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Forum: Aviation Safety Discussion Forum Today, 05:55 PM
Replies: 211
Views: 22,070
Posted By Gabriel
Interestingly enough, though, HELIOS had one...

Interestingly enough, though, HELIOS had one person trying to access the cockpit and somehow managing to do it just minutes before the crash.

I don't think this has anything to do with this case,...
Forum: Aviation Safety Discussion Forum Today, 05:51 PM
Replies: 211
Views: 22,070
Posted By Gabriel
Both of which kept on AP until out of fuel, not...

Both of which kept on AP until out of fuel, not with one pilot in the cockpit intentionally initiating a descent and the other one banging the door from outside.

Impossible? No. Unlikely? Yes, but...
Forum: Aviation Safety Discussion Forum Today, 05:48 PM
Replies: 211
Views: 22,070
Posted By Gabriel
The door has an access code and each crew member...

The door has an access code and each crew member has its own "secret" PIN that falls under one of these categories: cabin crew PIN or flight crew PIN.

When someone tries to access the cockpit with...
Forum: Aviation Safety Discussion Forum Today, 05:38 PM
Replies: 211
Views: 22,070
Posted By Gabriel
- No high cabin altitude warning. - No recorded...

- No high cabin altitude warning.
- No recorded "don your masks" message.
- No ACARS message.

Other than that, no, there is no way.
Forum: Aviation Safety Discussion Forum Today, 02:18 PM
Replies: 211
Views: 22,070
Posted By Gabriel
Just please don't call it "suicide". 150 persons...

Just please don't call it "suicide". 150 persons died. 149 if them were murdered (IF this hypothesis happens to be true).
Forum: Aviation Safety Discussion Forum Today, 07:05 AM
Replies: 211
Views: 22,070
Posted By Gabriel
Me thinks that this video should not be online. ...

Me thinks that this video should not be online.
At least they were delicate enough to omit the part where the purser, with a terrorist grabbing her from the neck and with a gun against her head,...
Forum: Aviation Safety Discussion Forum Today, 06:52 AM
Replies: 211
Views: 22,070
Posted By Gabriel
Not so. The door can be open from outside IF you...

Not so. The door can be open from outside IF you have the code AND the access is not ACTIVELY denied from inside.

That's at least my understanding, which could be wrong.
Forum: Aviation Safety Discussion Forum Today, 06:49 AM
Replies: 211
Views: 22,070
Posted By Gabriel
Exactly my thought too. If the other pilot was...

Exactly my thought too. If the other pilot was not able to return then the pilot in the cockpit was not incapacitated. Either that or nobody among the crew knew or had the access code.

I am...
Forum: Aviation Safety Discussion Forum Yesterday, 03:09 PM
Replies: 13
Views: 729
Posted By Gabriel
The difference is that in the 777 the pilot can...

The difference is that in the 777 the pilot can always readily override the computer.

Pull up!
No sorry, I will not comply with that.

Trim up!
No sorry, I will not comply with that,

And...
Forum: Aviation Safety Discussion Forum Yesterday, 10:09 AM
Replies: 211
Views: 22,070
Posted By Gabriel
That's certainly a possibility. of course...

That's certainly a possibility. of course decompression ALONE will not make it. That's what supplemental O2 and quick-donning masks are there for.
I don't buy the phugoid. The Airbus will not...
Forum: Aviation Safety Discussion Forum Yesterday, 09:38 AM
Replies: 211
Views: 22,070
Posted By Gabriel
No. Cabin crew have a code to enter the cockpit. ...

No. Cabin crew have a code to enter the cockpit.
Details of how the system works are not public (thankfully), but the pilots can actively block the access in response to an attempt to enter with the...
Forum: Aviation Safety Discussion Forum Yesterday, 09:34 AM
Replies: 13
Views: 729
Posted By Gabriel
Yes, agree. That's easy to answer: not a...

Yes, agree.


That's easy to answer: not a clue.
Forum: Aviation Safety Discussion Forum Yesterday, 07:27 AM
Replies: 211
Views: 22,070
Posted By Gabriel
On the contrary, I think that any reasonable...

On the contrary, I think that any reasonable pre-impact break-up process would leave a wide scatter areas, yes, but with some big chunks (Re: Lockerbie). The miniature debris that we can see there...
Forum: Aviation Safety Discussion Forum Yesterday, 04:02 AM
Replies: 211
Views: 22,070
Posted By Gabriel
Thanks. So it doesn't result in a phugoid (long...

