It comes after Rex's John Sharp said current border closures had closed 80 per cent of his business, while the TWU said stand-downs would be inevitable if restrictions increased.
The investigation, which questioned 789 employees including cabin crew, pilots, cleaners, baggage handlers and ground workers, also found a further 22 per cent had received just the one shot.
The border closure, which saw all of NSW and ACT become a ‘red zone’ under Victoria’s permit system, came into effect from 11:59pm on Sunday night.
Parkes Shire Council is currently seeking Expressions of Interest to lease stage one of the Parkes Airport Business Park, located at the Parkes Regional Airport in Central New South Wales.
TWU national secretary, Michael Kaine, told Australian Aviation last week businesses had so far kept workers active but the situation would “inevitably” change if restrictions rumbled on.
The UNSW's Jane McAdam and Regina Jefferies discuss the illegalities of Australia's entry restrictions, now the caps have been lowered.