Bell 206 Air EvacAir Evac Bell 206 helicopter model. The 206L Long Ranger is a stretched variant with seating for seven (the Long Ranger, stretched a total of 30 inches, adds two rear facing seats in between the front and rear seats). Since their first delivery in 1975, Bell has produced more than 1,700 L's across all variant types. In 1981 a military version was released, the 206L "Texas Ranger". The original 206L utilized a Allison 250 C20B engine, and a series of