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Search: Posts Made By: fireflybob
Showing results 1 to 35 of 36
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Forum: Rumours & News
8th Dec 2015, 10:12
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Let me throw one more ingredient into the melting...

Let me throw one more ingredient into the melting pot here.

In the olden days when pilots did their basic training all the aircraft were aerobatic and spinnable and the instructors were almost...
Forum: Rumours & News
15th Feb 2015, 18:42
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

rideforever, that is so true - one of the best...

rideforever, that is so true - one of the best statements I've seen on PPrune for quite a while - thanks!
Forum: Rumours & News
13th Feb 2015, 20:35
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

It's a while since I did A Level Physics but here...

It's a while since I did A Level Physics but here goes:-



So the higher you are (above earth) the more the potential energy?



KE = 0.5 m (V)squared - where m is mass and V is speed....
Forum: Rumours & News
10th Feb 2015, 21:16
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

xcitation, I didn't say oldies were infallible. ...

xcitation, I didn't say oldies were infallible.

In the case of AF447 the Commander was not on the flight deck and/or at the controls when the event started to materialise.

In the case of...
Forum: Rumours & News
10th Feb 2015, 17:54
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Heavymetallist, I think you are conflating the...

Heavymetallist, I think you are conflating the issues here. I don't think we are talking about good CRM etc.

The issue is that new pilots (through no fault of their own - they have been trained...
Forum: Rumours & News
3rd Feb 2015, 19:50
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Icepack, quite!

Icepack, quite!
Forum: Rumours & News
3rd Feb 2015, 19:22
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

I think D P Davies in his classic book "Handling...

I think D P Davies in his classic book "Handling the Big Jets" (written in the 1960s but still has some great guidance) states that the probability of an actual stall in commercial operations was...
Forum: Rumours & News
3rd Feb 2015, 18:16
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

SOP, But that is precisely the point - you...

SOP,

But that is precisely the point - you want a recovery technique which is going to work every time!
Forum: Rumours & News
3rd Feb 2015, 17:57
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Well I was shouted down before but it's...

Well I was shouted down before but it's misleading to say you recover from a stall by "lowering the nose". To recover you need to move the control column/stick/sidestick (centrally) forward until the...
Forum: Rumours & News
2nd Feb 2015, 09:56
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

RAT 5, Am with you there. As one who has...

RAT 5, Am with you there.

As one who has recently retired from the airline profession and now doing some part time basic instruction I witness a considerable drop in training standards at this...
Forum: Rumours & News
2nd Feb 2015, 09:38
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Quite simply automation is deskilling us. ...

Quite simply automation is deskilling us.

Read "The Glass Cage" by Nicholas Carr.
Forum: Rumours & News
2nd Feb 2015, 09:23
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

What command was the flight director giving? ...

What command was the flight director giving?

The flight director is almost exclusively in use for all operations these days therefore pilots are less aware of raw data attitudes.

Slightly off...
Forum: Rumours & News
29th Jan 2015, 15:05
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

It's a few years since I flew the A320 but does...

It's a few years since I flew the A320 but does the autopilot still have the "Expedite Climb" mode?

Is it possible this was selected (possibly in error)?
Forum: Rumours & News
21st Jan 2015, 19:35
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Am with you! I believe I made this point very...

Am with you! I believe I made this point very early on in this thread.

Certainly I'm aware of colleagues that have done so on quite a few occasions when involved with flights close to the ITCZ etc
Forum: Rumours & News
20th Jan 2015, 16:51
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Assuming the data comes from the pressure...

Assuming the data comes from the pressure instruments (IAS/VSI/ALT) these would be indicated values.

Within an active CB there are big pressure variations which will affect these instrument...
Forum: Rumours & News
20th Jan 2015, 08:25
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Also worth a reminder that when humans become...

Also worth a reminder that when humans become "maxed out" the brain "deletes" hearing.
Forum: Rumours & News
13th Jan 2015, 19:08
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Until we get the data we do not know the chain of...

Until we get the data we do not know the chain of events which led up to this accident.

