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Search: Posts Made By: birdspeed
Showing results 1 to 35 of 69
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Forum: Australia, New Zealand & the Pacific
19th Dec 2022, 13:56
Replies: 545
Views: 129,101
Posted By birdspeed

All this talk about whether LNAV is engaged, is...

All this talk about whether LNAV is engaged, is all a bit irrelevant if as I suspect the autopilot has failed, due to the flight controls degrading to secondary.

As GBO correctly concludes, the...
Forum: Australia, New Zealand & the Pacific
17th Dec 2022, 12:49
Replies: 545
Views: 129,101
Posted By birdspeed

[QUOTE=BuzzBox;11349618]Let's not confuse "fact"...

[QUOTE=BuzzBox;11349618]Let's not confuse "fact" with "theory". The theory about a hand-flown turn back at IGARI came from a simulator study that was conducted during the official investigation. That...
Forum: Australia, New Zealand & the Pacific
17th Dec 2022, 08:57
Replies: 545
Views: 129,101
Posted By birdspeed

dr dre, Buzzbox, Can you explain why the...

dr dre, Buzzbox,

Can you explain why the autopilot would be out and why the aircraft was manually turned at IGARI and hand flown towards Penang.
That fact on its own indicates the crew had a...
Forum: Australia, New Zealand & the Pacific
17th Dec 2022, 08:43
Replies: 545
Views: 129,101
Posted By birdspeed

Buzzbox, re the O2 bottle rupture and...

Buzzbox,

re the O2 bottle rupture and subsequent damage.
Yes, QF30 had a large hole and rapid decompression. It doesn’t necessarily have to be so, could result in a slow decompression too.
The...
Forum: Australia, New Zealand & the Pacific
16th Dec 2022, 22:58
Replies: 545
Views: 129,101
Posted By birdspeed

Although my version of events after a rupture of...

Although my version of events after a rupture of the O2 bottles differs from GBO’s, for example I think the crew are incapacitated within minutes. The autopilot has failed so any turns after the...
Forum: Australia, New Zealand & the Pacific
15th Dec 2022, 22:01
Replies: 545
Views: 129,101
Posted By birdspeed

This O2 failure does fit with all the known...

This O2 failure does fit with all the known circumstantial evidence we have. It’s been difficult as there has been confusing and miss information since the beginning.The O2 bottle failure is perhaps...
Forum: Australia, New Zealand & the Pacific
15th Dec 2022, 21:18
Replies: 545
Views: 129,101
Posted By birdspeed

The pilots would be suddenly subjected to...

The pilots would be suddenly subjected to multiple serious failures, including possibly all of the following, blank flight screens, unreliable instruments, disconnection of autopilot/autothrottle,...
Forum: Australia, New Zealand & the Pacific
15th Dec 2022, 20:07
Replies: 545
Views: 129,101
Posted By birdspeed

I like GBO’s thinking. I too think the O2 bottle...

I like GBO’s thinking. I too think the O2 bottle rupture caused the cascade of failures. I differ from GBO and conclude the decompression caused the pilots to be incapacitated within say, 10...
Forum: Australia, New Zealand & the Pacific
14th Dec 2022, 21:29
Replies: 545
Views: 129,101
Posted By birdspeed

Icarus2001…it flew towards Penang, exactly where...

Icarus2001…it flew towards Penang, exactly where a pilot with a sick aircraft would point his aircraft.

The official Malaysian report has stated there are normal gaming activities on the...
Forum: Australia, New Zealand & the Pacific
14th Dec 2022, 20:46
Replies: 545
Views: 129,101
Posted By birdspeed

Excellent post GBO. Possible extra failures...

Excellent post GBO.

Possible extra failures to consider are….

Loss of flight instrument screens due to the power coming from TRUs in the vicinity of the bottles. TRUs located in E3 rack.
...
Forum: Rumours & News
21st Nov 2022, 21:34
Replies: 157
Views: 98,531
Posted By birdspeed

‘Back to Boeing,’ 3 years ago they started...

