@columbia_helicopters CH-47D Chinook lifting off from the loading dock at #heliexpo2017 Columbia's Chinooks have been modified to carry an internal 2,800-gallon "Fire Attack System" (FAS) water tank, the largest available tank of any fire fighting helicopter in the United States. #chinook #ch47d #columbiahelicopters #firehelicopter #firefighter #fireattack #fireaviation #aviation #avgeek #avgeeks #aviationphotography #aviationdaily #heli #helicopter #heliweb #boeinghelicopters #boeingch47 #rotorplay #rotorheads #rotarywing #haiheliexpo2017 #heli_expo2017 (at Kay Bailey Hutchison Convention Center Dallas)













