News & Comment

Offshore Helicopter Emergency Response

Posted by on 7:55 pm in Accidents & Incidents, Helicopters, Oil & Gas / IOGP / Energy, Safety Management, Survivability / Ditching

Offshore Helicopter Emergency Response Maintaining an effective emergency response capability is critical to any organisation contracting for helicopter operations in a hostile environment. Among the key questions they need to ask are: How will we be alerted? What assets are available for search and rescue? Have we documented, but more importantly TESTED, our Emergency Response Plan (ERP)? Alerting While aircraft carry Emergency Locator Transmitters (ELTs), in sudden accidents they have historically proven unreliable. An Aerossurance study of...

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Swedish Stick Shake: Dormant Sensor Defect not Detected on Installation

Posted by on 12:20 pm in Accidents & Incidents, Design & Certification, Fixed Wing, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Safety Management

Swedish Stick Shake: Dormant Sensor Defect not Detected on Installation A serious incident occurred on 29 September 2016 to BAE Systems 146 / Avro RJ100 SE-DSP operated by Braathens Regional Aviation on departure from Malmö Airport in Sweden, when the stick shaker and the stick pusher were erroneously activated. The Swedish Accident Investigation Board (the Statens Haverikommission [SHK]) explain in their final report: At the pre-flight inspection the operator’s engineer detected damage on the left airflow sensor. The sensor was...

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Loss of AS332L1 LN-OPG off Brønnøysund, Norway, 8 September 1997

Posted by on 6:26 pm in Accidents & Incidents, Design & Certification, Helicopters, Human Factors / Performance, HUMS / VHM / UMS / IVHM, Maintenance / Continuing Airworthiness / CAMOs, Offshore, Oil & Gas / IOGP / Energy, Safety Management

Loss of AS332L1 LN-OPG off Brønnøysund, Norway, 8 September 1997 This accident and the loss of 12 lives off the coast of Norway in 1997 had far reaching consequences for the use and regulation of helicopter Health and Usage Monitoring Systems (HUMS). The Accident  On 8 September 1997 at 06:00 local time, a Norwegian AS332L1, registered LN-OPG, departed from Brønnøysund, just south of the Arctic Circle, for the Norne oil production vessel in the Norwegian Sea.  Two pilots and 10 passengers were on-board (AAIB/N 2001: 4).  The operator had...

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Mind the Handrail! – Walk-to-Work Helideck Hazard

Posted by on 9:58 pm in Accidents & Incidents, Airfields / Heliports / Helidecks, Helicopters, Human Factors / Performance, Offshore, Oil & Gas / IOGP / Energy, Safety Management

Mind the Handrail! – Walk-to-Work Helideck Hazard A recent offshore helicopter incident has highlighted a new hazard as offshore industry practices change. A medium helicopter carried a team to a Normally Unattended Installation (NUI).  After an uneventful landing, the disembarking team noticed that the folding handrail for the access steps behind the helicopter was in the up position.  It was just 300mm from the tail rotor.  A pitch angle of nine degrees during the landing would have been sufficient for a tail rotor strike. When a NUI...

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Night Offshore Training AS365N3 Accident in India

Posted by on 8:03 pm in Accidents & Incidents, Helicopters, Human Factors / Performance, Offshore, Oil & Gas / IOGP / Energy, Safety Management

Night Offshore Training AS365N3 Accident in India The Indian Aircraft Accident Investigation Bureau (IAAIB) has issued their report into the fatal loss of Airbus Helicopters AS365N3 VT-PWF, operated by Pawan Hans, while conducting night training in the ONGC Bombay High oil field on 4 November 2015. The Accident Flight: 319 seconds to Disaster The helicopter took off with just the two crew aboard from the WIS Offshore Installation at 19:10 local time, heading for the Ron Tappmeyer drilling rig, alongside the EE Offshore Installation, 82 nm...

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Tiger A320 Fan Cowl Door Loss & Human Factors: Singapore TSIB Report

Posted by on 6:15 pm in Accidents & Incidents, Airfields / Heliports / Helidecks, Design & Certification, Fixed Wing, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Safety Management

Tiger A320 Fan Cowl Door Loss & Human Factors: Singapore TSIB Report On 16 October 2015 Tigerair Airbus A320-200 9V-TRH lost both fan cowls of its left hand IAE V2500 engine during a night take off from Singapore, bound for Chennai in India.  This is one of a long series of such incidents, numbering close to 40. This occured just two months after the UK Air Accidents Investigation Branch (AAIB) published their report into a British Airways A319 G-EUOE that lost both engine fan cowlings and suffered an associated fire on take-off from...

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1980 MD-81 Flight Test Accident Video

Posted by on 6:20 pm in Accidents & Incidents, Fixed Wing, Safety Management

1980 MD-81 Flight Test Accident Video A classic and spectacular flight test landing accident, involving McDonnell Douglas DC-9-81 (MD-81) N980DC on 2 May 1980, is shown in this 10s video: The aircraft was on a certification test flight with a mixed MD / FAA flight crew.  The aim was to determine the distance to land and bring the aircraft to a full stop (as per 14 CFR 25.125). In their investigation report US National Transportation Safety Board (NTSB) explains the aircraft touched down about 2,298 feet beyond the threshold on the...

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The Jet that Almost ‘Landed’ on a Tower Block

Posted by on 10:19 pm in Accidents & Incidents, Airfields / Heliports / Helidecks, Fixed Wing, Human Factors / Performance, Safety Management

The Jet that Almost ‘Landed’ on a Tower Block On 16 August 2007 an airliner on a night approach at Dublin lined-up not on the runway but on the lights of a tower block.  We look at the investigation, the lessons and the prompt safety action taken. The Incident Flight The McDonnell Douglas DC-9-83 (MD-83) G-FLTM, of now defunct British airline Flightline, had departed Lisbon for Dublin with 118 people on-board and the Co-pilot as Pilot Flying (PF). According to the investigation report of the Irish Air Accident Investigation Unit...

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Deadly Combination of Misloading and a Somatogravic Illusion: Alaskan Otter

Posted by on 5:51 pm in Accidents & Incidents, Business Aviation, Fixed Wing, Human Factors / Performance, Safety Management

Deadly Combination of Misloading and a Somatogravic Illusion: Alaskan Otter A turbine powered de Havilland DHC-3 Otter floatplane, N928RK, operated by Rainbow King Lodge, suffered a Loss of Control – Inflight (LOCI-I) shortly after take off on 15 September 2015 near Iliamna, Alaska.  Three of the 10 persons on board were killed and 5 received serious injuries. In their investigation report US National Transportation Safety Board (NTSB) explain that the aircraft… … was being used to transport sport-fishing clients and guides...

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A320 Rolls Back on Stand: Incomplete Maintenance Procedures and Ground Handling Deviations

Posted by on 1:08 pm in Accidents & Incidents, Airfields / Heliports / Helidecks, Fixed Wing, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Safety Management

A320 Rolls Back on Stand: Incomplete Maintenance Procedures and Ground Handling Deviations The UK Air Accidents Investigation Branch (AAIB) has reported on a case where parked EasyJet Airbus A32o-214 G-EZTM rolled back and struck ground equipment on Stand 559 at London Gatwick airport on 26 March 2017. The flight crew had boarded the aircraft prior and completed cockpit preparation (including confirming the parking brake was ON). However, a brake system defect, which had occurred on the previous sector, was also being investigated while the...

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