AIRCRAFT SERIOUS INCIDENT INVESTIGATION REPORT AIRBUS A320-200, JA8947
**** Hidden Message ***** AIRCRAFT SERIOUS INCIDENT<BR>INVESTIGATION REPORT<BR>ALL NIPPON AIRWAYS<BR>AIRBUS A320-200, JA8947<BR>(DECOMPRESSION IN AN AIRCRAFT CABIN)<BR>September 27, 2002<BR>Aircraft and Railway Accidents Investigation Commission<BR>Ministry of Land, Infrastructure and Transport<BR>1<BR>AIRCRAFT SERIOUS INCIDENT INVESTIGATION REPORT<BR>ALL NIPPON AIRWAYS FLIGHT 465<BR>AIRBUS A320-200, JA8947<BR>DECOMPRESSION IN AN AIRCRAFT CABIN<BR>OVER THE SEA OF JAPAN 75 KM N.W. OF TOYAMA CITY, TOYAMA<BR>PREFECTURE, JAPAN<BR>AT ABOUT 11:45 JST, DECEMBER 27, 2001<BR>September 27, 2002<BR>Decision by the Aircraft and Railway Accidents Investigation<BR>Commission(Air Sub-committee Meeting)<BR>Chairman Junzo Sato<BR>Member Ryouhei Katsuno<BR>Member Susumu Kato<BR>Member Sumio Matsuura<BR>Member Yukiko Kakimoto<BR>Member Kozaburo Yamane<BR>2<BR>1. PROCESS AND PROGRESS OF THE SERIOUS INCIDENT<BR>INVESTIGATION<BR>1.1 Summary of the Serious Incident<BR>On Thursday December 27, 2001, an Airbus A320-200 of All Nippon Airways (ANA),<BR>registration JA8947 (hereinafter referred to as the said aircraft), departed Niigata Airport<BR>at 11:20 (JST) as scheduled passenger flight 465 to Naha Airport. The aircraft was cruising<BR>at flight level (FL) 350 bound for Naha Airport over the Sea of Japan approximately 75km<BR>northwest of Toyama City when a drop in cabin air pressure occurred at around 11:45. As a<BR>result, the said aircraft made an emergency descent and diverted to Osaka International<BR>Airport, where it landed at 12:25.<BR>There were 55 persons on board flight 465—49 passengers, the Captain and five other<BR>crew members. There were no injuries to persons on board.<BR>This incident was treated as a serious incident under Civil Aviation Regulation<BR>Operating Standard Article 166 Section 4 Item 10 “Abnormal drop of cabin pressure in an<BR>aircraft”.<BR>1.2 Outline of the Serious Incident Investigation<BR>1.2.1 The Organization of the Investigation<BR>On December 27, 2001, the Aircraft and Railway Accidents Investigation Commission<BR>(ARAIC) assigned an Investigator-in-Charge and two other investigators with responsibility<BR>for investigating this serious incident.<BR>1.2.2 Cooperating Parties<BR>Personnel from the Ministry of Land, Infrastructure and Transport’s Civil Aviation<BR>Bureau (CAB) cooperated in the investigation of the aircraft and other matters in relation to<BR>this serious incident.<BR>1.2.3 Cooperation by Foreign Authorities<BR>The German Federal Bureau of Aircraft Accident Investigation (BFU) cooperated as<BR>witnesses to the detailed investigation of safety valves of the cabin pressurization system.<BR>1.2.4 The Implementation of the Investigation<BR>The investigation proceeded as follows.<BR>December 28–29, 2001 Investigation of the aircraft and<BR>collection of witness statements.<BR>3<BR>December 28, 2001–January 10, 2002 Analysis of DFDR data and CVR<BR>recordings<BR>December 31, 2001 Collection of witness statements<BR>January 8–24, 2002 Safety valve investigation<BR>February 6–8, 2002 Additional safety valve investigation at<BR>the manufacturer’s facility (witnessed<BR>by the BFU)<BR>1.2.5 Hearings from Persons relevant to the Cause of the Serious Incident<BR>Hearings were held to hear the opinions of persons concerned with the cause of this<BR>incident. 看看的哦 谢谢
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