Heligroup Fire LLC (N947CH) Billings Flying Service, Inc CH-47D, operated by United Aero as Helitack 279, at Wagga Wagga Airport
Also of note was Erickson Air-Crane "Olga" (N6962R) Sikorsky S-64E calling though arriving at about 5:00PM and departing at about 5:50PM for BWU.
AJJ and AJG (note this has had the one engine removed) Not the best photo (due to the poor light from the cloud cover and storms)