A 747 ‘Supertanker’ rains retardant on California’s wildfires

The 747, dubbed “The Spirit of John Muir,” was converted to a tanker in 2012 by the previous owner, Evergreen airlines, before being purchased by Global Supertanker. Because it once served as a passenger craft, it has outstanding high and low-speed performance, flying at up to 600 mph and as slow as 165 mph with …

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