The demonstration took place in France and Italy from 30 September to 9 October and involved multiple manned helicopters and unmanned systems connected to a single network.
Mara didn’t sleep that night. She sat at her kitchen table with the laptop open, the tunnel’s live feed running in one window and a spreadsheet in another.
The Brisbane-based firm believes its hydrogen-electric system will enable aircraft to fly further than rival battery-electric technology while being far cheaper than traditional fuel.
Australian museum group Transportation Heritage NSW has issued an update on progress toward restoring to service steam locomotive No. 3642.