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[Dunia]
Sinai Plane Crash: UPDATE - Black Boxes Point To Bomb On Board #317
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sis @Changa
dah jumpa analisa pakar aviasi yg cerdik sikit...jadi hakak tarik balik lah gelak sinis pasal horizontal stabilizer tetiba jahanam tu tadi 
19.22
Our Middle East editor, Richard Spencer, recommends reading this blog.
It provides a helpful analysis of what could have caused the crash - and why some of the speculation is unfounded.
Egypt air disaster
Suspicion points to flaw in plane's tail section
Initial reports of the Russian airliner crash over Sinai yesterday were quick to point out that the disaster occurred in an area where Egyptian security forces are fighting an Islamist insurgency. Several hours later a statement ostensibly issued by the Islamic State claimed to have shot the aircraft down. A video posted on the internet, and now widely discounted as a fake, purported to show the plane being hit by a missile and descending in a trail of smoke.
If the Airbus A-321 really had been destroyed by militants the most obvious conclusion would be to view it as a reprisal for Russia's military intervention in Syria. However, there is no reason at present to suppose the aircraft was shot down. Although some airlines had been warned not to fly over Sinai below 26,000 feet, Flight Radar shows the Russian plane was at 33,500 feet when the pilot lost control – far beyond the range of any weapons the Sinai militants are known to possess.
The only other way militants might conceivably have brought the plane down would be by planting a bomb on board or somehow sabotaging it before takeoff from Sharm el-Sheikh airport. That is one possibility the investigators will no doubt look at but, again, there is no evidence at present to suggest it is what actually happened.
Meanwhile, some of the technical discussion on aviation websites (PPRuNe and Aviation Herald) is focusing on the aircraft's tail section which, as can be seen from photographs of the crash site, became separated from other parts of the wreckage.
One fact which could be very relevant here is that 14 years ago the Airbus suffered a tailstrike which was then repaired. A tailstrike, as Boeing's website explains, occurs when an aircraft's tail makes contact with the runway during takeoff or landing (see graphic here).
Several comments on aviation websites point to a problem with the tail as a possible cause of yesterday's crash. For example, one posted at Aviation Herald says:
"It is thought-provoking that the entire tail-cone section housing the APU [auxiliary power unit] and the horizontal stabiliser has separated from the rest of the tail section rear of the aft doors and below the VS [vertical stabiliser] attachment. The start of the missing section corresponds to the position of the rear pressure bulkhead. This separation seems to have occurred while in-flight, as none of the missing wreckage is visible on any of the photos taken of the tail section from a number of angles."
A comment on PPRuNe notes that in photographs of the crashed tail section both sides of the horizontal stabiliser appear to be missing and goes on to suggest that investigators should focus on the tail section:
"I would be very interested in any recent maintenance/repairs of this area (rear bulkhead) as well as any historic damage.
"Jet suffered tailstrike damage in 2001 for which it received repairs. If I were investigating, I would be spending a fair old amount of time looking for any cyclic metal fatigue and crack propagation around the rear bulkhead area, any pre-crash impact damage with the screwjacks ... "
Another commenter writes:
"The tail section ... fell almost vertically and was crushed at the bottom, the impact also breaking the main spar of the VS [vertical stabiliser]. No trace of fire, and also no other wreckage is visible in the background on photos taken from different angles. The entire tail-cone section housing the APU and the entire HS structure is missing aft of the rear door and the pressure bulkhead.
"All this, together with reports of a large debris field, seems to confirm an in-flight breakup around the time radar contact ... was lost."
But how likely is it that a tailstrike in 2001 led to yesterday's crash? There have in fact been at least two previous crashes attributed to a tailstrike that occurred years earlier and had subsequently been repaired.
One was the crash of Japan Airlines Flight 123 in 1985. The Boeing 747 had been involved in a tailstrike seven years previously which damaged the rear pressure bulkhead. This was incorrectly repaired, reducing the bulkhead's resistance to metal fatigue. The Wikipedia entry says:
"During the investigation, Boeing calculated that this incorrect installation would fail after approximately 10,000 pressurisations; the aircraft accomplished 12,318 successful flights from the time that the faulty repair was made to when the crash happened.
"When the bulkhead gave way, the resulting explosive decompression ruptured the lines of all four hydraulic systems and ejected the vertical stabiliser. With the aircraft's flight controls disabled, the aircraft became uncontrollable."
