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Search: Posts Made By: seagull967
Showing results 1 to 35 of 52
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Forum: Tech Log
6th Jan 2024, 18:50
Replies: 9
Views: 2,372
Posted By seagull967

Low gain is always the better choice. High gain...

Low gain is always the better choice. High gain is a great way to flesh out if there is any PIO tendencies!
Forum: Tech Log
5th Jan 2024, 13:50
Replies: 9
Views: 2,372
Posted By seagull967

That's interesting. The 777 is, as you state (to...

That's interesting. The 777 is, as you state (to my knowledge), but not familar with the 787.
Forum: Tech Log
5th Jan 2024, 13:49
Replies: 9
Views: 2,372
Posted By seagull967

The flare modification was already responded to. ...

The flare modification was already responded to. Theta-dot is a pitch rate control, as opposed to the g-rate at higher speeds. C*, yes, same as Airbus pretty much in that regard!



This is...
Forum: Tech Log
1st Jan 2024, 01:31
Replies: 9
Views: 2,372
Posted By seagull967

Boeing 777 flight controls

Watching the below video, I am left wondering. My understanding is at this stage, in normal law, the pilot command would go to the ACEs, then to the PFCs, then back to the ACEs to command the...
Forum: Accidents and Close Calls
27th Aug 2023, 18:48
Replies: 107
Views: 53,867
Posted By seagull967

Just curious, the FO statement "I noticed our...

Just curious, the FO statement "I noticed our airspeed holding just below max Vfe, ≈ 178KTS," caught my eye. How would that be anywhere near the max Vfe for flaps 20 or less?
Forum: Tech Log
14th Apr 2022, 14:42
Replies: 11
Views: 2,051
Posted By seagull967

Great paper, thanks and I agree!

Great paper, thanks and I agree!
Forum: Tech Log
14th Apr 2022, 14:41
Replies: 11
Views: 2,051
Posted By seagull967

This is my suspicion, actually. Lots of great...

This is my suspicion, actually. Lots of great replies, thank you!
Forum: Tech Log
13th Apr 2022, 18:44
Replies: 11
Views: 2,051
Posted By seagull967

Thank you! Curious as to why that would improve...

Thank you! Curious as to why that would improve directional control, hoping someone can find that old bulletin!
Forum: Tech Log
13th Apr 2022, 16:08
Replies: 11
Views: 2,051
Posted By seagull967

Thank you, but no. That is why the speeds are...

Thank you, but no. That is why the speeds are constant for all flap settings (at a given density altitude) below 460,000 pounds (Vmca). It does NOT explain why the speeds INCREASE below 340,000...
Forum: Tech Log
12th Apr 2022, 22:06
Replies: 11
Views: 2,051
Posted By seagull967

Very light weight 777F Vref speed bump

OK, reposting this as a separate question as I think it is getting missed as part of another thread:

wondering about that 777 approach speed bump. Vmca is approximately 136-137 KIAS and so, so...
Forum: Tech Log
9th Apr 2022, 19:28
Replies: 9
Views: 1,784
Posted By seagull967

777F. Here are flap 30 values. Notice the below...

777F. Here are flap 30 values. Notice the below 340k line. Below 340k the speed is the same for all flaps settings. It does decrease with altitude but why the increase below 340K?

Weight
(1000...
Forum: Tech Log
8th Apr 2022, 23:43
Replies: 9
Views: 1,784
Posted By seagull967

All good, but still wondering about that 777...

All good, but still wondering about that 777 approach speed bump. Vmca is approximately 136-137 KIAS and so, so depending on flap settings you'll hit the floor at weights something below 460,000...
Forum: Passengers & SLF (Self Loading Freight)
7th Feb 2022, 13:40
Replies: 9
Views: 2,911
Posted By seagull967

That's been my impression. Of course, the flying...

That's been my impression. Of course, the flying is so "off" in Asia right now the ratio of crew to pax might add to the enforcement of rules as well.
Forum: Passengers & SLF (Self Loading Freight)
7th Feb 2022, 12:20
Replies: 9
Views: 2,911
Posted By seagull967

passenger incidents

This question might be mostly for cabin crew, but open to anyone with thoughts on it. I’m looking for some off the record data. It seems, from what I am seeing, that issues with passengers that have...
Forum: Cabin Crew
7th Feb 2022, 12:20
Replies: 3
Views: 1,849
Posted By seagull967

passenger incidents

This question might be mostly for cabin crew, but open to anyone with thoughts on it. I’m looking for some off the record data. It seems, from what I am seeing, that issues with passengers that have...
Forum: Tech Log
20th Mar 2019, 02:42
Replies: 18
Views: 4,562
Posted By seagull967

Do you have access to it? I would be interested...

Do you have access to it? I would be interested to know.
Forum: Tech Log
19th Mar 2019, 10:30
Replies: 18
Views: 4,562
Posted By seagull967

for high AoA the force is just increased, so it...

for high AoA the force is just increased, so it would effect both push and pull also, correct?
Forum: Tech Log
16th Mar 2019, 18:22
Replies: 18
Views: 4,562
Posted By seagull967

Thanks, that clarifies it!

