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Accident investigations from around the world image

Accident investigations from around the world

Canada, USA and the UK

Transport Safety Board of Canada:

Two Canadian investigations into mid-air collisions highlight difficulties of relying only on the 'see-and-avoid' principle in visual flight rules flying. 

Fatal mid-air collision between a Piper Arrow and a Lake Buccaneer near St Brieux, Saskatchewan on 12 May 2012

The Piper Arrow was descending eastbound in preparation for landing at the St. Brieux airport with one pilot and two passengers aboard. Meanwhile, the Lake Buccaneer with one pilot and one passenger aboard was flying northbound at 4500 feet toward La Ronge, SK.

The two aircraft collided approximately 8 nautical miles west of St. Brieux at approximately 4500 feet. There were no survivors and both aircraft were destroyed. Continue reading...

Defences to avert mid-air collision failed in accident near Warrenton, Virginia on May 2012

A Beechcraft was in a shallow climb, headed southbound, being operated VFR for the purposes of a biennial flight review. A Piper was in level flight, under VFR, and was heading in a southeasterly direction. The aircraft collided at approximately 1800 feet above sea level just after 4 pm Eastern Daylight Time in the area of Warrenton, Virginia.

The Beechcraft broke up in flight and the pilot and flight instructor were fatally injured. The pilot, sole occupant of the Piper, conducted a forced landing in a pasture approximately 6 nautical miles south of the Warrenton-Fauquier Airport (KHWY) and was injured. Continue reading... 

Collision between a train and a track unit Canadian National Railway, Messiter, British Columbia on 14 January 2012

Canadian National freight train A41651 13, proceeding eastward from Kamloops, British Columbia, to Edmonton, Alberta, struck a track unit at Mile 14.5 of Canadian National's Clearwater Subdivision. There were no injuries and there was no derailment. The track unit was destroyed. The lead locomotive of the train was undamaged. Continue reading... 


National Transportation Safety Board of the USA:

Crash following loss of engine power due to fuel exhaustion, Eurocopter helicopter on 26 August 2011 

At about 1841 central daylight time, a Eurocopter helicopter crashed following a loss of engine power as a result of fuel exhaustion near the Midwest National Air Center (GPH), Mosby, Missouri. The pilot, flight nurse, flight paramedic, and patient were killed, and the helicopter was substantially damaged by impact forces. 

The NTSB determined that the probable causes of this accident were the pilot's failure to confirm that the helicopter had adequate fuel on board to complete the mission before making the first departure, his improper decision to continue the mission and make a second departure after he became aware of a critically low fuel level, and his failure to successfully enter an autorotation when the engine lost power due to fuel exhaustion. Continue reading...


Air Accidents Investigation Branch of the UK:

ATR-42-300 speed excursions and stall alert on approach, Glasgow Airport on 22 February 2012

During a radar-vectored ILS approach of an ATR-42-300 at Glasgow Airport on 22 February 2012, the aircraft’s speed reduced and the stall alert activated. Corrective action led to an overspeed. Following further corrective action the speed reduced close to a second stall alert. Tiredness or fatigue may have been a factor. Continue reading...

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