Another example was China Airlines Flight 611 in 2002. The Boeing 747 had suffered a tailstrike 22 years earlier which was not repaired in accordance with Boeing's Structural Repair Manual. The Wikipedia entry says:
"Consequently, after repeated cycles of depressurisation and pressurisation during flight, the weakened hull gradually started to crack and finally broke open in mid-flight on 25 May 2002, coincidentally 22 years to the day after the faulty repair was made upon the damaged tail. An explosive decompression of the aircraft occurred once the crack opened up, causing the complete disintegration of the aircraft in mid-air."
Posted by Brian Whitaker
Sunday, 1 November 2015
- See more at: http://www.al-bab.com/blog/2015/ ... ZsP82.llFQ5Ja2.dpuf |
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pihak russia belum buka pun lagi katanya.
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kalau unverified video tu betul, nampak macam bom meletup kat atas.. condolence to all the family members.. kesian kat mangsa2 yg tak bersalah.. |
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video itu most likely fake kot?
during this time around 6AM di area sana matahari dah naik ke dek?
kecelakaan itu berlaku around 6AM++ local time gitu.
lagi satu, "pesawat" itu nampak too low bukan at cruise level
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Saya pun baru nak quote pasal kes rear pressure bulkhead rupture pesawat Japan Air lines tersebut.
fefeeling pakar aviasi pulak
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Nahas Sinai : Pesawat Rusia ‘berkecai di udara’Pesawat itu membawa 217 penumpang, termasuk 25 kanak-kanak, dan tujuh orang anak kapal. -Foto EPA
[size=100%]SINAI, 2 November : Pesawat Rusia yang terhempas di semenanjung Sinai, Mesir, membunuh semua 224 orang di atas kapal, dilaporkan ‘berkecai di tengah udara’ menurut sumber rasmi Rusia. Ketua Interstate Jawatankuasa Penerbangan Rusia, Victor Sorochenko, berkata, masih terlalu awal untuk membuat kesimpulan apa yang menyebabkan kemalangan itu pada Sabtu. Katanya kepada pemberita yang dilaporkan BBC, serpihan ditemui di seluruh kawasan kejadian dengan setakat ini hanya sekitar 163 mayat telah ditemui. Rusia berada dalam keadaan berkabung semalam berikutan nahas udara yang disifatkan paling buruk di negara itu. Ketua Agensi Pengangkutan Udara Rusia, Aleksandr Neradko, berkata bahawa ‘semua papan tanda membuktikan kepada fakta bahawa pesawat hancur di atas udara’.
Berikutan itu, beberapa syarikat penerbangan utama, Emirates, Air France-KLM, Lufthansa, dan Qatar Airways telah memutuskan untuk tidak terbang ke atas Semenanjung Sinai sehingga maklumat lanjut boleh didapati. Pesawat itu membawa 217 penumpang, termasuk 25 kanak-kanak, dan tujuh orang anak kapal. Kebanyakan penumpang adalah Rusia, tetapi sekurang-kurangnya tiga adalah warganegara Ukraine dan satu Belarus. Sebuah pesawat membawa pulang 162 mayat ke Rusia meninggalkan Kaherah lewat petang semalam, kata seorang pegawai lapangan terbang.
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byk nye kes kemalangan kapal terbang sekarang..
takut nye.. |
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agak2 la, mana sampai ke atas nun
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kesiannya. berkecai di udara.
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13:28 GMT
Specialists from the Russian Emergency Ministry, together with their colleagues from Egypt, are expanding the search zone to 30 sq. km, said Vladimir Puchkov, the head of Russia’s Emergencies Ministry. Earlier, the ministry defined the area of search operations as 16 sq. km.
10:20 GMT
The jet must have been damaged by a force in flight and couldn’t have just broken apart, the Kogalymavia airline said during a press conference.
“The only possible explanation is a mechanical force acting on the aircraft,” Aleksandr Smirnov, who supervises the company’s fleet, said. “There is no combination of system failures that could have broken the plane apart in the air.”
Viktor Yung, deputy director of the airline, added the crew of Kolavia Flight 7K9268 was apparently disabled before the aircraft started its rapid descent and crashed in the Sinai Peninsula.
