He was spraying vines on a vineyard when the tractor rolled.
Emergency services closed off the entire area.
They're thought to have become trapped in the deflating slide.
Top tips to protect yourself and your loved ones on farm.
Five people were in the helicopter - the pilot and four passengers, police said.
They were also ordered to pay reparations of $110,535.
The victims were on their way to work at Takapau meatworks when the crash occurred.
The incident took place near Rotorua on Wednesday.
Motorists were warned to expect delays.
Sources say the man had just finished when he had chest pains.
FENZ says the incident occurred on a rural property.
Wayne Duckworth says he is a "clown" and he wasn't surprised by his accident.
The fraying on the rope indicated it may have snapped.
The workers will be assessed for suspected sulphur dioxide inhalation.
Moving the clocks forward increases accidents by 16 percent on the first day, a study warns.
A woman was trapped in the elevator doors
Firefly or fly on fire?
The man has been unable to work since the incident.
The crash occurred shortly before he was scheduled to fly home to Samoa.
He was airlifted to Tauranga Hospital in a critical condition.