These dual agent flight line wheeled fire extinguishers were developed for the U.S. Navy and the U.S. Air Force as an alternative to the popular 150-pound Halon 1211 flight line extinguishers.
Potassium Bicarbonate (Purple K/PKP) may be utilized to address the potential pool fire scenario. On a pound-per-pound basis, Purple K has been shown to be as effective as Halon 1211 based on UL ratings. Carbon dioxide (CO2
) is a suitable agent for engine fires.
H3R Aviation offers two Purple K / CO2
dual agent fire extinguishers. Model 688
combines one 50 lb. Purple K and one 20 lb. CO2
unit on a wheeled cart. Model 691
consists of one 125 lb. Purple K unit together with one 20 lb. CO2