Liverpool co-owner Mike Gordon was on board the private jet that skidded off the runway at John Lennon Airport this morning.
The private sports tycoon was checked over by airport staff but was not injured in the incident, which happened around 6am this morning.
It led to the airport being closed, flights being diverted and emergency teams arriving at the scene.
An airport spokesman said: “We can confirm there was an incident at around 6am this morning when a private jet with three crew and one passenger on board came off the runway after landing.
“There were no injuries and the runway is expected to be closed until this afternoon while the airport deals with the incident.
“Anyone travelling from the airport today is advised to contact their airline for the latest information.
“We apologise for any inconvenience caused and can assure customers we are doing all we can to resume services as quickly as possible.”