The one and only Viastra I, powered by three Lynx engines. Photo published in Flight in September 1930, before the first flight on 1 October. The aircraft was built by Supermarine in Woolston and barged to Hamble North, where the photo must have been taken. The same airframe was converted to twin-engine Viastra III with Jaguar and then to trimotor Viastra VIII with Jupiter engines. Photo from: Finnish Aviation Museum
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