TYPE: Two-seat amphibian ultralight kitbuilt.
PROGRAMME: Scale model of Seahawk I built by Mark GmbH for preliminary tests; mockup displayed at Aero 2001 at Friedrichshafen April 2001; redesign by Wüst GmbH as Seahawk II began December 2001; prototype (OK-IUU 02) completed January 2003 and first flown 29 March 2003; manufacture of second prototype began September 2003.
DESIGN FEATURES: Single-step hull; parallel chord wing with turned-down wingtips forming narrow stabilising floats; sweptback fin with T tail configuration; upward-opening gullwing doors.
FLYING CONTROLS: Conventional and manual; one-piece horn-balanced elevator with trim tab; electrically actuated Fowler flaps. Dual controls standard.
STRUCTURE: Composites/honeycomb sandwich; single-spar wings.
LANDING GEAR: Retractable tricycle type; nosewheel retracts forwards into hull.
POWER PLANT: One 73.5 kW (98.6 hp) Rotax 912 ULS or 74.6 kW (100 hp) Textron Lycoming O-200 flat-four, pylon-mounted above wing in pusher configuration and driving a three-blade, fixed-pitch or constant-speed propeller. Fuel contained in two wing tanks, combined capacity 90 litres (23.8 US gallons; 19.8 Imp gallons).
DIMENSIONS, EXTERNAL:
- Wing span: 8.38 m (27 ft 6 in)
- Length overall: 7.35 m (24 ft 1¼ in)
- Height overall: 2.65 m (8 ft 8½ in)
WEIGHTS AND LOADINGS:
- Weight empty: 350 kg (772 lb)
- Max T-O weight: 549 kg (1,212 lb)
- Max power loading (Rotax): 7.48 kg/kW (12.29 lb/hp)
The article appears in the following publication:
Jane's All the World's Aircraft 2004-2005. Jane's Information Group Ltd. 2004. ISBN: 0-7106-2614-2
