It is suspected that the man, aged in his fifties, suffered a stroke earlier today.
The Sunshine Coast based RACQ CareFlight Rescue helicopter was tasked to the Brisbane bound ship around 1.15pm.
The man was treated, secured in a rescue basket and winched aboard the helicopter.
He was airlifted to Nambour General Hospital in a stable condition.
One third of all missions RACQ CareFlight Rescue flies require swift specialist attention.