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-   -   Turkish (private) jet down in Iran (https://www.pprune.org/biz-jets-ag-flying-ga-etc/606416-turkish-private-jet-down-iran.html)

Fly.Buy 11th Mar 2018 16:27

Turkish (private) jet down in Iran
 
A few news agencies are reporting that a Turkish private jet has crashed in Iran, between 11-20 people feared dead. Routed Sharjah to Istanbul. Operator and type of aircraft not known at moment.

gjp737 11th Mar 2018 16:35

Here a link

https://sputniknews.com/middleeast/2...ne-crash-iran/

Airbubba 11th Mar 2018 16:55

Possibly a Challenger 604, registration TC-TRB.

Airbubba 11th Mar 2018 17:47

Turkish media reports that the plane belonged to businessman Huseyin Basaran.

Basaran's daughter Mina was supposedly onboard with some friends after a bachelorette party for her in the UAE.

Social media postings in this article from the Turkish media:

https://www.sozcu.com.tr/2018/dunya/...gn=ilgilihaber

Chronus 11th Mar 2018 18:29

According to Turkish press reports, the owner`s daughter was returning from a hen party in Dubai and all on board were female, including an all female flight crew. The aircraft, a Challanger, crashed in mountainous terrain in SW Iran.

CaptainProp 11th Mar 2018 19:37

Very sad story.... Quite unusual with jets crashing from cruise level, cabin decompression?

CP

Chronus 11th Mar 2018 20:10

A number of foreign news agencies are reporting that according to witnesses in the vicinity of the crash, the aircraft was seen coming down in flames.

Tu.114 11th Mar 2018 20:26

This is not exactly unheard of in witness reports of other accidents, and usually unrelated to reality. May be that there is some confirmation bias involved.

Airbubba 11th Mar 2018 22:56

Flightradar24 was able to find altitude (but not position) data for the flight.

Looks like level flight at FL360 possibly followed by some sort of upset.


FIRESYSOK 12th Mar 2018 00:19


Originally Posted by Airbubba (Post 10080416)
Flightradar24 was able to find altitude (but not position) data for the flight.

Looks like level flight at FL360 possibly followed by some sort of upset.

https://twitter.com/flightradar24/st...87776818532353

Upset, or emergency descent below the grid MORA. Looks fairly steady

jack11111 12th Mar 2018 00:35

What is the data column just to the left of the altitude?

AN2 Driver 12th Mar 2018 00:49

The Iranian CAO has published a first news in Persian.

Google translate:

On the afternoon of Sunday, 20/12/1396, a Challenger 60 jet airliner, registered in Turkey, registered TC-TRB from the Sharjah airport in the United Arab Emirates to the Atatürk airport in Istanbul, in the UT430 air route, fades off the radar plate And collapsed in the Zagros Mountains surrounding Shahrekord.

This flight arrived in the Islamic Republic of Iran at 16:59 local time and suffered an accident at around 18:09 local time. According to the pilots of the pilot with the control center of the country, the pilot asked for a drop in height due to a technical problem, which during the reduction of height of 32 thousand feet, while the speed dropped, disappeared from the radar screen. According to information received by the Turkish company, it has 3 crew members and eight passengers. The nationality of two Spanish passengers and the rest of the citizens are Turkish nationals. The cooperation between the two Iranian and Turkish civil aviation organizations has been initiated from the early hours of the accident investigation and the coordination of the search and rescue by the Civil Aviation Organization. Responsibility for the accident investigation is in accordance with international regulations with the Iranian Civil Aviation Organization, and the countries of the Republic of Turkey, as airplanes and the Canadian Aircraft Designer and Manufacturer, can apply for assistance in the accident investigation process in accordance with the Chicago Convention and its appendices.

5 APUs captain 12th Mar 2018 06:05

A year before..... https://avherald.com/h?article=4a5e80f3

Fly.Buy 12th Mar 2018 07:05

Black box now recovered, unfortunately no surviours. Picture of wreckage on mountain here:

Turkey's crashed plane still in flames

andrasz 12th Mar 2018 07:23


Originally Posted by Fly.Buy (Post 10080647)
Picture of wreckage on mountain here:
Turkey's crashed plane still in flames

The picture is that of a Boeing Vertol (probably a CH-47) NOT the accident aircraft.

