Specifications include, but are not limited to: 1. The Payload weight is based on an average of 9 pounds per gallon of mixed retardant. Dispensing volume and retardant in pounds shall be identified on the Interagency Airtanker Board (IAB) interim or full approval letter for the offered aircraft. 2 Aircraft offered shall be capable of 270 knots (KTAS) or greater with maximum IAB retardant Payload at 12,000’ MSL as demonstrated by performance charts. Cruise speed is based on maximum Payload on board utilizing cruise power or maximum speed restriction by the Supplemental Type Certificate (STC) to maintain best speed without exceeding manufacturer or FAA operating limitations. 3 State the fuel consumption/flow and conditions for the submitted cruise speed during airtanker operations. Fuel consumption shall be in U.S. gallons per hour.
