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ATSB supports Rail Safety Week 2020
The Australian Transport Safety Bureau (ATSB) is joining over 80 organisations in promoting the important messages of Rail Safety Week 2020: Rail safety – I am RailSAFE, across 10–16 August…
ATSB releases preliminary report into AW139 helicopter main rotor blade strike
Key points: AW139 EMS helicopter main rotor blades struck trees during night winching ATSB investigation is ongoing Preliminary report outlines factual information from the…
Hard landing through fog highlights the importance of ensuring weather conditions are appropriate for balloon manoeuvrability limitations
Key points: Pilots took off with fog forecast and fog developing in the area The descent in low visibility resulted in the pilot having insufficient time to manoeuvre the…
Oil sump coking leads to Saab 340 engine failure
Key points: Engine failed as a result of an internal oil fire, weakening a turbine disk and resulting in turbine blades being released Fire occurred when oil leaked from an oil…
Nozzle guide vane aerofoil failure due to protective coating deterioration leads to A330 airliner’s in-flight shutdown and turnback
Key points: Nozzle guide vane aerofoil in a CF6 engine fails shortly after take-off Crew executed in-flight engine shutdown, turnback and overweight landing Engine manufacturer…
Failed compressor blades lead to engine surge and vibrations occurrence
Key points: Worn bushings led to fretting damage on a lever arm in the fourth-stage variable stator vanes within a General Electric CF6-80E1 engine’s high-pressure compressor…
Undetected fatigue cracking results in wheel rim fracture
Key points: Wheel rim fractured and tyre deflated due to undetected fatigue cracking, a known issue Non-detection likely due to inadequate guidance on inspection requirements…
Prevent and detect carbon monoxide in aircraft
The Australian Transport Safety Bureau is advising owners, operators, pilots and maintainers of piston-engine aircraft to take measures to detect the presence of, and prevent the entry of,…
ATSB releases Broome R44 helicopter accident update
Key points: Helicopter’s tail assembly separated in-flight Cause of the separation is currently unknown R44 pilots who experience unusual vibrations through the tail rotor…
Missing self-locking nut leads to loss of cyclic control and in-flight break-up
Key points: Missing nut allowed bolt to separate from bellcrank in cyclic control assembly Self-locking nut was likely either not reinstalled or inadequately torqued after…