|The Evergreen Supertanker is a Boeing 747-100 widebody aircraft that was modified into an aerial firefighting aircraft by Evergreen International Aviation. The aircraft was originally manufactured by Boeing in 1971 for Delta Air Lines. |
With a capacity of 20,500 US gallons (77, 600 liters), it is the largest aerial firefighting aircraft in the world. The next largest firefighting tanker aircraft is the Ilyushin Il-76P. The Supertanker entered service for the first time in 2009, fighting a fire in Cuenca, Spain.
The tanker made its first American operation on 31 August 2009 at the Oak Glen Fire. The current tanker is N479EV, tanker/tail number 979. (The previous plane was: N470EV, tanker/tail number 947.)