News & Comment

Merlin Night Airprox: Systemic Issues

Posted by on 3:34 pm in Accidents & Incidents, Air Traffic Management / Airspace, Design & Certification, Helicopters, Human Factors / Performance, Military / Defence, Safety Management, Special Mission Aircraft

Merlin Night Airprox: Systemic Issues A Royal Navy Leonardo Merlin helicopter from RNAS Culdrose was in the hover, at night on 7 August 2018, slightly to the west of Falmouth at 40ft, facing west, with all floodlights on. The crew were conducting SAR training with a ‘dead-Fred’ training aid.  According to a report from the UK Airprox Board: At around 2217hrs, the final lift was being conducted and, as the training aid was being brought to the door, the ‘double-lift man’ and winch operator lost control of it and it fell back into the water. At...

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AS350B2 Accident After Vibration from Unrecorded Maintenance

Posted by on 5:26 pm in Accidents & Incidents, Airfields / Heliports / Helidecks, Helicopters, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Safety Management

AS350B2 Accident After Vibration from Unrecorded Maintenance On 15 February 2018, Sahtu Helicopters (a subsidiary of Great Slave Helicopters) Airbus Helicopters AS350B2 C-FWCR landed on a 16 feet by 16 feet (i.e 0.27 D) helipad at a telecommunications tower at Bear Rock, Northwest Territories (NWT), and was shut down at 0958. The landing site is 3 nm WNW of Tulita (NWT), where the recorded temperature was −27 °C. According to the Transportation Safety Board (TSB) safety investigation report: Approximately 30 minutes after landing, given the...

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ADA AW139 A6-AWN Ditching off UAE, 29 April 2017: Final Report

Posted by on 3:46 pm in Accidents & Incidents, Helicopters, Human Factors / Performance, HUMS / VHM / UMS / IVHM, Maintenance / Continuing Airworthiness / CAMOs, Offshore, Oil & Gas / IOGP / Energy, Safety Management, Survivability / Ditching

ADA AW139 A6-AWN Ditching off UAE, 29 April 2017: Final Report Leonardo AW139 A6-AWN, operated by Abu Dhabi Aviation (ADA), made a precautionary ditching off the coast of the UAE near Mubarraz Island on 29 April 2017. The aircraft (MSN41213, a long-nose 139 built in the US in 2009) capsized before salvage.  This occurrence was subject to investigation by the Air Accident Investigation Sector (AAIS) of the UAE General Civil Aviation Authority (GCAA).  Their final report was issued in January 2019. History of the Flight The investigators report...

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Meeting Your Waterloo: Competence Assessment and Remembering the Lessons of Past Accidents

Posted by on 11:10 am in Accidents & Incidents, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Safety Culture, Safety Management

Meeting Your Waterloo: Collision at London Waterloo, 15 August 2017 Raises Questions of Competence Assessment and Remembering the Lessons of Past Accidents On the morning of 15 August 2017, a 10 coach South West Trains (SWT) passenger train, callsign 2D03, collided with a stationary engineering train at 13 mph while leaving Platform 11 at London Waterloo station. The Rail Accident Investigation Branch (RAIB) report that there were no injuries “but both trains were damaged and there was serious disruption to train services until the...

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A319 / Cougar Airprox at MRS: ATC Busy, Failed Transponder and Helicopter Filtered From Radar

Posted by on 4:30 pm in Accidents & Incidents, Air Traffic Management / Airspace, Airfields / Heliports / Helidecks, Fixed Wing, Helicopters, Human Factors / Performance, Safety Management

A319 / Cougar Airprox at MRS: ATC Busy, Failed Transponder and Helicopter Filtered From Radar On 27 June 2016, Air France Airbus A319 F-GRHX, with 132 people onboard, passed Airbus Helicopters Cougar F-ZWBS with a minimum separation of 0.2 nm horizontally and 240 ft vertically on approach to Marseille-Provence Airport (close to the points marked ’10′ below). According to the Bureau d’Enquêtes et d’Analyses (BEA) investigation report (published only in French), the helicopter was returning from a VFR test flight to the east of the...

