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Air Algerie loses contact with its plane leaving Ouagadougou

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Air Algerie loses contact with its plane leaving Ouagadougou

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Old 25th Jul 2014, 06:58
  #61 (permalink)  
 
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I'm tentatively putting my $10 on a failed jack screw.
I think that lesson has been learned by everyone in the aviation industry. These are the accidents that only happen once, and then make it into all textbooks. (on the other hand it has been the nut, not the screw, so maybe you just give an example that not everybody has learned the lesson correctly...)
German news were reporting about heavy sandstorms in the area, how high can they possibly reach?
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Old 25th Jul 2014, 07:16
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Regarding Swiftair...

They are partly a Pay-to-Fly Airline where young, inexperienced pilots PAY the Airline over 30.000 euro just for the right to work for them a couple of months. After that, they are often kicked out and replaced by new ones.
This is certainly the case on ATR42/72. I don't know if they do this on MD83 and B737.
The crews I have met however were all nice, professional but critical of the practices and work ethics of their Upper Management.

I do know that the technical status of their B737 fleet is often questionable, resulting in them seeing their DHL work reduced very recently due to reliability issues.
I do doubt though that Swiftair crews would go airborne with an not airworthy aircraft.
Swiftair also has good Africa experience, flying B737, MD83 and ATR's all over the Continent.
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Old 25th Jul 2014, 07:44
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German news were reporting about heavy sandstorms in the area, how high can they possibly reach.

>>>>>

One source states sandstorms can rise to c-50 ft, others give over 20,000 ft. Maybe others can give more reliable info. Is the cruising height the a/c was on at the time of the diversion known ?
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Old 25th Jul 2014, 07:49
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Sandstorms ? Go back 1 page to post 59.Can reach to 39,000 feet
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Old 25th Jul 2014, 08:15
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Reuters reporting

Bad weather likely cause of Air Algerie crash: French officials

Poor weather was the most likely cause of the crash of an Air Algerie flight over the West African state of Mali with 116 people on board, French officials said on Friday.

Investigators at the scene of the crash had concluded the airliner broke apart when it hit the ground, the officials said, suggesting this meant it was unlikely to have been the victim of an attack.

(...)

Separately, Transport Minister Frederic Cuvillier said the strong smell of aircraft fuel at the crash site and the fact that the debris was scattered over a relatively small area also suggested the cause of the crash was linked to weather, a technical problem or a cumulation of such factors.

"We exclude - and have done so from the start - any ground strike," Cuvillier told France 2 television.
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Old 25th Jul 2014, 08:44
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Other planes in area?

In some of the news stories about the crash, there have been reports that the plane deviated to avoid bad weather, and also to ensure separation from the Algiers - Bamako flight.

Has anyone seen reports from other pilots in the area that night? It would be interesting to have their analysis of the weather conditions, etc.

I apologize I don't know how to check flightaware or other sites to find out what other planes might have been on a similar route at the time of the crash.
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Old 25th Jul 2014, 09:39
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Regarding Swiftair...

They are partly a Pay-to-Fly Airline where young, inexperienced pilots PAY the Airline over 30.000 euro just for the right to work for them a couple of months. After that, they are often kicked out and replaced by new ones.
This is certainly the case on ATR42/72. I don't know if they do this on MD83 and B737.
Pilots were from Spanair, that means they had easily 20000 and 10000h and most of them on type
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Old 25th Jul 2014, 09:58
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I've flown along that trans-Sahara route a many many times (primarily between London and Accra / Ghana, and other West African destinations, in B737-700 and B757-200) that said, there's no radar coverage over vast swathes of the Sahara Desert and therein ATC uses what's known as a 'procedural service' (i.e. using only radio position reports), and that radio position reporting was often via HF and seemingly to some bloke sitting in a tin shack in Bamako and whom sounded like he was speaking into a tin bucket (and all he ever wanted to know was your aircraft type and registration, so that they could send your airline the bill for their 'service')

Also at this time of year, the ITCZ can top out out +50 thousand feet, therein allowing Cb's to grow to huge size... and trust me when I say that Cb's over the Sahara can match anything that the mid-west USA has to offer in its tornado season.

You can be at +FL370 and yet still looking up to see the the top of those clouds as they stretch high above you, even when you're +100 Nm away from them. I've also regularly witnessed lightening jumping the gaps between those Cb's, and you can sometimes even smell the electrical ozone in the air. Those Cb's can be true monsters and well worthy of giving much respect and distance !

Accordingly it's also not uncommon to be hundreds of miles off track (as indeed will be other aircraft too) whilst dodging around lines of massive thunderstorms. However, given the difficulty of getting an ATC 'Clearance' (i.e. to diverge away from the airway), rather than dive through a Cb, you just did whatever was necessary to avoid it (just as indeed would everybody else). At those times, TCAS and 126.9 (IFBP) are invaluable aids for Situational Awareness!

TIA !
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Old 25th Jul 2014, 10:07
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BBC reports flight recorder found

BBC is reporting on a statement by French President Hollande.

