Fatal Taiwanese Night SAR Mission
A winchman and casualty died when they impacted the sea at speed during hoisting at night with a helicopter that lacked autohover.
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Fall From Stretcher During Taiwanese SAR Mission
As night draws in a SAR crew accept a casualty in a stretcher provided by a ship. During the hoist the stretcher starts to spin and the casualty falls to his death.
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Austrian Police EC135P2+ Impacted Glassy Lake
A low level flight over a lake ends in disaster for a police helicopter. Innovative technology from IWI was used to reconstruct the final flight path.
Austrian Police EC135P2+ Impacted Glassy Lake Read Post »
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 »
‘Crazy’ KC-10 Boom Loss: Informal Maintenance Shift Handovers and Skipped Tasks
Informal verbal handovers over 4 shifts and skipping a key functional check had a hand in an air refuelling boom that went ‘crazy’ in flight and detached.
‘Crazy’ KC-10 Boom Loss: Informal Maintenance Shift Handovers and Skipped Tasks 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 »
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.
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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.
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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.
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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.
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Wake Turbulence Diamond DA62 Accident in Dubai
The final report into the loss of a DA62 during a navaid calibration flight in Dubai is critical of the UK CAA’s oversight of this Part SPO operator.
Wake Turbulence Diamond DA62 Accident in Dubai Read Post »
When Red Bull Gives You More Than Wings…
When Red Bull Gives You More Than Wings… A database of US military aviation accidents and incidents complied by Military Times last year revealed an odd mishap. It resulted in website The War Zone submitting a Freedom of Information Act request. The response detailed how the co-pilot of a US Air Force (USAF) Beechcraft MC-12W Liberty King Air 350 10-006450 had reached
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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
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Survey Aircraft Fatal Accident: Fatigue, Fuel Mismanagement and Prior Concerns
Concerns had been raised about the pilot and the operation just days before this fatal accident. It highlights the importance of doing a proper due diligence and having independent aviation expertise available when contracting for special mission support.
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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 »
USAF Tool Trouble: “Near Catastrophic” $25mn E-8C FOD Fuel Tank Rupture
Ineffective tool control was behind a ‘near catastrophic’ incident on 13 March 2009.
USAF Tool Trouble: “Near Catastrophic” $25mn E-8C FOD Fuel Tank Rupture 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 »
What a Difference a Hole Makes: E-8C JSTARS $7.35 million Radar Mishap
Contractor errors in base maintenance have a high financial impact.
What a Difference a Hole Makes: E-8C JSTARS $7.35 million Radar Mishap Read Post »
USAF Parachutist Fatally Extracted Through Ventilation Door
The parachute was inadvertently deployed through a small ventilation door. We look at the ergonomics of the parachute and an absence of guidance on use of the ventilation door.
USAF Parachutist Fatally Extracted Through Ventilation Door Read Post »
Merlin Night Airprox: Systemic Issues
Ambitious training, poorly integrated equipment with no policy on its use, u/s transponders and reduced radar coverage all feature in this airprox with two ASW helicopters.
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Japanese Rescue B412 Fatal CFIT
Distractions and fatigue were involved in a CFIT in Japan in which 9 rescuers died.
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Production Defect IFSD Triggers Night Deadstick PC-12 Landing
An ambiguous spec for standard parts features in a nighttime engine failure and nearly 30 IFSDs before the problem was contained.
Production Defect IFSD Triggers Night Deadstick PC-12 Landing Read Post »
MC-12W Loss of Control Orbiting Over Afghanistan: Lessons in Training and Urgent Operational Requirements
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.
Software Bug and High Winds Down Drone
AAIB comment that new operators with little, or no, previous aviation experience are developing procedures for small un-certified UAS which presents a challenge to ensure safe operation of this expanding area of aviation.
Software Bug and High Winds Down Drone Read Post »