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Production Defect IFSD Triggers Night Deadstick PC-12 Landing

Posted by on 7:53 am in Accidents & Incidents, Fixed Wing, Safety Management, Special Mission Aircraft

Production Defect IFSD Triggers Night Deadstick PC-12 Landing On 29 January 2010, a Pilatus PC-12/45 VH-NWO, was being operated by the Royal Flying Doctor Service (RFDS) on a night medical evacuation flight from Derby to Kununurra, Western Australia. As the aircraft was passing through 18,000 ft, the Pratt & Whitney Canada (PWC) PT6A-67B engine exhibited a number of problems so the pilot turned the aircraft back to Derby. WA. The engine subsequently failed approximately 6 nm from Derby and the pilot glided the aircraft to a safe deadstick...

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Commander of Crashed Dash 8 Q400 in Nepal “Harboured Severe Mental Stress” Say Investigators

Posted by on 11:15 am in Accidents & Incidents, Fixed Wing, Human Factors / Performance, Safety Management

Commander of Crashed Dash 8 Q400 in Nepal “Harboured Severe Mental Stress” Say Investigators US-Bangla Airlines flight 211, a Bombardier Dash 8 Q400 S2-AGU, crashed on landing at Kathmandu-Tribhuvan Airport, Nepal on 12 March 2018, resulting in the death of 51 of the 71 persons on board. The Accident Investigation Commission’s final report, issued 27 January 2019, concluded: The PIC who was also the pilot flying was under stress and emotionally disturbed as he felt that the female colleague of the company questioned his...

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MC-12W Loss of Control Orbiting Over Afghanistan: Lessons in Training and Urgent Operational Requirements

Posted by on 11:30 am in Accidents & Incidents, Design & Certification, Fixed Wing, Human Factors / Performance, Military / Defence, Safety Management, Special Mission Aircraft

MC-12W Loss of Control Orbiting Over Afghanistan: Lessons in Training and Urgent Operational Requirements (UORs) On 27 April 2013 a US Air Force (USAF) Beechcraft MC-12W Liberty King Air 350, 09-0676, of the 361st Expeditionary Reconnaissance Squadron (361 ERS), suffered as Loss of Control – Inflight (LOC-I) and crashed 110 miles northeast of Kandahar, Afghanistan during a combat Intelligence, Surveillance and Reconnaissance (ISR) mission. The crew of four was killed on impact.  The crew consisted of a Mission Commander (sat in the...

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Software Bug and High Winds Down Drone

Posted by on 6:55 pm in Accidents & Incidents, Design & Certification, Helicopters, Safety Management, Special Mission Aircraft, Unmanned

Software Bug and High Winds Down Drone  The UK Air Accidents Investigation Branch (AAIB) has reported on an accident involving a 2.4kg Aeryon Skyranger R60 Unmanned Air System (UAS) / quadcopter drone serial number SR9112798 on at 03:30 Local Time on 18 January 2018 at Brixton, London. The Accident Flight The AAIB report that: The UA [Unmanned Aircraft] was being operated in a built-up area at night, with appropriate authorization from the CAA. It was carrying a camera and was being operated by a pilot and observer.  Both the pilot and...

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RCMP AS350B3 Left Uncovered During Snowfall Fatally Loses Power on Take Off

Posted by on 11:02 pm in Accidents & Incidents, Helicopters, Human Factors / Performance, Safety Management, Special Mission Aircraft

RCMP AS350B3 Left Uncovered During Snowfall Fatally Loses Power on Take Off On 17 January 2012, Royal Canadian Mounted Police (RCMP) Eurocopter AS350B3 C-FMPG, was destroyed and its pilot killed at Cultus Lake, near Chilliwack, British Columbia. History of the Flight According the Transportation Safety Board of Canada (TSB) final report, earlier in the day, the helicopter had deployed from Vancouver to a Canadian Dept of National Defence (DND) site at Cultus Lake. At 1145, the helicopter took off and carried out human external transportation...

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