The Executive Director of the Australian Transport Safety Bureau has today authorised the re-opening of the investigation into the crash of Whyalla Airlines VH-MZK. This is to enable the ATSB to seek the assistance of the US National Transportation Safety Board (NTSB) to conduct further testing of the MZK left engine crankshaft, which is currently in the US, including destructive testing at the site of the fracture.
The ATSB did not undertake such destructive testing in its original investigation because the detailed tests that were conducted indicated no crankshaft material problems and the…