Delivered to Skymark Airlines in March 1968 as N952SM, this Twin Otter flew with various commuter airlines until 1986. With Pilgrim Airlines at the time, that airline was acquired by Business Express in February 1986. The aircraft was quickly withdrawn and stored at Groton, CT. Sold to Free Fall Express in the summer of 1990, it switched to flying skydivers and is still current at the time of uploading.

Delivered March 5, 1968 to Skymark Airlines, which merged with Aero Commuter Airlines March 28, 1969. The airlines was renamed Golden West in 1969 and this Twin Otter was leased to Frontier Airlines from 1971 to 1978. The aircraft is presently N716NC flying sky divers with Freefall Express in New York state at the time of uploading.