Fly.Buy 12th Mar 2018 08:07


Originally Posted by andrasz (Post 10080655)
The picture is that of a Boeing Vertol (probably a CH-47) NOT the accident aircraft.

Well spotted andrasz !!
Obviously the publication is using some sort of stock photo then.

JB LFPN FLYER 12th Mar 2018 08:46

Real photos of the crash site can be seen here :( https://www.yenisafak.com/dunya/iran...-cikti-3177446


https://pbs.twimg.com/media/DYExBkYX0AAnaLH.jpg:large

https://image.piri.net/resim/upload/...39d48f2c1b.jpg

Kulverstukas 12th Mar 2018 09:21

The Iranian Red Crescent Organization (IRCS) reported that it sent 10 rescue teams to the site of the crash of a Turkish private aircraft shortly after the incident.
The black box of a private Turkish passenger aircraft was found on Monday.
Search teams faced difficulties in reaching the place, because it was a mountainous region.
Local residents of the region found 8 bodies of 11 people aboard the aircraft in the Durk region of Anari Kiyar.
According to the Turkish media, the pilot in his last contact with the control demanded an urgent landing after the departure of the aircraft, and this request was registered.

JB LFPN FLYER 12th Mar 2018 10:47

Here is a link to the latest pictures of the crash site and the rescue operations .

https://www.ilnanews.com/%D8%A8%D8%A...A7%D8%B1%DB%8C

Fliegenmong 12th Mar 2018 11:01

Oh dear....that is a real mess.....not much of anything left at all....

andrasz 12th Mar 2018 14:37

Looking at the state of the engines it appears that neither were producing power at time of impact. Also the fairly large intact fuselage pieces suggest a relatively low speed.

olster 12th Mar 2018 14:42

Speculation can be unwise. However, I wonder if this could be a A380 wake encounter in RVSM airspace. I had one in a b737 some years ago and for a moment the aircraft was uncontrollable. Either way, rip to the victims.

lomapaseo 12th Mar 2018 14:57


Looking at the state of the engines it appears that neither were producing power at time of impact. Also the fairly large intact fuselage pieces suggest a relatively low speed.
That also can be what happens when the downstream (away from terrain) engines dislodge and hit tailpipe first and stop the fan.

Reading the tea leaves gives a clue about how it hit,not why it hit

Airbubba 12th Mar 2018 17:14


Originally Posted by olster (Post 10081140)
Speculation can be unwise. However, I wonder if this could be a A380 wake encounter in RVSM airspace. I had one in a b737 some years ago and for a moment the aircraft was uncontrollable. Either way, rip to the victims.

The only A380 I see passing the area of the crash around the time of the mishap is UAE37V (aka EK216) going opposite direction on UP574 at FL390. However they passed at 1407Z and according to the FR24 data TC-TRB was level at FL360 until something happened after 1430Z.

Also, I'm thinking that TC-TRB was probably on UT430, not UP574 from reports of the crash site location.

Chronus 12th Mar 2018 19:55

Quote from Kulverstukas post:
"According to the Turkish media, the pilot in his last contact with the control demanded an urgent landing after the departure of the aircraft, and this request was registered. "

According to the press reports I have read, the crew reported technical problems and requested a descent. It was shortly thereafter that a loss of speed, rapid descent and loss from radar seems to have ocurred.
Reading the version posted by Kulver, it does not seem to read quite right. In as much that an urgent landing was requested after departure. They were in the cruise, an hour or more into the flight, when the accident took place. Perhaps this is due to linguistics.

AN2 Driver 12th Mar 2018 22:11


Originally Posted by Kulverstukas (Post 10080743)
According to the Turkish media, the pilot in his last contact with the control demanded an urgent landing after the departure of the aircraft, and this request was registered.

Does not correspond to the Iranian Statement I quoted above.

They were in cruise and asked to descend, whereafter the radar contact was lost at FL320.

AN2 Driver 12th Mar 2018 22:12


Originally Posted by Airbubba (Post 10081307)
Also, I'm thinking that TC-TRB was probably on UT430, not UP574 from reports of the crash site location.