Thanks. So it doesn't result in a phugoid (long period longitudinal oscillation).
Forum: Aviation Safety Discussion Forum Yesterday, 04:00 AM
Replies: 13
Views: 729
Posted By Gabriel
Good point but... If the AoA get's "frozen",...

Good point but...

If the AoA get's "frozen", that would hardly happen at stall warning AoA.
Rather to reacting to a false stall warning the greatest risk is, I think, not recognizing other cues...
Forum: Aviation Safety Discussion Forum Yesterday, 03:52 AM
Replies: 211
Views: 22,070
Posted By Gabriel
If the phugoid is true, then I think that no AP...

If the phugoid is true, then I think that no AP vertical mode will make that. If "open des" is like "speed mode" of "fltch" or "speed on elevator" mode, then that doesn't make a phugoid. (unless...
Forum: Aviation Safety Discussion Forum Yesterday, 03:46 AM
Replies: 211
Views: 22,070
Posted By Gabriel
Constant vertical speed, constant speed and...

Constant vertical speed, constant speed and constant track doesn't sound like catastrophic anything.

http://avherald.com/img/germanwings_a320_d-aipx_150324_map.jpg...
Forum: Aviation Safety Discussion Forum Yesterday, 03:42 AM
Replies: 211
Views: 22,070
Posted By Gabriel
It could be CFIT. It was more like 8...

It could be CFIT.

It was more like 8 minutes, what gives you some 3500 fpm average.
The descent rate was quite constant, as was the heading, and the ground speed (from radar data) was slowly...
Forum: Aviation Safety Discussion Forum Yesterday, 03:32 AM
Replies: 13
Views: 729
Posted By Gabriel
What (the heck) is it doing now???

David? What are you doing David? Sorry David. I can't allow you to pull up David. (Was it David?)

Super kuddos to the crew (even when perhaps they could have possibly done something better).
...
Forum: Aviation Safety Discussion Forum 03-19-2015, 12:25 AM
Replies: 30
Views: 1,242
Posted By Gabriel
Well, there are some airports where, beyond a...

Well, there are some airports where, beyond a certain point, you are really committed to land or crash. Take Lukla for example. If the bus full of nuns pulls on the RWY just as you are about to touch...
Forum: Aviation Safety Discussion Forum 03-18-2015, 02:53 PM
Replies: 30
Views: 1,242
Posted By Gabriel
Previous post edited as requested.

Previous post edited as requested.
Forum: Aviation Safety Discussion Forum 03-18-2015, 05:14 AM
Replies: 30
Views: 1,242
Posted By Gabriel
I must admit that I expected that I would be...

I must admit that I expected that I would be showing that the regulations are more stringent that what I found they are, particularly regarding the approach.

Re: Take off:

(d) No person...
Forum: Aviation Safety Discussion Forum 03-18-2015, 01:47 AM
Replies: 30
Views: 1,242
Posted By Gabriel
3we, I don't know you, but this rookie almost...

3we, I don't know you, but this rookie almost convinced me (you know what they say about absolute statements).

That said, I would not be Gabriel if I didn't fight back. Later, I'm busy now, so...
Forum: Aviation Safety Discussion Forum 03-17-2015, 04:43 PM
Replies: 30
Views: 1,242
Posted By Gabriel
How does that compare to losing an engine on...

How does that compare to losing an engine on take-off just after V1?
However unknown the position where you start the missing approach might be, it should not be lower than or forward of the...
Forum: Aviation Safety Discussion Forum 03-16-2015, 08:21 PM
Replies: 30
Views: 1,242
Posted By Gabriel
Modern DCVR is 0.5 hour in HQ and 2 hours in...

Modern DCVR is 0.5 hour in HQ and 2 hours in standard quality on a FIFO basis.
Modern DFDR has many many hours of recording on a FIFO basis too. Typically you'll have several previous flights...
Forum: Aviation Discussion Forum 03-15-2015, 03:58 PM
Replies: 12
Views: 346
Posted By Gabriel
For some reason the word "brick" in the call sign...

For some reason the word "brick" in the call sign of an airplane doesn't sound "elegant" to me.
Forum: Off Topic Forum 03-15-2015, 05:53 AM
Replies: 8
Views: 230
Posted By Gabriel
1) It uses the noun "flap", the noun "airspeed"...

