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20th Mar 2019, 08:00
Replies: 1
Views: 115
Posted By DaveReidUK

It's apparently genuine (the Gardian 2...

It's apparently genuine (the Gardian 2 prototype).

See https://www.caea.info/en/la-collection/le-materiel/39-collection/transport-civil/239-dassault-falcon-20g-hu-25a-guardian

Visible on the...
19th Mar 2019, 23:42
Replies: 998
Views: 291,443
Posted By DaveReidUK

Well I received a reply today from one of the...

Well I received a reply today from one of the Heathrow team, responding on behalf of their CEO. Unsurprisingly, he declined to provide the requested breakdown of the metric scores that should add up...
19th Mar 2019, 19:59
Replies: 22
Views: 1,398
Posted By DaveReidUK

Presumably the airline felt it would be better to...

Presumably the airline felt it would be better to have the aircraft 60 miles down the road in Birmingham, rather than 2,000 miles away in Cyprus.
19th Mar 2019, 15:55
Replies: 261
Views: 227,777
Posted By DaveReidUK

Possibly connected with the fact that hardly...

Possibly connected with the fact that hardly anyone wanted to buy them any more.
19th Mar 2019, 07:44
Replies: 660
Views: 1,306,102
Posted By DaveReidUK

You must be reading a different article. ...

You must be reading a different article.

From the one that you linked to:



Which do you think is more likely to be something that the NTSB would actually say ?
18th Mar 2019, 22:35
Replies: 77
Views: 62,501
Posted By DaveReidUK

The prospect of a Lightning flying around UK...

The prospect of a Lightning flying around UK skies nowadays, whether piloted by an ex-WIWOL or not, would be simultaneously thrilling and terrifying ... :O
Forum: Tech Log
18th Mar 2019, 19:10
Replies: 15
Views: 1,001
Posted By DaveReidUK

No, but FAA disapproval does, so to speak. ...

No, but FAA disapproval does, so to speak.

FAA type certification is accepted by many countries, but notable exceptions (other authorities that issue their own TCs) include Brazil and, of course,...
18th Mar 2019, 16:40
Replies: 283
Views: 282,688
Posted By DaveReidUK

Hard to tell, as your link just brings up a...

Hard to tell, as your link just brings up a Google search page, but if you're referring to the synthetic airspeed (aka "AoA airspeed") that's generated on the 787 derived from inertial data and AoA...
Forum: Tech Log
18th Mar 2019, 13:35
Replies: 5
Views: 912
Posted By DaveReidUK

Yes, I'd be surprised if 10 years wasn't enough...

Yes, I'd be surprised if 10 years wasn't enough time to develop a workaround. The aircraft itself hasn't changed, of course.
18th Mar 2019, 08:34
Replies: 92
Views: 96,262
Posted By DaveReidUK

My understanding is that MCAS uses Captain's and...

My understanding is that MCAS uses Captain's and F/O's AoA sources on alternate flights.
Forum: Tech Log
18th Mar 2019, 07:57
Replies: 5
Views: 912
Posted By DaveReidUK

Some carriers have reportedly encountered W&B...

Some carriers have reportedly encountered W&B limitations on the 737NG too, because of the nature of their operation.

PPRuNe: Ryanair Weight and Balance Issues?...
18th Mar 2019, 07:48
Replies: 92
Views: 96,262
Posted By DaveReidUK

Not if, as implied in the article, MCAS...

Not if, as implied in the article, MCAS deployment is limited to a single application.
18th Mar 2019, 07:43
Replies: 16
Views: 8,076
Posted By DaveReidUK

Yes - 1991-vintage, originally delivered to...

Yes - 1991-vintage, originally delivered to Nippon Cargo
18th Mar 2019, 07:38
Replies: 2,160
Views: 5,546,978
Posted By DaveReidUK

Interesting graphic. The altitude spike...

Interesting graphic.

The altitude spike where the aircraft dips below the runway surface(!) accompanied by a single, instantaneous 2000+ fpm ROC value is clearly an artifact (unless Newton got it...
17th Mar 2019, 22:24
Replies: 92
Views: 96,262
Posted By DaveReidUK

The thinking behind that is presumably that it is...

The thinking behind that is presumably that it is safer to assume that the higher of two differing AoA signals is the correct one and initiate a single-shot application of MCAS if the criteria are...
17th Mar 2019, 22:09
Replies: 2,160
Views: 5,546,978
Posted By DaveReidUK

Particularly when you consider that "AOA...

Particularly when you consider that "AOA DISAGREE" warning functionality is fitted to many 737 Max aircraft.
17th Mar 2019, 13:45
Replies: 22
Views: 1,398
Posted By DaveReidUK

Roughly 1 in 200 arrivals at LGW go around - 699...

Roughly 1 in 200 arrivals at LGW go around - 699 in total last year.
17th Mar 2019, 10:35
Replies: 2,160
Views: 5,546,978
Posted By DaveReidUK

It would also open up a huge can of worms...

It would also open up a huge can of worms regarding how Lion Air operates. As put, very eloquently, by a previous poster:
17th Mar 2019, 10:05
Replies: 92
Views: 96,262
Posted By DaveReidUK

I don't believe that in this day and age you can...

I don't believe that in this day and age you can run a commercial aircraft programme while simultaneously incorporating "secret stuff" than only a handful of people in the company know about. Many,...
17th Mar 2019, 09:54
Replies: 45
Views: 19,724
Posted By DaveReidUK

(post deleted as there's no point in leaving it...

(post deleted as there's no point in leaving it now that the mods have deleted all the subsequent discussion)
17th Mar 2019, 09:38
Replies: 2,160
Views: 5,546,978
Posted By DaveReidUK

The Lion Air crew didn't figure that out, period....

The Lion Air crew didn't figure that out, period.

AFAIK, there is no evidence that the engineeer on board was on the flight deck, or even that their presence on the flight at all was for...
16th Mar 2019, 10:58
Replies: 2,160
Views: 5,546,978
Posted By DaveReidUK

You're probably right. But what's really...

You're probably right.

But what's really needed is an in-depth look at the (changed) relationship between the regulators and the industry (by no means confined to the USA).
16th Mar 2019, 07:44
Replies: 2,160
Views: 5,546,978
Posted By DaveReidUK

Do you mean a stick-pusher? Or a stick-shaker?...

Do you mean a stick-pusher? Or a stick-shaker? They are two different things.

Incidentally, a poster earlier asked about the manufacturer of the 737 NG/Max AoA probe. I don't recall the question...
15th Mar 2019, 22:46
Replies: 92
Views: 96,262
Posted By DaveReidUK

I haven't noticed any such instances on FR24, but...

I haven't noticed any such instances on FR24, but other flight trackers (RadarBox24, for example) have certainly been known to get confused between a Max and an NG.
15th Mar 2019, 21:03
Replies: 2,160
Views: 5,546,978
Posted By DaveReidUK

Those ASRS reports that have been widely...

Those ASRS reports that have been widely circulated are anonymous. How do you know none of them were from SWA pilots?
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