Human Factors / Performance

HF / Human Performance

Engine Failure after Inadvertently Being Put Back into Service Incomplete

Accidents & Incidents, Helicopters, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Special Mission Aircraft

An AGB module was inadvertently sent for overhaul. Work commenced before it was realised. The module was then sent back u/s but the log card entry was changed subsequently to serviceable not realising a filter was missing. The pilot made an excellent autorotation though.

Engine Failure after Inadvertently Being Put Back into Service Incomplete Read Post »

AS350B2 Accident After Vibration from Unrecorded Maintenance

Accidents & Incidents, Airfields / Heliports / Helidecks, Helicopters, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Safety Management

Four days before the accident the MRBs had been removed and re-installed. No RTB was done. While ground running at a remote site, increasing vibration triggered the pilot to lift off. NR was low and the helicopter tumbled down a slope.

AS350B2 Accident After Vibration from Unrecorded Maintenance Read Post »

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

Accidents & Incidents, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Safety Culture, Safety Management

No one was injured in this low speed derailment after signal maintenance errors but investigators expressed concern that the lessons from the fatal triple collision at Clapham in 1988 may have been forgotten.

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

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

Accidents & Incidents, Design & Certification, Fixed Wing, Human Factors / Performance, Military / Defence, Safety Management, Special Mission Aircraft

A very low experience on type flight crew had been paired together. Surprisingly little comment is made by investigators of insufficient certification testing of the modified aircraft and the failure to act after 4 prior ‘near catastrophic’ stall events.

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

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

Accidents & Incidents, Helicopters, Human Factors / Performance, Safety Management, Special Mission Aircraft

The engine intake was left uncovered during a lunch break, when it had started to snow. This allowed ice to form that broke away and damaged the engine. Turns out similar happened at a US HEMS operator within 12 months.

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

Incorrectly Rigged B1900D Charlotte, NC, 8 January 2003: 21 Fatalities

Accidents & Incidents, Design & Certification, Fixed Wing, Human Factors / Performance, Maintenance / Continuing Airworthiness / CAMOs, Safety Management

The crew were unable to control the aircraft in pitch due to errors during maintenance two evenings before. We look at some of the human performance influencing factors in this accident that killed 21.

Incorrectly Rigged B1900D Charlotte, NC, 8 January 2003: 21 Fatalities Read Post »

Fatal Biplane/Helicopter Mid Air Collision in Spain, 30 December 2017

Accidents & Incidents, Air Traffic Management / Airspace, Airfields / Heliports / Helidecks, Fixed Wing, Helicopters, Human Factors / Performance, Safety Management, Special Mission Aircraft

At an uncontrolled aerodrome the Jungmann biplane struck the B412’s tail rotor. The biplane pilot died but all 10 POB on the firefighting helicopter survived.

Fatal Biplane/Helicopter Mid Air Collision in Spain, 30 December 2017 Read Post »

USAF Engine Shop in “Disarray” with a “Method of the Madness”: F-16CM Engine Fire

Accidents & Incidents, Human Factors / Performance, Logistics, Maintenance / Continuing Airworthiness / CAMOs, Military / Defence, Safety Management

An AIB report paints a sorry picture of a poor performing engine maintenance facility. But these short comings were known about over 5 years before this F-16CM accident…

USAF Engine Shop in “Disarray” with a “Method of the Madness”: F-16CM Engine Fire Read Post »

BFU Investigate S-76B Descending to 20ft at 40 kts En Route in Poor Visibility

Accidents & Incidents, Air Traffic Management / Airspace, Helicopters, Human Factors / Performance, Offshore, Oil & Gas / IOGP / Energy, Regulation, Safety Management

The German safety investigation body, the BFU, has issued their final report into a serious incident that occurred to a Sikorsky S-76B returning from an offshore electricity sub-station.

BFU Investigate S-76B Descending to 20ft at 40 kts En Route in Poor Visibility Read Post »

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