The US Army operated this Otter (58-1682) 1958 - 73. The aircraft was with the University of Tennessee Space Institute 1974 - 75 until it stalled on take-off and was severely damaged. Bought by Ontario Central Airlines and re-built, it was put into service June 1977. Occasionally leased out, it had a forced landing into trees with Alexandair in 1990. Flying again in 1994, River Air bought the big bush plane in 1996, It had a Texas Turbine conversion (the fourth one) in 2002 and it current with River Air at the time of uploading.