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Jet probe turns to oxygen bottles Jet probe turns to oxygen bottles
(about 2 hours later)
A possible oxygen cylinder blast is a main focus for investigators looking into what caused a hole mid-flight in the fuselage of a Qantas passenger jet.A possible oxygen cylinder blast is a main focus for investigators looking into what caused a hole mid-flight in the fuselage of a Qantas passenger jet.
Investigator Neville Blyth said a cylinder was missing from the plane but it was "too early to say whether this was the cause of the explosion".Investigator Neville Blyth said a cylinder was missing from the plane but it was "too early to say whether this was the cause of the explosion".
Qantas has been told to inspect every oxygen bottle on its Boeing 747 fleet.Qantas has been told to inspect every oxygen bottle on its Boeing 747 fleet.
The plane was flying to Melbourne when it had to make an emergency landing in the Philippines on Friday.The plane was flying to Melbourne when it had to make an emergency landing in the Philippines on Friday.
Passengers reported a loud bang and then rapid decompression of the cabin.Passengers reported a loud bang and then rapid decompression of the cabin.
'No evidence of explosives''No evidence of explosives'
"At this stage, there is no evidence whatsoever that this is a security-related event," Mr Blyth, a senior investigator from the Australian Transport and Safety Bureau, told a news conference in Manila."At this stage, there is no evidence whatsoever that this is a security-related event," Mr Blyth, a senior investigator from the Australian Transport and Safety Bureau, told a news conference in Manila.
WHY QF30 DESCENDED 20,000FT Planes are pressurised as cruising altitudes are freezing and lack sufficient oxygen to breathe Hole causes decompression, rapidly reducing air pressure and risking exposure Oxygen masks are deployed and pilot makes emergency descent to breathable altitude class="" href="/1/hi/world/asia-pacific/7525597.stm">What went wrong on the plane? Australian Transport and Safety Bureau senior investigator Neville Blyth
"This is being treated as a safety investigation.""This is being treated as a safety investigation."
Philippine bomb-sniffing dogs had gone through the cargo hold and found no indication of explosives, and there was no evidence of bomb residues, Mr Blyth said.Philippine bomb-sniffing dogs had gone through the cargo hold and found no indication of explosives, and there was no evidence of bomb residues, Mr Blyth said.
He added: "It is too early to say whether this was the cause of the explosion, but one of the cylinders which provides back-up oxygen is missing."He added: "It is too early to say whether this was the cause of the explosion, but one of the cylinders which provides back-up oxygen is missing."
WHY QF30 DESCENDED 20,000FT Planes are pressurised as cruising altitudes are freezing and lack sufficient oxygen to breathe Hole causes decompression, rapidly reducing air pressure and risking exposure Oxygen masks are deployed and pilot makes emergency descent to breathable altitude What went wrong on the plane?
The initial inquiry is likely to take two to three days and a preliminary report on the findings should be released in two to three months, Mr Blyth said.The initial inquiry is likely to take two to three days and a preliminary report on the findings should be released in two to three months, Mr Blyth said.
Passengers described hearing a large bang and feeling a rush of wind and debris through the cabin about an hour after Flight QF30 left Hong Kong at 0900 local time (0100 GMT) on Friday.Passengers described hearing a large bang and feeling a rush of wind and debris through the cabin about an hour after Flight QF30 left Hong Kong at 0900 local time (0100 GMT) on Friday.
The Australian Transport Safety Bureau said the aircraft made an emergency descent from 29,000ft to 10,000ft before stabilising. It said initial information indicated that a section of the fuselage had separated in the area of the forward cargo compartment.The Australian Transport Safety Bureau said the aircraft made an emergency descent from 29,000ft to 10,000ft before stabilising. It said initial information indicated that a section of the fuselage had separated in the area of the forward cargo compartment.


Were you on the plane? If you have any information you would like to share with the BBC you can do so using the form below.Were you on the plane? If you have any information you would like to share with the BBC you can do so using the form below.
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