Royal Australian Navy yesterday agreed to assist in the investigation into two air data inertial reference unit failures aboard Qantas A330s after initially denying that the joint Australia/US naval communications base in Exmouth, Western Australia, was to blame because it uses different frequency bands (ATWOnline, Jan. 8). The Harold E. Holt naval base uses very low frequency signals to communicate with US Navy and RAN submarines and it was reasoned they were too weak to penetrate an ...

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