The boss of Air New Zealand has revealed the airline isn't making any money from many of the tickets it sells. 

Our national carrier has seen profits plunge. 

It's partly due to weak domestic demand and ongoing engine maintenance issues. 

Chief Executive Greg Foran told Mike Hosking it's also facing unavoidable price hikes for things like landing charges, wages, and engineering materials. 

He says they can't go down to Bunnings or Mitre 10 to buy a replacement toilet seat for a 787, although he wishes they could. 

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