A flight attendant has died after an air-conditioning unit failed in a Melbourne Airport.

A flight instructor has died while performing a safety check in Melbourne Airport, police said.

The 31-year-old woman was working on a flight from Sydney to Melbourne when she was struck by a vent at the Port of Melbourne’s Airport Emergency Services Unit (EASU) on Saturday.

Police said the woman died from her injuries and the EASU is being investigated.

An investigation has been launched.

The cause of the incident is yet to be established, but police said the victim was working as a flight attendant at the airport.

“This is a tragic and tragic loss to our entire aviation community,” Melbourne Airport’s Chief Executive Officer Ian Lees said.

“Our thoughts are with the family of the woman who has passed away.

The EASUs safety checks are designed to assess the safety of the airport and are performed on a daily basis to ensure that the airport is operating safely.”

All of our employees are trained in these checks and we will provide support to any employee affected.

“The airport’s operating plans for Saturday night and Sunday morning were suspended.

Police were called to the Port and the emergency services unit on Saturday night.

Police are yet to establish the cause of death.

Melbourne Airport has suspended operations until further notice.