A man suffered serious burns to most of his body after the boat he was in burst into flames while he was filling the tank with petrol.
Maketu fire chief Shane Beech said it was only thanks to the quick thinking of the man's friends that the whole petrol station did not go up in flames.
They pulled the man out of the burning boat, towed it across the road to an empty gravel area and unhooked it from the car while emergency services were on their way.
Firefighters were called to the fire about 4.30pm today and arrived to find the 8.25-metre aluminium boat fully engulfed in flames.
Mr Beech said the fire had started while a Reporoa man was filling the underfloor tank when the fumes ignited, engulfing him and the boat.