‘Back to Boeing,’ 3 years ago they started launching 50 or so satellites at a time. Now there are a little less than 3000 in the 550km high orbit. So I guess we’ve now reached a time when the orbits...
Forum: Rumours & News
21st Nov 2022, 17:08
Replies: 157
Views: 98,531
Posted By birdspeed

Thanks ‘Flarkey’, So it seems these sightings...

Thanks ‘Flarkey’,
So it seems these sightings are the Starlink satellites. We are seeing them well over the Eastern horizon, perhaps over 1000nm ahead of us. The large number of satellites, their...
Forum: Rumours & News
20th Nov 2022, 21:53
Replies: 157
Views: 98,531
Posted By birdspeed

‘Back to Boeing’, that was a perfect description...

‘Back to Boeing’, that was a perfect description of what I and many other aircraft also saw in the mornings of the 11th and 16th Nov.
Initially, I put it down to the SpaceX starlink cubesats moving...
Forum: Tech Log
7th Jun 2020, 11:13
Replies: 10
Views: 3,944
Posted By birdspeed

If I’m not mistaken, if it’s the L Hyd which has...

If I’m not mistaken, if it’s the L Hyd which has failed, there is less elevator authority. As 2 out of 4 elevator PCU’s are powered from the L system.

i could be wrong.
Forum: Tech Log
25th May 2020, 08:51
Replies: 14
Views: 4,871
Posted By birdspeed

My thoughts are that’s speed related. The higher...

My thoughts are that’s speed related. The higher the weight the greater the scheduled speed. So more aerodynamic drag.
Forum: Tech Log
19th Jul 2019, 08:27
Replies: 5
Views: 3,094
Posted By birdspeed

In last years Malaysian report it says that the...

In last years Malaysian report it says that the crew O2 system could supply O2 for one person for 27hrs at 36000ft. Malaysian Airlines had 2 bottles, serviced to 1800psi fitted, whereas most airlines...
Forum: Rumours & News
23rd Mar 2019, 11:14
Replies: 18
Views: 10,267
Posted By birdspeed

I don’t think it’s close at all. It looks close...

I don’t think it’s close at all. It looks close because the camera position and relative size difference of the B777 and B737. I think the landing B737 could easily have landed.
Forum: Rumours & News
3rd Jan 2019, 12:25
Replies: 60
Views: 24,233
Posted By birdspeed

ATC Watcher, we talking about offsetting on busy...

ATC Watcher, we talking about offsetting on busy airways once in the cruise, not in terminal areas. These busy airways are on routes to and from the Far East and Middle East where there is a high...
Forum: Rumours & News
3rd Jan 2019, 08:03
Replies: 60
Views: 24,233
Posted By birdspeed

ATC Watcher, before the introduction of GPS,...

ATC Watcher, before the introduction of GPS, aircraft would quite often be a few miles off track. No one minded then. Airways were 10nm wide. Now with GPS,RVSM we have increased the chances of a...
Forum: Rumours & News
2nd Jan 2019, 18:17
Replies: 60
Views: 24,233
Posted By birdspeed

DaveReid, random offsets will help. 1,2, or 3nm....

DaveReid, random offsets will help. 1,2, or 3nm. And surely a few NMs won’t cause ATC issues?
Forum: Rumours & News
2nd Jan 2019, 17:09
Replies: 60
Views: 24,233
Posted By birdspeed

Let’s all reduce the chance of a midair by flying...

Let’s all reduce the chance of a midair by flying offsets. It’s only a matter of time before we have another completely avoidable collision....our industry is doing nothing. We MUST stop flying...
Forum: Tech Log
3rd Dec 2018, 19:22
Replies: 10
Views: 2,621
Posted By birdspeed

Can’t remember what parameters the RECMD looks...

Can’t remember what parameters the RECMD looks at. But I just ignore it, as everytime you glance at it shows a different level. It jumps around too much.
Forum: Tech Log
27th Nov 2018, 17:47
Replies: 195
Views: 132,797
Posted By birdspeed

Concours77, as the stab seems to trim to full ND...

