News & Comment

Unexpected Load: AS350B3 USL / External Cargo Accident in Norway

Posted by on 3:22 pm in Accidents & Incidents, Helicopters, Human Factors / Performance, Logistics, Mining / Resource Sector, Safety Management

Unexpected Load: AS350B3 Under Slung Load (USL) / External Cargo Accident in Norway The  - the Statens Havarikommisjon for Transport [SHT] in Norwegian) has issued its final report on a helicopter accident that occurred near Toms, in Norway on 20 July 2016.  It involved Airbus Helicopters AS350B3 LN-OSN of HeliScan that was supporting powerline construction by Consorzio Italia 2000 for power utility Statnett with Helicopter Sling Load Operations (HESLO).  The AIBN report that: During a landing to load off [three] personnel, an external load...

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Airworthiness Matters: Next Generation Maintenance Human Factors

Posted by on 9:36 pm in Fixed Wing, Helicopters, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Regulation, Safety Culture, Safety Management

Airworthiness Matters: Next Generation Maintenance Human Factors Aerossurance’s Andy Evans wrote an article in the current issue of the International Federation of Airworthiness (IFA) Airworthiness Matters magazine on: Next Generation Maintenance Human Factors (available here: IFA Airworthiness Matters 2016). The article starts by discussing a Royal Aeronautical Society (RAeS) conference: Maintenance Human Factors: The Next Generation.  At that event Professor Dave King highlighted we needed to think”about a next generation...

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Drone Goes Walkabout: Hemispherical Human Factors Hiccup

Posted by on 7:43 pm in Accidents & Incidents, Helicopters, Human Factors / Performance, Safety Management, Special Mission Aircraft, Survivability / Ditching

Drone Goes Walkabout: Hemispherical Human Factors Hiccup On 27 September 2016, a 55lb / 25kg Pulse Aerospace Vapor 55 Remotely Piloted Air System (RPAS) / Unmanned Air System (UAS) or ‘drone’ helicopter, suffered a Loss of Control (LOC) was operating a trial flight at Lighthouse Beach, Ballina, NSW. The RPAS helicopter had been operating in manual mode for about 7 minutes when the data link was lost.  According to the Australian Transport Safety Bureau (ATSB) investigation report: Thirty seconds later, the RPA entered the ‘home’...

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Mitsubishi MRJ Schedule Slips Further

Posted by on 9:09 am in Design & Certification, Fixed Wing, News

Mitsubishi MRJ Schedule Slips Further In a press conference update on progress with the MRJ regional jet, Mitsubishi Heavy Industries (MHI) has confirmed, as anticipated,  a two-year delay to the programme.  The first MRJ90, the 90 seat version, is now expected to be delivered to launch customer All Nippon Airways (ANA) in mid-2020. This is not the first delay in the programme.  So far there have been 5 slips in the delivery schedule, totalling 5 years. The prototype first flew on 11 November 2015, but a year later there was a major...

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Confusion of Compelling, But Erroneous, Synthetic Vision Display

Posted by on 6:24 pm in Accidents & Incidents, Business Aviation, Design & Certification, Fixed Wing, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Safety Management, Special Mission Aircraft

Confusion of Compelling, But Erroneous, Synthetic Vision Display Synthetic Vision Systems (SVS) are an increasingly common tool to enhance flight crew situational awareness.  The crew of an Australian Pilatus PC-12/47E (PC-12NG) however were momentarily misled during a night-time medevac take-off by their SVS on 18 June 2016. The PC-12 Synthetic Vision System The Honeywell Primus Apex SmartView SVS display is shown below. It depicts a ’3-D’ style-view of surrounding terrain, obstacles and runways, overlayed with attitude, altitude...

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EasyJet and Airbus Collaborate on ‘Big Data’ IVHM

Posted by on 10:06 am in Design & Certification, FDM / Data Recorders, Fixed Wing, HUMS / VHM / UMS / IVHM, Maintenance / Continuing Airworthiness / CAMOs, Safety Management

EasyJet and Airbus Collaborate on ‘Big Data’ Integrated Vehicle Health Monitoring In a project, first revealed in mid 2015, EasyJet and Airbus are collaborating on ‘big data’ Integrated Vehicle Health Monitoring (IVHM) technology. At a SAE/RAeS/Cranfield University IVHM workshop Aerossurance participated in at the Farnborough International Airshow in July 2016, Ian Davies, EasyJet’s Head of Engineering & Technical Director commented how 20 years ago Health and Usage Monitoring Systems (HUMS) had become normal...

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Performance Based Oversight: Accountable Manager Meetings (CAP1508)

Posted by on 7:07 pm in Regulation, Safety Management

Performance Based Oversight: Accountable Manager Meetings The UK Civil Aviation Authority (UK CAA) has published a new leaflet on Accountable Manager Meetings (AMMs): CAP1508: Getting the most out of the Accountable Manager Meeting As the UK CAA focus more on Performance Based Regulation (PBR), and specifically Performance Based Oversight (PBO), AMMs are increasingly a key part of the UK CAA’s approach. Accountable Manager Meeting Guidance The aim is to ensure both the regulator and the Accountable Manager (AM) of an approved...

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EC130B4 Loss of Control on Take-Off in Dubai

Posted by on 8:04 pm in Accidents & Incidents, Airfields / Heliports / Helidecks, Design & Certification, FDM / Data Recorders, Helicopters, Human Factors / Performance, Regulation, Safety Management, Survivability / Ditching

EC130B4 Loss of Control on Take-Off in Dubai On 22 January 2014, Airbus Helicopters EC130B4 helicopter A6-DYR of Helidubai crashed after suffering a loss of control departing the heliport at the Atlantis Palm hotel in Dubai, UAE. The Accident Flight The Air Accident Investigation Sector (AAIS) of the UAE General Civil Aviation Authority (GCAA) say in their investigation report that the aircraft was positioning back to Dubai International Airport at the end of the day’s flying programme. Onboard were the Pilot and, as a passenger, the...

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Power of Prediction: Foresight and Flocking Birds

Posted by on 3:04 pm in Accidents & Incidents, Air Traffic Management / Airspace, Airfields / Heliports / Helidecks, Design & Certification, Fixed Wing, Regulation, Resilience, Safety Culture, Safety Management

Power of Prediction: Foresight and Flocking Birds On 15 January 2009, two minutes after take off from LaGuardia Airport (LGA), New York City, US Airways Flight 1549, Airbus A320-214, N106US, encountered a flock of Canada Geese.  The US National Transportation Safety Board (NTSB) investigation report says: Both engines were operating normally until they each ingested at least two large birds (weighing about 8 pounds each), one of which was ingested into each engine core, causing mechanical damage that prevented the engines from being able to...

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Sikorsky S-92A Loss of Tail Rotor Control Events

Posted by on 9:07 pm in Accidents & Incidents, Design & Certification, Helicopters, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Offshore, Oil & Gas / IOGP / Energy, Safety Management

Sikorsky S-92A Loss of Tail Rotor Control Events The UK Air Accidents Investigation Branch (AAIB) have issued a Special Bulletin on an occurrence involving Sikorsky S-92A G-WNSR of CHC Scotia on 28 December 2016, which they have classified as an Accident.  This involved the failure of both the tail rotor pitch change shaft bearing and the servo piston rod itself, resulting in a total loss of tail rotor control, fortuitously without injury.  We look at the background to this accident. The Accident Flight The S-92A was on a four-sector...

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