The Convair Model 48 Charger was a prototype light attack and observation aircraft of the 1960s, developed to meet a requirement for a dedicated counter-insurgency (COIN) aircraft. It was a two-seat, twin-boom aircraft powered by two turboprop engines which lost out to the North American Rockwell OV-10 Bronco of similar layout. Only the single prototype Model 48 was built, and this turned out to be the last complete aircraft constructed by Convair.[1]
https://en.wikipedia.org/wiki/Convair_Model_48_Charger