It's possible this accident may not be weather related or weather may be a small factor along with other...
Forum: Rumours & News
11th Jan 2015, 20:17
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

boofhead, thanks for that - have often wondered...

boofhead, thanks for that - have often wondered about these "modern" radars too
Forum: Rumours & News
8th Jan 2015, 02:09
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Some operators have engineers on board to perform...

Some operators have engineers on board to perform routine checks/refuelling on the ground. They are counted as crew as they are not revenue passengers - all quite normal
Forum: Rumours & News
7th Jan 2015, 19:58
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

"The data streaming is automatically triggered...

"The data streaming is automatically triggered when the AFIRS detects a predefined abnormal event, and can also be turned on by the flight crew or by ground personnel."
Forum: Rumours & News
7th Jan 2015, 12:14
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

That statement makes me feel uneasy...

That statement makes me feel uneasy...
Forum: Rumours & News
5th Jan 2015, 07:00
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Notwithstanding instructions in company...

Notwithstanding instructions in company operations manuals it's interesting to note that in the UK ANO under pre flight action of the commander of an aircraft that he/she shall obtain weather before...
Forum: Rumours & News
4th Jan 2015, 16:41
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Is that not an escape slide? (Which granted may...

Is that not an escape slide? (Which granted may be used as a flotation device).
Forum: Rumours & News
3rd Jan 2015, 14:44
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Sounds a bit political to me more than regulatory.

Sounds a bit political to me more than regulatory.
Forum: Rumours & News
3rd Jan 2015, 14:17
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Coincidentally a very interesting discussion on...

Coincidentally a very interesting discussion on BBC R4 this morning from the author of "The Glass Cage" concerning man's interaction with automation - listen to the end to hear quite a lot about...
Forum: Rumours & News
2nd Jan 2015, 21:04
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

As far as I was concerned it never was.

As far as I was concerned it never was.
Forum: Rumours & News
2nd Jan 2015, 19:47
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

silverstrata, it may be nonsense to you but it's...

silverstrata, it may be nonsense to you but it's fundamental that an aircraft can stall in any attitude and airspeed.
Forum: Rumours & News
2nd Jan 2015, 15:50
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

What if the nose is already down? (A/c can stall...

What if the nose is already down? (A/c can stall in any attitude and airspeed).

Better to say "move the control column (or sidestick) centrally forward until the stall identification ceases" -...
Forum: Rumours & News
2nd Jan 2015, 14:40
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Sop_Monkey, can you get a Sig Wx/Radar Images on...

Sop_Monkey, can you get a Sig Wx/Radar Images on ACARS?

When you say Volmet would that be HF as VHF Volmet only transmit METARs as far as I am aware?
Forum: Rumours & News
1st Jan 2015, 16:06
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

jientho, yes it was a hypothetical point (sorry...

jientho, yes it was a hypothetical point (sorry didn't make that clear) and agree it would be different in climb
Forum: Rumours & News
1st Jan 2015, 14:23
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

I've been pondering about the autopilot and auto...

I've been pondering about the autopilot and auto thrust response to a large and sudden up gust.

The altitude hold would attempt to maintain the selected altitude by selecting a lower attitude and...
Forum: Rumours & News
31st Dec 2014, 11:10
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

I can't find it but on one of the documentaries...

I can't find it but on one of the documentaries about AF447 there was a company in Canada who were developing an onboard system which would screen all flight parameters and then start transmitting...
Forum: Rumours & News
30th Dec 2014, 18:45
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

Correct me if I am wrong but I thought the report...

Correct me if I am wrong but I thought the report of AF447 said the aircraft did not enter a thunderstorm?

And we don't know whether this flight did so yet.
Forum: Rumours & News
30th Dec 2014, 16:39
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

This is not to make any comment on this flight as...

This is not to make any comment on this flight as we don't know the facts yet but another option as well as deviation off track is a timely 180 degree turn and return to the departure field or...
Forum: Rumours & News
30th Dec 2014, 08:02
Replies: 3,923
Views: 4,470,467
Posted By fireflybob

No, it isn't but the Captain is allowed to...

No, it isn't but the Captain is allowed to exercise the provisions of the MEL.
Showing results 1 to 35 of 36
 
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