- No survivors
- French troops on site of crash
- A "flight data recorder" has been found
- Speculation that this was weather related

BBC News - Air Algerie AH5017: 'No survivors' from crash in Mali

Would weather reports of other pilots / flights possibly in the vicinity that night, e.g. Bamako Algiers (AH5009) or Accra Amsterdam (KLM 590)
be available online anywhere?
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Old 25th Jul 2014, 10:25
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For aircraft to "disappear from radar " you need to have a radar in the first place.
I would suggest that the above phrase is a generic one used to describe an aircraft that is missing i.e. no comms.
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Old 25th Jul 2014, 10:47
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Originally Posted by Hunter58
What exactly would be the advance in flight safety by sending endless data streams from a plane in duress instead of a carefull, lengthy analysis later on?

Position reporting in a given timeframe, ok, makes sense for narrowing down SAR, but the plethora of data?

Position an absolute must, there may be survivors who die before you find it.

Plethora of data is also essential take mh370 , we would probably know what caused it as well as a very good idea where it is.

How long was it before they found payne stewart's aircraft on land.
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Old 25th Jul 2014, 10:50
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Also at this time of year, the ITCZ can top out out +50 thousand feet, therein allowing Cb's to grow to huge size...
Indeed. As I mentioned yesterday the one near AH5017 grew to just under FL500. Not uncommon for the region.
From what I can see this one also seems to have ejected a lot of 'junk' (presumably ice and sand) into the upper atmosphere. The crash site is right in the region where all this would be slowly descending back to lower altitudes.
No matter if they were a factor in this or not: African CBs are nasty, nasty, things.
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Old 25th Jul 2014, 11:16
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Originally Posted by oldoberon
How long was it before they found payne stewart's aircraft on land.
Not very long, one would imagine, as it had been intercepted by a pair of F-16, one of which was with it when it eventually ran out of fuel. Or did you mean Steve Fossett?
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Old 25th Jul 2014, 11:20
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Of course it's a weather issue..even if we have to wait for the investigation, I put hand on fire. No mistery in this crash.
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Old 25th Jul 2014, 11:24
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Stewart's Jet

How long was it before they found payne stewart's aircraft on land.
Not sure of your point??? Stewart's jet was intercepted 3 different times when it became unresponsive and "escorted" by Air National Guard F-16s up to when the aircraft ran out of fuel and crashed. One F-16 followed it on the way down as well.
The aircraft also did not have a FDR.
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Old 25th Jul 2014, 11:25
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Hi,

First images (video) of the crash site
INFO FRANCE 2. Les premières images des débris de l'avion d'Air Algérie
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Old 25th Jul 2014, 11:47
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Air France to avoid overflying of North Mali, management said;
Air France has ordered all its aircraft around the Mali following the crash of an Air Algeria flight Thursday, Friday Juniac Alexander, the CEO of Air France, micro Europe 1 . This decision held until further notice, pending more information on this tragic incident, said the head of the airline.


Air France décide de contourner le Mali - Europe1.fr - Economie#


Link in French...

Last edited by RFGN; 25th Jul 2014 at 13:00.
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Old 25th Jul 2014, 13:53
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Press conference in Paris

Mr Laurent Fabius Minister of Foreign Affairs, Mr Le Drian Minister of Defence and Mr Cuvillier Minister of Transport.
Crash site is in the Gossi area 150km SW of Gao.
A drone Riper found debris at around 20LT (2000z) in night condition.
There had been informations previously gathered from various sources, Burkinabe, Malian and Dutch military from the MINUSMA. Field of debris is secured and is a square of approximately 300m by 300m.
Malian authorities have requested assistance from France in the inquiry. A team of the BEA and forensic experts are send today and should be on scene tomorrow.
No indication given on which Black box has been found...
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Old 25th Jul 2014, 15:07
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@ RFGN:

According to an (edited?) version of the article you linked, the no-fly order was only for a brief period of time, and routes flown are now "back to normal" (since noon today).

Air France a donné un temps l'ordre à tous ses avions de contourner le Mali suite à l'accident d'un vol d'Air Algérie jeudi, a annoncé vendredi Alexandre de Juniac, le Pdg d'Air France, au micro d'Europe 1. Cette décision avait été prise le temps d'en savoir plus sur cet incident dramatique, a précisé le patron de la compagnie aérienne. Depuis vendredi midi, "les survols ont repris, la situation est revenue à la normale", a précisé une porte-parole à Reuters.
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Old 25th Jul 2014, 16:06
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Perhaps it's of particular interest today that AVHerald has just posted the final report about an incident of a temporary loss of control by AirFrance flight AF-3575 over Tanzania in February 2012, following an encounter with severe weather in the ITCZ.

Report: Air France A332 over Tanzania on Feb 12th 2012, severe turbulence and temporary loss of control
http://www.bea.aero/docspa/2012/f-cg...g120227.en.pdf

Last edited by Kbboca; 25th Jul 2014 at 17:16. Reason: [edited for spelling]
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