Thanks, that clarifies it!
Forum: Tech Log
16th Mar 2019, 04:03
Replies: 18
Views: 4,562
Posted By seagull967

Can you provide an example to ensure clarity? ...

Can you provide an example to ensure clarity? Let's say the AoA fault shows an abnormally high AoA, will the stick force just go up, or is it also dependent on where the column displacement is? I...
Forum: Tech Log
15th Mar 2019, 19:03
Replies: 18
Views: 4,562
Posted By seagull967

Thanks, same question as sp, also, does that not...

Thanks, same question as sp, also, does that not describe MCAS also, or is this in addition to MCAS?
Forum: Tech Log
15th Mar 2019, 15:53
Replies: 1,677
Views: 530,120
Posted By seagull967

It is my understanding that the A350 also no...

It is my understanding that the A350 also no longer has the autotrim function in alternate law, is that correct?
Forum: Tech Log
15th Mar 2019, 15:43
Replies: 18
Views: 4,562
Posted By seagull967

AoA relation to elevator feel on 737Max?

From the below linked article, I am trying to understand the system architecture here. Perhaps I am reading it wrong, but I am not seeing why this scenario would cause an increase in stick force?
...
Forum: Rumours & News
1st Mar 2019, 00:22
Replies: 920
Views: 2,315,703
Posted By seagull967

Again, too many assumptions here. And again, the...

Again, too many assumptions here. And again, the answer is "not necessarily". I should add that I view this as an EXTREMELY improbable factor in this accident!
Forum: Rumours & News
28th Feb 2019, 23:04
Replies: 920
Views: 2,315,703
Posted By seagull967

Not necessarily. Depends on where the cans are,...

Not necessarily. Depends on where the cans are, etc. Seen that one too!
Forum: Rumours & News
28th Feb 2019, 22:02
Replies: 920
Views: 2,315,703
Posted By seagull967

While I agree in principle, the scenario would...

While I agree in principle, the scenario would not be ripping out locks but rather not engaging locks to begin with. If there are a lot of empty positions the pallet can slide fairly easily It has...
Forum: Tech Log
25th Nov 2018, 14:15
Replies: 195
Views: 131,981
Posted By seagull967

The actual electrical wiring to include MCAS...

The actual electrical wiring to include MCAS switching would be very interesting. A screen shot of just the MCAS and electric trim wiring from a Mx manual. Anyone have that?
Forum: Rumours & News
30th Oct 2017, 19:54
Replies: 145
Views: 98,879
Posted By seagull967

Actually, SWA was well clear of the runway by the...

Actually, SWA was well clear of the runway by the time AC was between 2 and 1.5 miles from the approach end, let alone the touchdown target. Not particularly unusual spacing.

Pilots are...
Forum: Rumours & News
29th Oct 2017, 23:20
Replies: 145
Views: 98,879
Posted By seagull967

There is, late at night/early morning one...

There is, late at night/early morning one controller often works both, yes, at SFO also!
Forum: Rumours & News
29th Oct 2017, 18:54
Replies: 145
Views: 98,879
Posted By seagull967

You need to fly more at night!

You need to fly more at night!
Forum: Rumours & News
29th Oct 2017, 13:12
Replies: 145
Views: 98,879
Posted By seagull967

I think it important fo note that the runway was...

I think it important fo note that the runway was clear by the time they were over a mile from touchdown.
Forum: Rumours & News
28th Oct 2017, 18:55
Replies: 145
Views: 98,879
Posted By seagull967

I would argue two reasons. First, it does...

I would argue two reasons.

First, it does not accomplish anything. The crew did not intentionally do this. I think the only time it makes sense is if the person willfully ignored procedures...
Forum: Safety, CRM, QA & Emergency Response Planning
9th Oct 2017, 21:42
Replies: 4
Views: 1,913
Posted By seagull967

Interesting. Based on personal experience as...

Interesting. Based on personal experience as well as talking to other members of the various parties in several major investigations I have found a much different conclusion. Regardless of what the...
Forum: Safety, CRM, QA & Emergency Response Planning
9th Oct 2017, 19:19
Replies: 4
Views: 1,913
Posted By seagull967

There is widespread concern about problems in...

There is widespread concern about problems in accident reports and the validity of them. This is not just my opinion, it is shared by many even at NTSB and other investigative organizations around...
Forum: Safety, CRM, QA & Emergency Response Planning
8th Oct 2017, 19:43
Replies: 4
Views: 1,913
Posted By seagull967

Just Culture Accident Model

This paper proposes that the concepts developed for Just Culture may provide an avenue to broaden the scope of accident investigation and move away from the “blame” outcome of most reports through...
Forum: Tech Log
17th Sep 2017, 21:19
Replies: 2
Views: 2,736
Posted By seagull967

Bluecoat is back!

If you're on LinkedIn, check out The Bluecoat Project. This is for direct interface between pilots and engineers.

An international Forum on the subject of FMS, EFIS and EICAS displays, automated...
Showing results 1 to 35 of 52
 
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