Air NZ would adjust flight routes and altitudes to ensure aircraft remained clear of ash.

International flights have been cancelled as a volcanic ash cloud from Chile heads towards NZ,

Qantas hopes 350 - or five per cent - of its cabin crew will take up voluntary redundancy.

Budget airline Jetstar is set to charge customers up to $10 extra to check-in with a human being for domestic flights.

Australia is bracing for a bruising new round of industrial action.