Registered on May 14, 1976, it was first flown in 1976 after eight years of building; initially it was licensed to carry only two people. The Bittner-Four changed hands 36 years later, it was registered to the new owner Andrew Bisceglia of London, Ontarion on May 3, 2012. Only eight months later, March 1, 2013, it was reregistered to Robert Kellar of Edmonton, Alberta. The present owner, Robert Kenalty of Enfield, Nova Scotia, had the aircraft registered on May 1, 2015.
TYPE: Four-seat light aircraft.
WINGS: Strut-braced high-wing monoplane. Constant chord. Composite construction, with aluminum ribs and wooden spar, fabric covered. V-struts bracing each side. Wings foldable.
FUSELAGE: Conventional steel tube structure, fabric covered.
TAIL UNIT: Conventional wire-braced tail unit. Large dorsal fin. Horn-balanced rudder.
LANDING GEAR: Non-retractable tailwheel type.
POWERPLANT: Initially an 125 hp Lycoming O-290-D flat-four engine, driving a two-blade propeller. Later it was re-engined with an 160 hp Lycoming O-320 engine.
ACCOMMODATION: Four seats in fully-enclosed cabin.
Span: 36 ft 4 in (11.07 m)
Length: 26 ft 0 in (7.92 m)
Height: 7 ft 0 in (2.13 m)
Max speed: 115 mph (185 kmh)
Cruise speed: 95 mph (153 kmh)
Climb: 600 ft (183 m)/min
Service ceiling: 13,000 ft (3,962 m)
Range: 475 mls (764 km)."