The defence prime said the “Lufthansa Technik Cyclean” improves engine efficiency through a deeper clean of the engine core, cutting 80 tonnes of CO2 emissions per engine annually and reducing fuel consumption by 1 per cent.

Eight Air Force Special Operations Command personnel were killed in the crash last week, which came four months after another Osprey went down on Melville Island 60km from Darwin during Exercise Predators Run in August, killing three Marines.

In its Australian Aviation Network Overview report for November 2023, Airservices Australia said international traffic is accelerating ahead of its forecasts, a notable difference from the early stages of the pandemic recovery which were mainly fuelled by the domestic rebound.

The demonstration flight will take off from HARS Aviation Museum at Shellharbour Airport at 10:30am on Friday. The plane, dubbed the largest “close replica” aircraft in the world, has been restored by HARS over the past 12 years since the society purchased it in 2010.