It was, as was confirmed by the Iranian Authorities.

atakacs 13th Mar 2018 15:31

Iran pax photo
 
FWIW PAX where these young ladies

http://www.20min.ch/images/content/2...77286/16/1.jpg

back from a hen party in Dubai...

Avenger 13th Mar 2018 18:12

Local sources are saying the pilot initially requested a climb to FL360 then made some comments about being low on fuel, subsequently requested descent to FL340 and then a rapid descent occurred with communication to FL120 thereafter the rest is history. There is a lot of speculation, however, the lack of coms tends to suggest some sort of pilot incapacitation and locals apparently reported seeing a jet "spinning " i,e stalled. We may never learn the real cause, very sad for such a happy event to end in this manner.

lomapaseo 13th Mar 2018 20:42


the lack of coms tends to suggest some sort of pilot incapacitation and locals apparently reported seeing a jet "spinning " i,e stalled. We may never learn the real cause, very sad for such a happy event to end in this manner.
This sure sounds speculative without an aviation source of facts

jack11111 13th Mar 2018 21:56

Perhaps there will be some passenger mobile phone video.

Anvaldra 14th Mar 2018 06:01

Some colleagues flew there that day and experienced very unstable atmosphere which caused speed shift, beyond the limitation in certain cases

Fly.Buy 14th Mar 2018 07:16

Not sure where this allegation came from :
Iran denies rejecting permission for emergency landing for crashed Turkish jet

SRS 14th Mar 2018 07:34

rotor lock
 
Some years ago a Pinnicle CRJ suffered engine rotor lock by trying to fly too high. Both engines shut down and could not be restarted. The resulting dead stick landing was fatal. I don't know if the engines came from the same family or if a fix was made for the problem.

butterfly68 14th Mar 2018 09:00

Are there any news about the black boxes? Usually the FDR is readable almost immediately...any local news about it? To drop out of the sky during cruise is so strange..smoke in the cabin? You start the descent, call the atc but then you cannot see anything anymore...it is just a thought of course.

JB LFPN FLYER 14th Mar 2018 13:13

Does anybody know why Canadian TSB did not comment or issue any kind of statement regarding this accident ? :rolleyes:

Chronus 14th Mar 2018 20:02


Originally Posted by Anvaldra (Post 10082869)
Some colleagues flew there that day and experienced very unstable atmosphere which caused speed shift, beyond the limitation in certain cases

Had it not been for the press reports that the crew had reported technical problems before requesting a level change, the above could perhaps have provided some basis for speculation that wheather could have been a factor. If therefore we accept the report of a technical problem as being correct, then I would have thought it would be reasonable to assume the ensuing crash is more likely to have been brought about by that than any other instigating factor in the causal chain of events.

butterfly68 14th Mar 2018 21:10

https://aviation-safety.net/database...?id=20180311-0

Here it says they were at FL360 .After 45 min they climbed at FL377 and then the pronounced descent started...I recall I have read something about atc saying the pilots were talking about fuel problems(but I cannot find this info anymore) so the climb could be a need to save fuel for endurance calculations..but an immediate descent after that? why? stall? is it related?

ThreeThreeMike 15th Mar 2018 05:51


Originally Posted by SRS (Post 10082932)
Some years ago a Pinnicle CRJ suffered engine rotor lock by trying to fly too high. Both engines shut down and could not be restarted. The resulting dead stick landing was fatal. I don't know if the engines came from the same family or if a fix was made for the problem.

The problem was fixed when the aircraft hit the ground, thus preventing the crew from performing any further acts of idiocy.

DaveReidUK 15th Mar 2018 08:02


Originally Posted by JB LFPN FLYER (Post 10083297)
Does anybody know why Canadian TSB did not comment or issue any kind of statement regarding this accident ?

Simple.

Accident investigation protocol is that it's for the investigating state (in this case Iran) to make any statements on the accident unless it chooses to delegate the investigation to another state.

Failing that, any TSB involvement would be as accredited representatives to the investigation, and it would not be expected to make any public comments while it is in progress.


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