“As the catastrophic incident started to develop, the crew members were rendered completely incapable. This explains why they didn’t attempt to contact air traffic and report the incident happening on board,” he said.
09:07 GMT
Siberian operator Kogalymavia, also known as Metrojet, has not paid any salary to its employees for at least two months, Russia's Labor Inspection Services told RIA Novosti.
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............ satu je yg mungkin menenangkan sedikit hati waris2 para mangsa ..... yang ... kejadian berlaku sekelipan mata ... booomm ... just like that .... para mangsa tidak menderita di atas sana ..... kalau pikirkan yang mereka sangat2 ketakutan dan panicking pabila pesawat mula menjunam misalnya ... itu lebih memeritkan .... |
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Ngerinya.. mayat hancur. Pecah berderai. YaAllah.. tuhari pun sewaktu saya dalam flight. Tiba2 flight bergegor. Goyang. Masing2 macam dah panik dah. Haishhh tak terbayang la saat2 flight terhempas ni.. |
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Kesiannya kepada anak kapal. Dah 2 bulan tak dibayar gaji
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dia orang bukan sangka baik xkan isis buat macam tu??dia orang bersangka xkanlah isis "mampu" buat macam tu.. sangkaan baik tu sebenarnya pandang rendah.. dan aku pun rasa bukan isis..
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peduli apa penghantar mcD delivery cam lu rasa...
tarak kesan pada dunia pun apa lu rasa..
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kesiannya...sayu hati bila dapat tahu crash..semalam dalam berita kapal kargo plak crash.. |
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Rakaman dari kotak hitam pesawat memberi petunjuk bahawa berlaku letupan di dalam pesawat
http://news.yahoo.com/black-box-confirms-violent-sudden-demise-russian-plane-172633620.html
Russian plane black boxes point to 'attack', Putin halts flights
Paris (AFP) - Analysis of black boxes from the Russian plane that crashed in Egypt killing 224 people points to a bomb, sources close to the probe said Friday, as Moscow halted flights to the country.
Meanwhile, British airlines were scrambling to evacuate passengers in Sharm el-Sheikh after cancelling flights to the Red Sea resort from which the doomed Airbus took off.
The flight data and voice recorders showed "everything was normal" until both failed at 24 minutes after takeoff from the Sharm el-Sheikh resort Saturday, pointing to "a very sudden explosive decompression," one source said.
The Islamic State group claimed it down the plane, providing no details, saying it was retaliation for Russian air strikes in Syria.
The data "strongly favours" the theory a bomb on board brought down the plane, the source added.
Another source said the plane had gone down suddenly and violently.
One of the black boxes showed that the plane suffered "a violent, sudden" end, a source close to the case in Paris told AFP.
The flight data recorder showed that "everything was normal during the flight, absolutely normal, and suddenly there was nothing".
President Vladimir Putin ordered flights halted , although Moscow had previously downplayed reports that a bomb caused the crash.
Kremlin spokesman Dmitry Peskov told news agencies the measure did not mean Russia believed it was an attack as the investigation continued.
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Ramai pelancong tengah terkandas di Sharm el-Sheikh, sbb semua flights ditangguhkan... takut serangan terrorist katanya. |
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Nampaknya zionis silap lagi kali ni. Perbuatan lempar batu invalid pada zaman sekarang... |
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lagi kes di sinai:
4 anggota keselamatan Mesir terkorban serangan IS
KAHERAH: Dua polis Mesir dan dua askar terkorban dalam serangan bom di Semenanjung Sinai pada Ahad, lokasi yang sering menjadi sasaran Kumpulan Negara Islam (IS) menyerang pasukan keselamatan. Pegawai berkata, dalam satu serangan, bom yang diletupkan menggunakan alat kawalan jauh terkena kenderaan polis ketika pasukan keselamatan menjalankan operasi mencari di Wilayah Rafah, sempadan dengan Semenanjung Gaza menyebabkan dua polis terbunuh. Seorang pegawai polis dan seorang askar turut terbunuh dalam serangan sama di Sheikh Zuwaid, utara Sinai. Tiada pihak mengaku bertanggungjawab terhadap serangan itu tetapi wilayah itu adalah kubu kuat IS. - AP
SERANGAN bom Kumpulan Negara Islam di Wilayah Rafah, Khaerah. |
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Author
Post time 2-11-2015 01:35 PM
