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Forum: Tech Log

15th Jun 2011, 18:33

Replies: 51

A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure

Views: 23,292

Posted By Microburst2002

A3TWANTY yes you are. The two "rogue" ADRs,...

A3TWANTY

yes you are. The two "rogue" ADRs, which are equally wrong, reject the other one, which is correct. Democracy sometimes is bad ;)

So you still have two "healthy" ADRs. there is no...

Forum: Tech Log

14th Jun 2011, 09:33

Replies: 51

A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure

Views: 23,292

Posted By Microburst2002

shortfuel that's the point Is there a...

shortfuel

that's the point

Is there a pitch/thurst setting which will do the job for any unsafe condition (stalled, impending stall, ovespeed...)? If it exists, they should tell us.

In the...

Forum: Tech Log

13th Jun 2011, 11:56

Replies: 51

A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure

Views: 23,292

Posted By Microburst2002

If you are in a stall, setting that pitch and...

If you are in a stall, setting that pitch and thrust might not be enough to get out of it.

It is very advisable to note pitch and thrust for every cruising level, so you can detect abnormal...

Forum: Tech Log

12th Jun 2011, 19:02

Replies: 51

A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure

Views: 23,292

Posted By Microburst2002

Thanks Tyro and aristoclis Still, if a level...

Thanks Tyro and aristoclis

Still, if a level off is necessary to carry out the procedure there should be something in the procedure telling how to achieve that.

This is one thing I would...

Forum: Tech Log

12th Jun 2011, 07:49

Replies: 51

A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure

Views: 23,292

Posted By Microburst2002

As Shaka pointed out, if you are deep in the sh*t...

As Shaka pointed out, if you are deep in the sh*t when you realise that speed is unreliable it can be absolutely useless to set cruise pitch and speed.

If it is not, or there is a pitch and thrust...

Forum: Tech Log

11th Jun 2011, 16:53

Replies: 51

A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure

Views: 23,292

Posted By Microburst2002

I see your point, Shaka so there can't be a...

I see your point, Shaka

so there can't be a pitch/thrust setting for a high altitude scenario?
in that case, maybe the extra memory item in the procedure could give pitch and thrust to establish...

Forum: Tech Log

10th Jun 2011, 19:38

Replies: 51

A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure

Views: 23,292

Posted By Microburst2002

Of course Im sure that maintaining altitude...

Of course

Im sure that maintaining altitude with 2.5 or 3 degrees and about 85% N1 will give you about .76 at most of the typical flight levels and weights in cruise.

But they should include a...

Forum: Tech Log

10th Jun 2011, 16:39

Replies: 51

A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure

Views: 23,292

Posted By Microburst2002

hadn't thought of that one! regarding the...

hadn't thought of that one!

regarding the thrust, if in SPEED, thrust will kept at idle as long as speed is much faster than target.

So in this case the high speed protection is trying to kill...

Forum: Tech Log

8th Jun 2011, 17:52

Replies: 51

A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure

Views: 23,292

Posted By Microburst2002

If there are accelerometers and valid aTTitude,...

If there are accelerometers and valid aTTitude, inertial V/S is easy to obtain.

Or they can install a dedicated accelerometer. There must be a thousand ways of achieving a reliable instrument to...

Forum: Tech Log

7th Jun 2011, 17:13

Replies: 51

A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure

Views: 23,292

Posted By Microburst2002

the other flaw is what the heck is "if safe...

the other flaw is

what the heck is "if safe conduct of the flight is affected"

In my opinion, every time you have an unreliable speed safety is inherently affected. For all you know, you could...

Forum: Tech Log

7th Jun 2011, 13:58

Replies: 51

A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure

Views: 23,292

Posted By Microburst2002

A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure

After studying the issue for years (not only the procedure but also the FCTM, other airbus publications, powerpoint presentations) and over two hours of LPC simulator dedicated to this issue, I have...

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