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Kramme & Zeuthen KZ IV
SAI / Skandinavisk Aero KZ.IV



Designed by Viggo Kramme and Karl Gustav Zeuthen, the SAI KZ IV was a light twin-engined aircraft first built by Skandinavisk Aero Industri in Denmark in 1944 for use as an air ambulance. First flown on 4 May 1944.

It was a conventional, low-wing cantilever monoplane with twin tails, mounted on the ends of the horizontal stabiliser. Power was provided by two engines mounted in nacelles on the wings that also housed the main units of the fixed, tailwheel undercarriage. The cabin could hold two stretchers, two medical attendants, and a flight crew of two.

A single machine, registered OY-DIZ, was built during the war, with a second aircraft registered OY-DZU being built and flown in 1949. That same year, the OY-DIZ was christened with the name Folke Bernadotte in honour of the Swedish count who had used this very aircraft to make a diplomatic visit to Germany to negotiate for the release of Danish prisoners in German concentration camps near the end of the war. This aircraft is now the "flagship" of the Danmarks Flymuseum collection, having been restored to its original wartime configuration and markings following a career as a utility aircraft in England and a crash in 1979. The second aircraft was actively operational until the mid 1960s.


The second KZ IV at Hanover Airport, Germany, 1964.




Engines: 2 × de Havilland Gipsy Major, 108 kW (145 hp)
Wingspan: 16.00 m (52 ft 6 in)
Wing area: 29.0 sq.m (312 sq.ft)
Length: 9.80 m (32 ft 2 in)
Empty weight: 1,378 kg (3,302 lb)
Gross weight: 2,100 kg (4,620 lb)
Maximum speed: 215 km/h (134 mph)
Range: 850 km (530 miles)
Service ceiling: 4,500 m (14,800 ft)
Crew: Two pilots
Capacity: Two stretchers and two attendants







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