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Search: Posts Made By: foresight
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Forum: Rumours & News
26th Sep 2009, 10:53
Replies: 2,906
Views: 1,450,488
Posted By foresight

I am making assumptions here, but I believe they...

I am making assumptions here, but I believe they are fair enough. If a hand had been on the throttles when they went to 'retard' the first time and if that hand had stayed on the throttles, then the...
Forum: Rumours & News
25th Sep 2009, 21:23
Replies: 2,906
Views: 1,450,488
Posted By foresight

One shortly after take off, one on the localiser...

One shortly after take off, one on the localiser (in the sim)

Does no-one keep their hand on the PLs at such times, anymore?

It seems probable that the THY crew didn't either.
Forum: Rumours & News
9th Apr 2009, 20:16
Replies: 2,906
Views: 1,450,488
Posted By foresight

:ugh::ugh::ugh: This whole RA thing...

:ugh::ugh::ugh:

This whole RA thing obviously offends so many electronic design types who are posting.

The serious failure case is covered by Boeing - you cannot engage both autopilots for a...
Forum: Rumours & News
8th Apr 2009, 20:45
Replies: 2,906
Views: 1,450,488
Posted By foresight

BOAC I think we agree Retard + no A/T...

BOAC

I think we agree

Retard + no A/T response + no crew reaction = Vref - 40

What I was trying to clarify was that the RA fault was not the decisive 'non-normal' before we get more endless...
Forum: Rumours & News
8th Apr 2009, 18:49
Replies: 2,906
Views: 1,450,488
Posted By foresight

: What was the 'non-normal? RA...

:

What was the 'non-normal?

RA information was irrelevant to their approach and it seems likely (and even understandable) that the captain did not notice it was reading -8ft. Remember that...
Forum: Rumours & News
8th Mar 2009, 19:19
Replies: 2,906
Views: 1,450,488
Posted By foresight

There seems to be a lot of misconception about...

There seems to be a lot of misconception about use of autothrottle.
The simple fact is, if you want to apply power manually when the autothrottle is in use, you simply disconnect it.
That is why...
Forum: Rumours & News
7th Mar 2009, 09:55
Replies: 2,906
Views: 1,450,488
Posted By foresight

robdean

Unfortunately most pilots do not have instant recall of the connection between complex systems. Especially during what seems to have been a somewhat stressed approach. Bringing attention to an...
Forum: Rumours & News
6th Mar 2009, 20:51
Replies: 2,906
Views: 1,450,488
Posted By foresight

Jumbo Driver

I believe that information regarding previous problems with the radalt came to light on the DFDR. It is quite possible that the crews involved never picked it up or reported it. Especially if it was...
Forum: Rumours & News
6th Mar 2009, 19:59
Replies: 2,906
Views: 1,450,488
Posted By foresight

So what do you suggest? Millions of $...

So what do you suggest?
Millions of $ redesigning and retrofitting a new radalt system to the entire 737NG fleet?
Or reminding pilots that when they are not getting the thrust they need from the...
Forum: Rumours & News
6th Mar 2009, 16:37
Replies: 2,906
Views: 1,450,488
Posted By foresight

dicks-airbus

I thought you were implying there should be notification.
Sorry if I misunderstood you
Forum: Rumours & News
6th Mar 2009, 16:21
Replies: 2,906
Views: 1,450,488
Posted By foresight

dicks-airbus

Speaking as an (ex) NG line captain, i would rather have a simple A/T malfunction than someone flashing/shouting 'Radalt Comparator Warning' as well. That would totally throw me!
It is enough for me...
Forum: Rumours & News
6th Mar 2009, 16:02
Replies: 2,906
Views: 1,450,488
Posted By foresight

To all the techies who want to have infallible...

To all the techies who want to have infallible systems.

The autothrottle received a signal from the radalt to go to flight idle.
The crew apparently didn't notice.

Imagine if
The throttles...
Forum: Rumours & News
6th Mar 2009, 15:34
Replies: 2,906
Views: 1,450,488
Posted By foresight

BOAC

From the MOM
Forum: Rumours & News
6th Mar 2009, 15:28
Replies: 2,906
Views: 1,450,488
Posted By foresight

BOAC

Flight Directors - off the Boeing MOM 'from memory' as I can't find the darn thing now.
ROD - true but must have increased dramatically when there was still a good chance of recovery.
I think you...
Forum: Rumours & News
6th Mar 2009, 15:13
Replies: 2,906
Views: 1,450,488
Posted By foresight

In a normal approach environment the throttles...

In a normal approach environment the throttles going to flight idle APPARENTLY uncommanded should be sufficient notification in itself. Never mind disappearing flight directors, nose up attitude,...
Forum: Rumours & News
6th Mar 2009, 14:55
Replies: 2,906
Views: 1,450,488
Posted By foresight

cargun

I appreciate your viewpoint.
At the end of the day we fly (or in my case flew) the aircraft we are given. It is our job to understand it and how it works. Over time systems develop and evolve but...
Forum: Rumours & News
6th Mar 2009, 14:14
Replies: 2,906
Views: 1,450,488
Posted By foresight

BOAC

Hardly of vital importance.

I was trying to get across to a non pilot that the piece of equipment which seems to have started this whole sequence of events is of relatively minor importance.
Forum: Rumours & News
6th Mar 2009, 13:56
Replies: 2,906
Views: 1,450,488
Posted By foresight

cargun

Please get this straight - there was no problem with the autopilot. The system we are concerned with is the autothrottle which is separate. The misreading radalt sent a signal to the autothrottle...
Forum: Rumours & News
5th Mar 2009, 18:09
Replies: 2,906
Views: 1,450,488
Posted By foresight

Q*R*H

There is no design fault. The 737 autothrottle is designed to retard on a handflown approach (autothrottle in) as well as during an autoland. Admittedly the former is not recommended due to the...
Forum: Rumours & News
5th Mar 2009, 17:43
Replies: 2,906
Views: 1,450,488
Posted By foresight

Just to put things in context for the non pilots...

Just to put things in context for the non pilots here.
The autothrottle is just a tool, albeit a very nice one to have.
On the 737 it is not required to be operational for flight.
It is not even...
Forum: Rumours & News
5th Mar 2009, 16:49
Replies: 2,906
Views: 1,450,488
Posted By foresight

The previous radalt faults were picked up, post...

The previous radalt faults were picked up, post accident. on the FDR. We do not,I believe, at this time know if they were ever recorded in the tech log or even if these previous occurrences were...
Forum: Rumours & News
25th Feb 2009, 14:59
Replies: 2,906
Views: 1,450,488
Posted By foresight

Icing - yes they would have been in icing...

Icing - yes they would have been in icing conditions. The engine anti ice would have been on as a matter of course, in cloud with OAT below +10.

Airframe icing is really not an issue with the...
Showing results 1 to 22 of 22


 
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