News Russian passenger jet reported missing in Indonesia

IronRain

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A Russian Sukhoi Superjet 100 passenger plane with at least 44 people aboard has gone missing on a demonstration flight in Indonesia, reports say.

The plane disappeared from radar screens during a flight from Jakarta meant to last 30 minutes, a blogger with the Sukhoi delegation said.

Helicopters were dispatched to look for the jet, thought to have been flying near a mountain, Sergey Dolya said.

Emergency services confirmed a Sukhoi plane was missing.

The plane, which took off at 07:00 GMT, is believed to have had about four hours' fuel aboard, the BBC's Karishma Vaswani reports from Jakarta.

Gagah Prakoso, spokesman for Indonesia's national search and rescue agency, said 46 people had been aboard the plane, which vanished from radar near Bogor, a city in West Java province.

He told BBC News it was unclear who was on board because they were people invited by Sukhoi, but they were "likely to be reps of Indonesian airlines".

Dolya tweeted that there were 44 people aboard, eight of them Russians.

The plane took off from east Jakarta's Halim Perdanakusuma airport, which is used for some commercial and military flights, at 14:00 (07:00 GMT), the Indonesian search and rescue agency spokesman said.

"At 14:50 it dropped from 10,000ft [3,000m] to 6,000ft," the agency told AFP.

Herry Bakti, head of the transport ministry's aviation division, said the aircraft had been on the second of two demonstration flights, and those on board were invited guests.

The Russian embassy in Jakarta said in a statement earlier this week that a Sukhoi Superjet 100 demonstration would take place in Jakarta on Wednesday, AFP added.

The embassy could not be immediately reached for comment.

The Superjet, a mid-range airliner that can carry up to 100 people, is military plane-maker Sukhoi's first commercial aviation plane.

It was created by a joint venture, majority-owned by Sukhoi, with Italy's Finmeccanica and a number of other foreign and Russian firms also involved.

Gagah Prakoso told the BBC that Sukhoi had been offering the Superjet to Indonesian airlines.

Source

_60116298_141287002.jpg

This image shows a Superjet on a display flight in India in March
 

N_Molson

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Did you see how it bounces on landing on the video ? :blink: I'm not an expert but I have some doubts about the stability of the thing at landing speeds.
 

Eccentrus

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Local news source said that the passengers are reps of two of the local airlines, some people from the embassy, and two local-aero-enthusiast-magazine reporters.

The place where they went missing is really bad, notorious for the rain and fog, especially in seasons like this. And from what I read in local news sources, the plane was reported to be missing near the mountain Salak, which currently has poor visibility.
 

kerlix

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is that rotated 90*, or did they go straight into a wall of earth?

---------- Post added at 05:55 AM ---------- Previous post was at 05:52 AM ----------

Nevermind. Wall of rock.....
 

Eccentrus

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Salak's slope is nearly 60 degrees if my memory is correct, so yeah, they did go straight into a wall of rock, still no news about any survivors here, Condolences for those who are lost.

On a side note, the region is heavily mountained, and normally no civil flight, especially with planes that size, ever traverse through there, even the nearby Metropolis of Bandung is notorious for the difficulty for civil flights (there the reason to move the city's airport to the west of the mountain ranges)

---------- Post added at 01:13 PM ---------- Previous post was at 01:08 PM ----------

7056621597_2ef7d0875f_z.jpg


6910705012_6a88365f25_z.jpg


air-panas-kaki-salak1-1024x768.jpg


Here's some pictures to help you visualize what kind of region where the plane crashed.

---------- Post added at 01:16 PM ---------- Previous post was at 01:13 PM ----------

Forgot to add that Salak is still an active volcano, if that might contribute to the cause of the accident.
 

Linguofreak

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Wow. What a huge PR crisis for Sukhoi... It's bad enough when a plane you build goes down, but when it goes down while you're demoing it to airlines...

OTOH, there's some indication that it might be human error (the plane had apparently requested permission to descend right before the crash).
 

SiberianTiger

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A more wide view of the crash site. Looks like the pilot has almost made it over the ridge which appeared in front of him. Most of the debris should definitely be sought down the slope...

9078e87957d4.jpg
 

garyw

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SiberianTiger

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The pilot, Alexander Nikolayevich Yablontsev, born in 1955, was once selected to fly a Buran and underwent Cosmonaut training course in 1991. Since 1992 was a test pilot in Tchkalov Flight Test Centre in Zhukovsky. Between 1998 and before 2008 worked as a commercial lines pilot. Since 2008, worked a master test pilot at Sukhoi corporation, responsible for Sukhoi SSJ-100's maiden flight and test programme.

His bio (in Russian), at astronaut.ru: http://astronaut.ru/as_rusia/gknii/text/yablontsev.htm

It was hard to expect a childish mistake of him.
 

Urwumpe

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What wonders me is the claimed speed of descent after getting permission to reduce the altitude.

Either, they tried to fly through the steep valleys to give the passengers something to look at, which would be pretty bad.

Or they tried to windmill the engines from too low altitude, but then there should have been a call of emergency first.

A technical defect can be ruled out currently, it sounds more like a navigation error.
 

Artlav

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Crash site coordinates 06.42.61.3S 106.44.41.2Е, 5200 feet elevation.
Most recent updates, from one of the bloggers from the tour:
http://twitter.com/#!/dolyasergey

In short:
-45 people were on board the plane.
-Helicopter-delivered rescue crews were not able to descent to the site, nobody have reached the site yet.
-Ground crews from below are expected next day local time.
-Climbing up the 80 degrees slope, 1.5 km remaining.
-Information is contradictory from all over the place
 

Ripley

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Did you see how it bounces on landing on the video ? :blink: I'm not an expert but I have some doubts about the stability of the thing at landing speeds.
I guess it's only because of the plane being completely unloaded (for the show).
 

indonesianorbinaut

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i read in local news source, it was Alexander Nikolayevich Yablontsev first time to fly a plane Indonesia, so it maybe the reason why the plane was crashed is the pilot didn't know enough the topography of Mount Salak
 

Urwumpe

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i read in local news source, it was Alexander Nikolayevich Yablontsev first time to fly a plane Indonesia, so it maybe the reason why the plane was crashed is the pilot didn't know enough the topography of Mount Salak

Possible, but he already flew this route on that day earlier, but I don't yet know how the second flight diverted to lead into the crash.

Usually, ATC is also responsible to keep an eye on you, especially about minimum altitudes. The plane got lost when it descended to the requested altitude, the crash site does not seem to be much lower with 5200 ft vs 6000 ft (Thats only ~250 meters).

Especially with good visibility - such a mountain does not pop up suddenly. Maybe the plane already hit some trees before on another part of the mountains. Or the dense vegetation and lack of a visible horizon made the pilot overestimate his altitude.

It is a real mystery.
 

Artlav

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It is a real mystery.
Hopefully the black boxes can survive a head-on collision with a mountain at cruise velocity.
An intact CVR can rule out all the trivial possibilities, like failed hedge-hopping around the mountaintops to make an impression.
It's a sales pitch flight after all.
 
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