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- On May 13, 2019, a de Havilland Canada DHC-2 Beaver floatplane operated by Mountain Air Service collided with a Taquan Air de Havilland Canada DHC-3 Turbine Otter floatplane over George Inlet, Alaska, United States. The DHC-2 broke up in mid-air with the loss of the single pilot and all four passengers. The DHC-3 pilot was able to maintain partial control, but the aircraft sustained substantial damage in the collision and the subsequent forced landing; the pilot suffered minor injuries, nine passengers suffered serious injuries, and one passenger was killed. Both aircraft were conducting sightseeing flights under visual flight rules, which state that the pilot of each aircraft is responsible for visually ensuring adequate separation from other air traffic, commonly known as "see and avoid". In April 2021, the National Transportation Safety Board (NTSB) attributed the accident to "'the inherent limitations of the see-and-avoid concept, along with the absence of alerts from both airplanes' traffic display systems." Due to the angle of approach, the DHC-2 pilot's view was obscured by the aircraft structure and the passenger sitting in the right-hand seat, while the DHC-2 was blocked from the DHC-3 pilot's view by the left front window post. Both aircraft were equipped with Automatic Dependent Surveillance–Broadcast (ADS-B) traffic alert systems, but the DHC-3 automatic alert feature had been disabled by an equipment change, while the alert features of the DHC-2 system did not trigger because avionics in the DHC-3 were not broadcasting the aircraft's altitude. The NTSB also identified Taquan's inadequate preflight checklist and the Federal Aviation Administration's failure to require Taquan to implement a safety management system as contributing factors. (en)
- Em 13 de maio de 2019, um De Havilland Canada DHC-2 Beaver operado pela Mountain Air Service colidiu com um da sobre , Alasca, Estados Unidos. O DHC-2 se partiu no ar com a perda do único piloto e todos os 4 passageiros. O piloto do DHC-3 conseguiu manter o controle parcial, mas a aeronave sofreu danos substanciais na colisão e no subsequente pouso forçado. o piloto sofreu ferimentos leves, 9 passageiros sofreram ferimentos graves e 1 passageiro morreu. Ambas as aeronaves realizavam voos turísticos. A causa do acidente está sendo investigada pelo Conselho Nacional de Segurança nos Transportes (NTSB). (pt)
- 2019年5月13日，两架德哈维兰生产的水上飞机在美国阿拉斯加州上空相撞，其中DHC-2型飞机上的飞行员和4名乘客全部死亡，DHC-3型飞机上的飞行员实施了，致1名乘客死亡，9名乘客受重伤，飞行员自身受轻伤。两架飞机事发时都在执行观光飞行。美国国家运输安全委员会正对此事展开调查。 (zh)
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- 19580 (xsd:nonNegativeInteger)
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- N959PA taken from N952DB just before the collision; the red oval illustrates the window post blocking the pilot's view (en)
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- N952DB, the DHC-2 Beaver involved (en)
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- Ketchikan Harbor Seaplane Base (en)
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- N952DB DHC-2 Beaver Ketchikan 04-09-15 .jpg (en)
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- Mountain Air Service (en)
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- N959PA, the DHC-3 Otter involved (en)
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- Ketchikan Harbor Seaplane Base (en)
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- Taquan Air DHC-3 N959PA.jpg (en)
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| dbp:plane2Injuries
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- Ketchikan Harbor Seaplane Base (en)
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- George Inlet, Alaska, United States (en)
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- Mid-air collision, failure to see and avoid conflicting air traffic (en)
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- NTSB Board Meeting on accident (en)
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- 55.425555555555555 -131.505
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| rdfs:comment
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- Em 13 de maio de 2019, um De Havilland Canada DHC-2 Beaver operado pela Mountain Air Service colidiu com um da sobre , Alasca, Estados Unidos. O DHC-2 se partiu no ar com a perda do único piloto e todos os 4 passageiros. O piloto do DHC-3 conseguiu manter o controle parcial, mas a aeronave sofreu danos substanciais na colisão e no subsequente pouso forçado. o piloto sofreu ferimentos leves, 9 passageiros sofreram ferimentos graves e 1 passageiro morreu. Ambas as aeronaves realizavam voos turísticos. A causa do acidente está sendo investigada pelo Conselho Nacional de Segurança nos Transportes (NTSB). (pt)
- 2019年5月13日，两架德哈维兰生产的水上飞机在美国阿拉斯加州上空相撞，其中DHC-2型飞机上的飞行员和4名乘客全部死亡，DHC-3型飞机上的飞行员实施了，致1名乘客死亡，9名乘客受重伤，飞行员自身受轻伤。两架飞机事发时都在执行观光飞行。美国国家运输安全委员会正对此事展开调查。 (zh)
- On May 13, 2019, a de Havilland Canada DHC-2 Beaver floatplane operated by Mountain Air Service collided with a Taquan Air de Havilland Canada DHC-3 Turbine Otter floatplane over George Inlet, Alaska, United States. The DHC-2 broke up in mid-air with the loss of the single pilot and all four passengers. The DHC-3 pilot was able to maintain partial control, but the aircraft sustained substantial damage in the collision and the subsequent forced landing; the pilot suffered minor injuries, nine passengers suffered serious injuries, and one passenger was killed. Both aircraft were conducting sightseeing flights under visual flight rules, which state that the pilot of each aircraft is responsible for visually ensuring adequate separation from other air traffic, commonly known as "see and avoid" (en)
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- 2019 Alaska mid-air collision (en)
- Colisão aérea no Alasca em 2019 (pt)
- 2019年乔治湾撞机事故 (zh)
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- POINT(-131.50500488281 55.425556182861)
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