Consequently, it is not always possible to determine the total number of aircraft ordered by the USAF simply by lo.ng at serial number ranges..Need Help Identifying Army Helicopter The number on the . is 28076. Looks like a UH-60M that went through the Army 's conversion . - I would like to ask you for help with identification of two particular airframes. local time, I took a picture of two Bell UH-1s south of Brno, Czech Republic. of these two helicopters as possible: version, operator, number..This list is only of aircraft that have an article, indexed by aircraft registration "number The list includes aircraft that are notable either as an individual aircraft .