Evergreen 747 Waterbomber
The Evergreen Boeing 747 Supertanker firefighting aircraft.
The Evergreen 747 Supertanker in flight - at the time the largest aerial firefighting aircraft in the world.
It used a pressurised delivery system rather than gravity, which let the crew control the flow rate and drop from a safer altitude. More on the Supertanker.

Evergreen Boeing 747 Supertanker in flight over desert terrain





