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Atlantic Airways Flight 670 was a crash following a runway overrun of a British Aerospace 146-200A at 07:32 on 10 October 2006 at Stord Airport, Sørstokken, Norway. The aircraft's spoilers failed to deploy, causing inefficient braking. The Atlantic Airways aircraft fell over the edge past the runway at slow speed and burst into flames, killing four of sixteen people on board. The flight was chartered by Aker Kværner from Stavanger Airport, Sola via Sørstokken to freight its employees from there and Stord to Molde Airport, Årø. An investigation was carried out by the Accident Investigation Board Norway (AIBN). It was not able to find the underlying cause of the spoilers malfunction. However, it found that disemployment of the anti-lock braking system caused hydroplaning and subsequently reducing ability to brake. Given the small speed at the time of the over run, this, in part induced by lack of procedures and training in spoiler failure were decisive in the cause. The damage was aggravated through a minimal safety zone surrounding the runway. ==Flight== Flight 670 was a regular, chartered morning flight for Aker Kværner to transport its employees from Stavanger Airport, Sola and Stord Airport, Sørstokken to Molde Airport, Årø on 10 October 2006. The flight was then scheduled to return. The aircraft had landed at Sola at 23:30 the day before and a 48-hour inspection was carried out during the night and completed at 05:00. The flight departed Sola at 07:15, just after schedule, with twelve passengers and a flight crew of four. The pilot in command was designated pilot flying, while the first officer was designated pilot not flying.〔AIBN: 5〕 The pilots had flow in as passengers on an Atlantic Airways flight to Stavanger the evening before. The commander had carried out twenty-one landings at Sørstokken previously.〔AIBN: 13〕 The weather was reported as wind speed of , a few clouds at 750 meters (2,500 ft) altitude, visibility exceeding and air pressure (QNH) of .〔 The accident aircraft was a British Aerospace (BAe) 146-200 with serial number E2075 and registration OY-CRG. It first flew in 1987 and was originally sold to an airline of the United States. Six months later it was sold to Atlantic Airways as the first of this type. The last inspection was carried out on 25 September 2006, 78 flight hours before the accident. At the time of the accident the aircraft had flown 29,828 hours and 21,726 cycles.〔AIBN: 16〕 The BAe 146 is a jetliner specifically designed for short runway operations. Equipped with four Avco Lycoming ALF502R-5 geared turbofan engines, the aircraft is designed for flat landings, where the main and nose landing gears hit the runway nearly simultaneously. It has powerful wheel and airbrakes, with large spoilers to dump lift immediately on touchdown, but lacks thrust reversal.〔AIBN: 15〕 Stord Airport, Sørstokken is a municipal, regional airport located on the peninsula of Sørstokken on the island of Stord at an elevation of . The runway, aligned 15/33 (roughly north-north-west and south-south-east) is long and wide. It has thresholds on each end and a landing distance available of .〔AIBN: 35〕 At both ends of the runway the ground slopes steeply downwards. This was sufficient safety area according to requirements at the time of the airport's construction, but the requirements had been changed by the time of the accident.〔AIBN: 36〕 The runway is presumed to be damp at the time of the accident, although such information was not relayed to the pilots.〔AIBN: 34〕 Atlantic Airways is the national airline of the Faroe Islands and was at the time owned by the Government of the Faroe Islands. OY-CRG was one of five BAe 146s in Atlantic Airway's fleet at the time of the accident.〔AIBN: 63〕 The airline was flying a long-term charter contract with for Aker Kværner, who was participating in the construction of the gas field Ormen Lange in the vicinity of Molde. The contract involved regular flights between Stavanger Airport, Sola via Stord Airport, Sørstokken to Molde Airport, Årø and return five times each week. The company also flew to Alta Airport from Stavanger and Stord in relation to the construction of Snøhvit. To allow full take-off weight for the latter service, Atlantic Airways applied the Civil Aviation Authority of Norway on 18 February 2005 for permission to use a longer take-off distance at Sørstokken. This was rejected because the airport's limits were already below international minimum recommendations.〔AIBN: 64〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Atlantic Airways Flight 670」の詳細全文を読む スポンサード リンク
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