Show me content for:

All Modes

Aviation Marine Rail

Open Close

Search site:

Investigations

Helping transport become safer is the central focus of every Commission inquiry. Here you can find details of every investigation we have opened, inquiry reports, and links to recommendations made.

AO-2025-004

Air New Zealand Boeing 787-9 Dreamliner, registration ZK-NZR, in black and white koru and fern livery, flying with landing gear extended against a clear blue sky

The incident aircraft. File photo (c) Clayton Fergus via JetPhotos

Boeing 787-9, inflight fuel imbalance, over Tasman Sea, 14 August 2025

Status

Current

Occurrence Date

14 Aug 2025

Jurisdiction

The Commission is investigating an incident involving an Air New Zealand Boeing 787-9 aeroplane, registration ZK-NZR, operating as NZ175 from Auckland to Perth, in international airspace over the Tasman Sea. The reported circumstances were that the crew noticed a fuel imbalance and further diagnosis led them to shut down the left engine in accordance with the checklist. They diverted to Sydney and landed safely.