News & Comment

Impromptu Flypast Leads to Disaster

Posted by on 7:18 pm in Accidents & Incidents, Fixed Wing, Human Factors / Performance, Safety Culture, Safety Management, Special Mission Aircraft

Impromptu Flypast Leads to Disaster The Icelandic Transportation Safety Board (ITSB), the RNF, issued their report on a dramatic Beechcraft King Air 200 accident that occurred on 5 August 2013.  The air ambulance, TF-MYX, operated by Mýflug Air, was heading back to its home base at Akureyri (BIAR) Airport, after completing an earlier ambulance flight, with two flight crew and a paramedic on board. The Accident Flight The ITSB say: During cruise, the flight crew discussed the commander’s wish to deviate from the planned route to BIAR, in order...

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EASA Annual Safety Review 2017 Published

Posted by on 1:27 pm in Accidents & Incidents, Fixed Wing, Helicopters, Regulation, Safety Management

EASA Annual Safety Review 2017 Published The European Aviation Safety Agency (EASA) Annual Safety Review for 2017 is now available. In the introduction to the Agency’s 12th review, EASA’s Executive Director Patrick Ky says: 2016 has brought continued improvements in safety across almost every operational domain. It was the lowest year in terms of fatalities in airline operations in aviation history. However, the fatal accident involving a cargo flight in Sweden that took place in January highlighted the complex nature of aviation...

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Ingestible Stomach Acid-Powered Health Monitoring Pill

Posted by on 8:13 am in Human Factors / Performance, News, Safety Management

Ingestible Stomach Acid-Powered Health Monitoring Pill When Aerossurance normally discusses Health Monitoring technology its typically the monitoring for failures in engines and helicopter gear boxes.  A new development moves health monitoring into a new realm that offers exciting possibilities to human fatigue and alertness researchers. Researchers from MIT and Brigham and Women’s Hospital in Boston, Massachusetts designed a high-tech health monitoring pill can be swallowed by humans.  It has an energy harvesting galvanic cell that runs on...

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Perception and Fatigue: CH124 Sea King Engine Failure

Posted by on 6:39 am in Accidents & Incidents, Helicopters, Human Factors / Performance, Military / Defence, Safety Management

Perception and Fatigue: CH124 Sea King Engine Shutdown The Royal Canadian Air Force (RCAF) have reported on an incident during training of a new Maintenance Test Pilot (MTP) that lead to an engine failure on Sikorsky CH124 Sea King CH12428 on 11 May 2015 over the Strait of Juan de Fuca, South of Victoria, British Columbia. During the conduct of the number one engine manual throttle topping check, the MTP Trainee inadvertently bumped the manual throttle slightly forward and had to re-establish hand position on the manual throttle lever. The...

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Hazardous Hangar Hovertaxy

Posted by on 3:51 pm in Accidents & Incidents, Helicopters, Human Factors / Performance, Safety Management

Hazardous Hangar Hovertaxy The pilot of Robinson R44 N804DF decided to hover-taxy into a hangar in Spofford, Texas because, as he told the US National Transportation Safety Board (NTSB): …convective activity was approaching the airport and he did not have ground-handling equipment (wheels) to move the helicopter. While that might be considered reckless by some, emboldened by successfully manoeuvring into the hangar: The following morning, he attempted to hover-taxi out of the hangar for a positioning flight…. Our regular readers...

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Super Puma Epicyclic Gear Health Monitoring Background

Posted by on 10:06 pm in Accidents & Incidents, Design & Certification, Helicopters, HUMS / VHM / UMS / IVHM, Maintenance / Continuing Airworthiness / CAMOs, Offshore, Oil & Gas / IOGP / Energy, Regulation, Safety Management

Super Puma Epicyclic Gear Health Monitoring Background The investigation into loss of CHC Helikopter Service Airbus Helicopters EC225/H225 LN-OJF on 29 April 2016 has created interest in the health monitoring on the type’s epicyclic planet gears. This article draws on a the most recent Accident Investigation Board Norway (AIBN – the Statens Havarikommisjon for Transport [SHT] in Norwegian) 102 page preliminary report on the LN-OJF accident, issued on 28 April 2017. AIBN say that LN-OJF suffered a second stage planet gear fatigue...

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Helicopter Ops and Safety – Gulf Of Mexico 2016 Update

Posted by on 6:40 pm in Accidents & Incidents, Airfields / Heliports / Helidecks, Helicopters, Offshore, Oil & Gas / IOGP / Energy, Safety Management, Survivability / Ditching

Helicopter Ops and Safety – Gulf of Mexico 2016 Update The Helicopter Safety Advisory Conference (HSAC) has been publishing data on the Gulf of Mexico (‘GOM’) offshore helicopter fleet and its safety since 1995.  We have looked at their 2014 and 2015 reports previously.  Now we examine their 2016 data. Helicopter Operations: GOM Fleet Data HSAC report that flying activity continues to decline, with just under 196k flying hours in 2016 (14% down on the 228k in 2015 and vs 298k in 2014 and 410k in the peak year of 2007).  The...

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Avoiding Mid Air Collisions: 5 Seconds to Impact

Posted by on 9:23 am in Accidents & Incidents, Air Traffic Management / Airspace, Business Aviation, Fixed Wing, Helicopters, Human Factors / Performance, Military / Defence, Safety Management

Avoiding Mid Air Collisions (MACs): 5 Seconds to Impact The UK Airprox Board (UKAB) has released a video with tips for pilots on preventing mid air collisions. The Airprox Board explain that: Every year there’s an increase in Airprox as spring and summer arrives. On average, statistics show one mid-air collision occurs for every 60 Airprox incidents in UK airspace. An Airprox is a situation in which, in the opinion of a pilot or air traffic services personnel, the distance between aircraft as well as their relative positions and speed have...

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All Aboard CFIT: Alaskan Sightseeing Fatal Flight

Posted by on 11:52 am in Accidents & Incidents, FDM / Data Recorders, Fixed Wing, Human Factors / Performance, Logistics, Regulation, Safety Culture, Safety Management

All Aboard CFIT: Alaskan Sightseeing Fatal Flight A Controlled Flight Into Terrain (CFIT) accident in Alaska provides a case study of a pathological safety culture, with management and peer pressure, compounded by poorly thought out contracting and scheduling by a cruise line which meant aircraft were making high risk flights in poor weather. The Accident Flight A turbine powered de Havilland DHC-3 Otter floatplane, N270PA, operated by Promech Air, impacted mountainous terrain in the Misty Fjords National Monument near Ketchikan, Alaska at...

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Maintenance Human Factors in Finnish F406 Landing Gear Collapse

Posted by on 8:51 am in Accidents & Incidents, Fixed Wing, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Safety Management

Maintenance Human Factors in Finnish F406 Landing Gear Collapse The collapse of a landing gear leg on landing was linked to the mispositioned pivot pin during prior maintenance.  This was not detected during an independent inspection or a functional check. Finnish safety investigators discuss the associated maintenance human factors and inadequacies in the type’s maintenance instructions. The Accident Flight A Reims (now ASI) F406 Caravan II, OH-OTL, operated by Lapin Tilauslento Oy, departed for a routine night cargo flight from...

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