UH-1H HESLO Fuel Exhaustion Accident
Over confidence in an inaccurately calibrated fuel gauge resulted in a forced autorotation and heavy landing.
UH-1H HESLO Fuel Exhaustion Accident Read Post »
Taiwan Night Medevac Helicopter Take Off Accident
Loss of Control In-flight, high descent rate and water impact.
Taiwan Night Medevac Helicopter Take Off Accident Read Post »
EC135P2+ Loss of NR Control During N2 Adjustment Flight
The loss of control of N2, and therefore of NR, was caused by the absence of the stop ring mechanism within this EC135P2’s N2 adjuster.
EC135P2+ Loss of NR Control During N2 Adjustment Flight Read Post »
SAR Questions Feature in PNG AIC B427 Accident Investigation
Engine failure incorrectly diagnosed during an autorotation check midway through a ferry flight. Flight following failed to respond but the CEO did. Local SAR RCC capability challenged.
SAR Questions Feature in PNG AIC B427 Accident Investigation Read Post »
EC135P2 Spatial Disorientation Accident
During a practice IMC approach this HEMS helicopter started to make a go-around but rapidly there was a loss of control and it impacted the ground. NTSB believe the pilot was task saturated and became spatial disorientated.
EC135P2 Spatial Disorientation Accident Read Post »
Mi-26T Arctic VRS Accident 28 November 2018
A giant Mi-26T enters a VRS during an approach in poor visibility in the Russian Arctic.
Mi-26T Arctic VRS Accident 28 November 2018 Read Post »
Fatal Snowy Powerline Inspection Flight
A helicopter embarked on low altitude, low speed circling of powerline pylons on a snowy day. Both onboard died after an engine failure likely due to snow / ice ingestion.
Fatal Snowy Powerline Inspection Flight Read Post »
Drone Operation Injury
NTSB examine an injury caused after the loss of control of a UAS during a university demonstration.
Drone Operation Injury Read Post »
Remote Landing Site Blade Strike
A container had been positioned next to a landing site since the pilot’s last visit.
Remote Landing Site Blade Strike Read Post »
AS350 Tail Rotor Control Incident, Grand Cayman
The pilot made a safe run on landing. The TGB actuating rod had failed. An EASA AD followed.
AS350 Tail Rotor Control Incident, Grand Cayman Read Post »
Usage Related Ex-Military Helicopter Accident
So you thought the UH-1H was a Bell product? Not to the FAA. Small third party ‘TC Holders’ are responsible for assessing the airworthiness impact of usage changes for ageing ex-military helicopters.
Usage Related Ex-Military Helicopter Accident Read Post »
Helicopter Wirestrike During Powerline Inspection
This wirestrike occurred on a crossing powerline and followed two near misses in the previous 6 months. Lessons on client aviation management, powerline marking, mapping data and software and reporting.
Helicopter Wirestrike During Powerline Inspection Read Post »
Fatal B206L3 Cell Phone Discount Distracted CFIT
A pilot lost his life while making in-flight call about a hire car discount say NTSB.
Fatal B206L3 Cell Phone Discount Distracted CFIT Read Post »
Tail Rotor Lightning Strip Damages AW139 Main Rotor
The MRB damage made this occurrence meet the criteria for an accident say NTSB. A design change followed to avoid a production process that introduced micro-pitting.
Tail Rotor Lightning Strip Damages AW139 Main Rotor Read Post »
Regulator Missed the Chance to Intervene Before Fatal Tour Accident say TAIC
The operator’s training system did not adequately prepare the pilot. The regulator claims they were mislead by an operator about who was really in charge of training. TAIC say this was evident in advance.
Regulator Missed the Chance to Intervene Before Fatal Tour Accident say TAIC Read Post »
Troublesome Tiedowns: The Sequel
A Robinson R22 suddenly fails to respond to control inputs and descends and impacts the sea. Investigators find a tie-down wrapped around the main rotor head.
Troublesome Tiedowns: The Sequel Read Post »
Loose Engine B-Nut Triggers Fatal Forced Landing
Loose Engine B-Nut Triggers Fatal Forced Landing On 26 September 2017 Hughes (later MD) 369D SE-JVI was being used for power line inspection on behalf of energy company Vattenfall, by the First European Aviation Company when it suffered a sudden power loss and impact with the ground that killed one occupant History of the Accident Flight The Swedish Accident Investigation Authority, the
Loose Engine B-Nut Triggers Fatal Forced Landing Read Post »
Ditching of Bristow S-76C++, Off Nigeria, 3 February 2016
The compass was not returned to slave mode on take off from an FPSO. Subsequent aircraft behaviour convinced the crew they should ditch.
Ditching of Bristow S-76C++, Off Nigeria, 3 February 2016 Read Post »
USAF UH-1N SAR Helicopter Hoist Training Accident
Skipping steps in a procedure while fault-finding as an undetected drift in position occurred, resulted in snagging an object and flying the now tethered aircraft into the ground.
USAF UH-1N SAR Helicopter Hoist Training Accident Read Post »
Tree Top Autorotation for B206L1 After Loose Fuel Line B-Nut Leaks
A loose B-nut on an imported helicopter necessitated autorotation into woodland. There was no evidence of torque stripes having been applied.
Tree Top Autorotation for B206L1 After Loose Fuel Line B-Nut Leaks Read Post »
Maintenance Misdiagnosis Precursor to EC135T2 Tail Rotor Control Failure
Incorrect troubleshooting was conducted after previous reports of stiff anti-torque pedals, possibly inadvertently untightening a left hand thread.
Maintenance Misdiagnosis Precursor to EC135T2 Tail Rotor Control Failure Read Post »
Fatal S-61N Dual Power Loss During Post Maintenance Check Flight
NTSB unable to determine the reasons for dual engine power loss during a post maintenance check flight. They do note “an improper decision to attempt another maneuver after recovering from a perceived compressor stall”.
Fatal S-61N Dual Power Loss During Post Maintenance Check Flight Read Post »
Everett Introducing S-92A to East Africa
East African operator Everett expands with a utility S-92A.
Everett Introducing S-92A to East Africa Read Post »
Engine Failure after Inadvertently Being Put Back into Service Incomplete
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 »
Helicopter Ops and Safety – Gulf Of Mexico 2018 Update
A decline in GOM helicopter usage continues. There was only one air accident in 2018.
Helicopter Ops and Safety – Gulf Of Mexico 2018 Update Read Post »