Helicopters

Rotary Wing / Rotorcraft

Fire-Fighting AS350 Hydraulics Accident: Dormant Miswiring

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

Hydraulics control system wiring had been misconnected 16 years earlier and repeatedly missed during checks. When inadvertently activated, the “HYD” cut-off caused the TR servo-valve compensator to make the aircraft uncontrollable say GPIAAF.

Fire-Fighting AS350 Hydraulics Accident: Dormant Miswiring Read Post »

NH90 Caribbean Loss of Control – Inflight, Water Impact and Survivability Issues

Accidents & Incidents, Crises / Emergency Response / SAR, Helicopters, Human Factors / Performance, Military / Defence, Safety Management, Special Mission Aircraft, Survivability / Ditching

LOC-I on a low, slow downwind leg. The survivors had not trained with the specific AEA in place. The front crew both became trapped.

NH90 Caribbean Loss of Control – Inflight, Water Impact and Survivability Issues Read Post »

Alaskan AS350B3e Accident: Botched Autorotation Practice?

Accidents & Incidents, Helicopters, Human Factors / Performance, Safety Management, Survivability / Ditching

Evidence is consistent with a practice autorotation being attempted to an ‘unsuitable’ Alaskan beach. Nr drooped, helicopter hit the sea, survivor found after a delayed emergency response. Airbus advises only ‘minimal crew’ for such training.

Alaskan AS350B3e Accident: Botched Autorotation Practice? Read Post »

Short Sling Stings Speedy Squirrel: Tail Rotor Strike Fire-Fighting in Réunion

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

Just because a company does the job one way for 30 years and has a 10k hour pilot doesn’t guarantee success. Techniques changed overnight after this accident. Once the tail rotor was catastrophically damaged, the consequences may have been reduced by the Bambi Bucket being a drag chute.

Short Sling Stings Speedy Squirrel: Tail Rotor Strike Fire-Fighting in Réunion Read Post »

B206B Hit by Truck in Forced Landing after 16 Months of Operation with Unairworthy Engine

Accidents & Incidents, Helicopters, Maintenance / Continuing Airworthiness / CAMOs, Regulation, Safety Culture, Safety Management

An engine overdue for overhaul was refitted and 16 months later failed. The operator was not approved for passenger transport but the company was in financial distress so the pilot and part-owner accepted this charter.

B206B Hit by Truck in Forced Landing after 16 Months of Operation with Unairworthy Engine Read Post »

Loss of Control During HESLO Construction Task: BEA Highlight Wellbeing / Personal Readiness

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

BEA were unable to establish the reason for Loss of Control in the hover. The pilot was suffering from an unreported back condition and the HESLO technique required an awkward body position. BEA make recommendations about wellbeing and personal readiness.

Loss of Control During HESLO Construction Task: BEA Highlight Wellbeing / Personal Readiness Read Post »

Hawaiian Air Tour EC130T2 Hard Landing after Power Loss (Part 2 – Survivability)

Accidents & Incidents, Helicopters, Human Factors / Performance, Safety Management, Survivability / Ditching

After a power loss, this air tour helicopter force landed on a beach. Everyone on board survived a 40 ft/s (12.2 m/s) impact, saved by helicopter design features, but the severity of some injuries may have been less if harnesses were correctly worn.

Hawaiian Air Tour EC130T2 Hard Landing after Power Loss (Part 2 – Survivability) Read Post »

Latent Engine Defect Downs R44: NR Dropped to Zero During Autorotation

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

A confused response to an engine issue earlier in the day, a sudden power loss and a failed autorotation…but crashing into trees was decisive in the two occupants’ survival say NSIA.

Latent Engine Defect Downs R44: NR Dropped to Zero During Autorotation Read Post »

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