TYPE: Two-seat amphibian kitbuilt.

PROGRAMME: Developed and flown in Brazil; prototype XM22 (PU-ASN) built 2002; European demonstrator registered (CS-UMZ) March 2004.

CUSTOMERS: Total 28 aircraft registered by mid-2006 to customers in Brazil, Portugal and Sweden.

DESIGN FEATURES: Single-step flying-boat hull with longitudinal strake inboard of chine, each side. Pusher propeller. High wing, braced by single, streamlined strut each side, with tapered outer panels. Stabilising float mounted on cantilever strut immediately inboard of wingtip. Cruciform empennage with sweptback fin. Tailplane fences, upper and lower, on early aircraft. Vortex generators fore and aft of mainwheel bays.

FLYING CONTROLS: Manual. Mass-balanced Frise ailerons and rudder; all-moving tailplane with two anti-balance tabs occupying full trailing-edge. Slotted flaps. Water rudder, stowed horizontally in base of rudder, rotates 90° when activated.

STRUCTURE: Composites fuselage (glass fibre, carbon fibre/Kevlar) with aluminium and glass fibre wing (including Kevlar-reinforced fuel tanks) covered in polyester/Butyrate. Lighter, all-composites wing in process of design. Engine mounted on metal cabane with composites cowl.

LANDING GEAR: Tricycle type; retractable. Electromechanical actuation. Mainwheels 12x5.00-5, with hydraulic brakes. Stainless steel mainwheel legs, with oleo shock-absorbers, retract upwards and inwards. Freely-castoring nosewheel, size 11x3.50-4, with oleo shock-absorber, retracts forward.

POWER PLANT: One 73.5 kW (98.6 hp) Rotax 912 ULS flat-four driving a Warp Drive three-blade, ground-adjustable pitch, pusher propeller. Optional variable-pitch, reversible propeller. Optional 59.6 kW (79.9 hp) Rotax 912 UL. Fuel in two wing tanks and central collector tank, total capacity 96 litres (25.4 US gallons; 21.1 Imp gallons).

ACCOMMODATION: Two persons, side by side. Lead ballast required for single-pilot operation.


  • Wing span: 8.75 m (28 ft 8½ in)
  • Wing aspect ratio: 6.3
  • Length overall: 5.68 m (18 ft 7½ in)


  • Cabin max width: 1.19 m (3 ft 10¾ in)


  • Wings, gross: 12.24 m² (131.8 sq ft)


  • Weight empty: 300 kg (661 lb)
  • Max T-O weight: 520 kg (1,146 lb)


  • Never-exceed speed (VNE): 139 kt (257 km/h; 160 mph)
  • Max level speed: 113 kt (209 km/h; 130 mph)
  • Normal cruising speed: 104 kt (193 km/h; 120 mph)
  • Stalling speed, flaps down: 32 kt (58 km/h; 36 mph)
  • Max rate of climb at S/L: 305 m (1,000 ft)/min
  • T-O run: land: 85 m (280 ft)
    • water: 100 m (330 ft)
  • Landing run: land: 80 m (265 ft)
    • water: 100 m (330 ft)
  • Endurance: 5 h 15 min
  • g limits: +5/-3