required to trigger it. Perpignan showed this where there...

Forum: Tech Log

30th May 2011, 08:38

Replies: 2,070

AF447 Thread No. 3

Views: 615,994

Posted By NigelOnDraft

A few points: Pitch Trim is always available to...

A few points:
Pitch Trim is always available to the pilots (save double Hyd failure).. just move the wheel and overrides all FBW. However, you'd have to be pretty confident / assertive to do it...

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