Helicopter Sikorsky UH-60L Black Hawk Serial 70-1629 Register 91-26331 used by US Army Aviation Army. Aircraft history and location Aircraft History 91-26331 US Army Aviation 2018-04-12 A KLAL SUN n FUN 2018 US Army 10-15apr18 at SUN n FUN 2018 Send Updates Use APP to upload photo @ (optional) When Now? / / Send