1) It uses the noun "flap", the noun "airspeed" and the verb "fly". What more do you need? (It also tells us that Nineveh was one of the capitals of Assyria).

4) Which one?
Forum: Aviation Safety Discussion Forum 03-12-2015, 03:10 AM
Replies: 86
Views: 3,198
Posted By Gabriel
Wonderful. But that's not how humans work....

Wonderful. But that's not how humans work. Dedicated and well trained humans applying due diligence and good will do mistakes too. The conscious effort reduce the frequency of said mistakes.
Forum: Aviation Safety Discussion Forum 03-12-2015, 01:36 AM
Replies: 86
Views: 3,198
Posted By Gabriel
And when, from the last 3000 landings, in 3000 of...

And when, from the last 3000 landings, in 3000 of them the spoilers deployed, the mechanical reaction is to say "spoilers up" just as you did the last 3000 times. It takes a conscious effort to avoid...
Forum: Aviation Safety Discussion Forum 03-12-2015, 01:23 AM
Replies: 86
Views: 3,198
Posted By Gabriel
A thing called check / call spoilers check / call...

A thing called check / call spoilers check / call autobrakes check / call reversers in transit check / call ready reverse check / call speed call speed monitor landing performance be ready to take...
Forum: Aviation Safety Discussion Forum 03-11-2015, 08:21 PM
Replies: 86
Views: 3,198
Posted By Gabriel
Sandwich artists also screw it up from time to...

Sandwich artists also screw it up from time to time. And people has also died due to sandwich-makers not following the sandwich-making procedures.
Forum: Aviation Safety Discussion Forum 03-11-2015, 03:03 PM
Replies: 86
Views: 3,198
Posted By Gabriel
Saudi. The aviation-safety.net report that you...

Saudi. The aviation-safety.net report that you linked says that autobrakes were never armed.
Forum: Aviation Safety Discussion Forum 03-11-2015, 02:40 PM
Replies: 86
Views: 3,198
Posted By Gabriel
I din't know the no spoilers = no autobrakes...

I din't know the no spoilers = no autobrakes condition.

But even if correct, in this accident autobrakes would have never happened anyway because they were not armed to begin wuth.
Forum: Aviation Safety Discussion Forum 03-11-2015, 01:52 PM
Replies: 86
Views: 3,198
Posted By Gabriel
The antiskid (ABS) and I think the autobrakes too...

The antiskid (ABS) and I think the autobrakes too need the wheels to be spinning for technical reasons to operate. The ABS sense the wheel rotation to adjust the braking pressure and avoid or correct...
Forum: Aviation Safety Discussion Forum 03-11-2015, 01:25 AM
Replies: 1,824
Views: 249,521
Posted By Gabriel
Official preliminary factual report: ...

Official preliminary factual report:

http://mh370.mot.gov.my/download/FactualInformation.pdf
Forum: Aviation Safety Discussion Forum 03-10-2015, 11:22 PM
Replies: 86
Views: 3,198
Posted By Gabriel
WTF are you talking about?

WTF are you talking about?
Forum: Aviation Safety Discussion Forum 03-10-2015, 01:22 PM
Replies: 6
Views: 496
Posted By Gabriel
<iframe width="480" height="360"...

<iframe width="480" height="360" src="https://www.youtube.com/embed/YoFob0xJnbs?rel=0" frameborder="0" allowfullscreen></iframe>
.
Forum: Aviation Safety Discussion Forum 03-10-2015, 03:37 AM
Replies: 86
Views: 3,198
Posted By Gabriel
I have to reply to this comment from 2 different...

I have to reply to this comment from 2 different POVs:

1- Which, in many cases, would be solved with click click, clack clack, and flying it like a man (for which flying it similar to a C152 tends...
Forum: Aviation Safety Discussion Forum 03-09-2015, 09:57 PM
Replies: 86
Views: 3,198
Posted By Gabriel
Yes, I agree, but: In one of those...

Yes, I agree, but:

In one of those not-so-rare occasions, tell that person "what you said is stupid because X so it doesn't have merit" rather than "you are a stupid because Y so what you've said...
Forum: Aviation Safety Discussion Forum 03-08-2015, 08:38 PM
Replies: 1,824
Views: 249,521
Posted By Gabriel
The problem is that the input that the team...

The problem is that the input that the team received was "give us the best 60K Km2 area that you can determine", not "give us the area with 90% of probability". So they started to cut into the...
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