In US Army service from 1958 to 1972 as 57-6165. Out of storage in 1975 as N531F. Exported as C-GRCX in 1981. Reverted to N513F in 1984, initially with Claus Outdoor Adventures of Chitina, AK. As N513F sustained substantial damage in Alaska on 3 occasions, without casualties. At Bettles in 1978 hit a dirt bank on takeoff from wet, soft ground. At Bryson's Bar Airstrip in 1992 on a tailwind takeoff overran into trees. Near Kenai on a private gravel strip in August 2003 ground-looped on a crosswind landing. Became N490K of Katmai Air in 2004.

Water taxiing to the end of the lake for takeoff. Many of Rust's fleet seen in the background.

Departing Lake Hood on a very overcast day.