Ohio-based Castle Aviation has taken delivery of its fourth Saab 340B freighter as part of a multi-aircraft deal from Jetstream Aviation Capital [FATs 007300-7302]. The 1993-vintage unit 351 (ex-Calm Air) arrived at Castle Aviation’s base in Akron (CAK) on Feb. 23. Jetstream told Cargo Facts that unit 351 was converted at the 1Vision Aviation facility […]