Concours77, as the stab seems to trim to full ND at a normal rate, I don’t think there is a mechanical failure of the stab jackscrew.
What perhaps happens is a breakout of the control yokes just...
Forum: Rumours & News
26th Nov 2018, 23:44
Replies: 2,099
Views: 1,466,785
Posted By birdspeed

Perhaps, the sudden dive can be explained by a...

Perhaps, the sudden dive can be explained by a loss of elevator effectiveness. I speculate that they exceeded the breakout force on the control wheels. Suddenly they would lose a good percentage of...
Forum: Rumours & News
12th Nov 2018, 07:17
Replies: 2,099
Views: 1,466,785
Posted By birdspeed

A squared, I believe the A320 test flight at...

A squared, I believe the A320 test flight at Perpignan, France, was caused by water freezing in an AOA probe. Struggling to
think of any others.
Forum: Rumours & News
9th Nov 2018, 07:53
Replies: 2,099
Views: 1,466,785
Posted By birdspeed

Perhaps, it would be a good idea to put ‘stab...

Perhaps, it would be a good idea to put ‘stab cutout’ into the memory items for the UAS checklist on the Max.
Forum: Rumours & News
2nd Nov 2018, 22:50
Replies: 2,099
Views: 1,466,785
Posted By birdspeed

So, are we looking at a UAS event causing false...

So, are we looking at a UAS event causing false inputs into the STS? This puts in a nose down trim, the pilots counteract with nose up elevator. Without any throttle reduction the aircraft...
Forum: Tech Log
15th Oct 2018, 07:17
Replies: 9
Views: 5,813
Posted By birdspeed

It’s quite common on the 777 for the centre tank...

It’s quite common on the 777 for the centre tank scavenge to only scavenge into one side. Never experienced it on the -300, and with the earlier scavenge I guest the imbalance could be quite marked....
Forum: Tech Log
11th Oct 2018, 18:33
Replies: 15
Views: 3,585
Posted By birdspeed

Airmann, On your 2nd point, I have passed...

Airmann,
On your 2nd point, I have passed opposite direction traffic many times on random tracks.
On your 3rd point quote “how many times have planes collided head on on the same airway?” I...
Forum: Tech Log
11th Oct 2018, 07:57
Replies: 15
Views: 3,585
Posted By birdspeed

I agree, it is important to SLOP on random routes...

I agree, it is important to SLOP on random routes as well. They can also be quite busy and they’re probably being used in the opposite direction.

In my opinion SLOPS should be used on all Airways...
Forum: Rumours & News
7th Aug 2018, 19:55
Replies: 67
Views: 42,490
Posted By birdspeed

Ian w, I believe our current thinking is that...

Ian w, I believe our current thinking is that after IGARI the satcom was off also, and only powered up again at 1825z, about an hour later. I think a massive electrical failure, mainly to the left...
Forum: Tech Log
2nd Aug 2018, 22:01
Replies: 17
Views: 3,072
Posted By birdspeed

Yes, CBs move along with the mid level winds...

Yes, CBs move along with the mid level winds 10000-20000ft. Worth knowing when you’re trying to track around them. Usually I find their drift is half the drift you’re experiencing at jet cruise...
Forum: Rumours & News
1st Aug 2018, 12:50
Replies: 67
Views: 42,490
Posted By birdspeed

Come on everybody, let’s use Occam’s Razor on...

Come on everybody, let’s use Occam’s Razor on this—This simplest solution is probably correct. This was probably caused by a single point of failure. No need for convoluted conspiracy/crazy pilot...
Forum: Rumours & News
31st Jul 2018, 13:56
Replies: 67
Views: 42,490
Posted By birdspeed

The Ancient Greek....true, there are not many...

The Ancient Greek....true, there are not many facts, but there is plenty of circumstantial evidence.

1/ crew & passengers have all had their backgrounds checked, nothing suspicious found.
2/...
Forum: Rumours & News
31st Jul 2018, 11:04
Replies: 67
Views: 42,490
Posted By birdspeed

The report says they could find no one onboard...

The report says they could find no one onboard with malicious intent. In the press conference the “inspector-in-charge” said the power failures to the communication systems(transponder,acars,satcom)...
Showing results 1 to 35 of 69
 
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