DC-10 / 10 Tanker N17085 (911)10 Tanker 911 airplane model DC 10 fire fighter. 910 is the call sign of the only wide body jet air tanker currently in fire service. The aircraft, operated by 10 Tanker Air Carrier, is a converted McDonnell Douglas DC 10 aircraft used for fighting wildfires, typically in rural areas. The turbofan powered craft carries up to 12,000 gallons (45,600 liters) of water or fire retardant in an exterior belly mounted tank, which can be released in eight