In response to these responses the reporter advised the following: Thanks for the response, and I note the WATLE FIVE STAR has been withdrawn. I do have a further comment in relation to the response from Airservices, and this should be relevant for any further approach designs: Airservices states: ‘Following the receipt of the ATC instruction, aircraft are required to descend in accordance with the MSA which was designed to ensure aircraft remain clear of terrain and below Class C steps.’  This is not stated on the approach plate.  It is only ‘assumed’ the pilot is to interpret the…

The operator has disputed the Regulators comments in relation to item 4 above.   Operator's comment We have extensive fault manuals available. Unlike more common, older class Australian locomotives, which rely on the drivers to analyse and identify faults from the mechanical indications inside the locomotive engine room, our locomotives have advanced computer driven self-diagnostic for the locomotive. This system displays locomotive faults to the driver on a screen to the driver. If a fault occurs, the locomotive displays an error code. This error code is relayed to the Help Desk for…