Smallest aircraft, monoplane
Who
Baby Bird
Where
United States Camarillo,California
When
The smallest monoplane ever flown is the Baby Bird, designed and built by Donald R Stits (USA). It is 3.35 m (11 ft) long, with a wing span of 1.91 m (6.25 ft)  and weighs 114.3 kg (252 lb) empty. It is powered by a 41.25 kW m (55 hp) two-cylinder Hirth engine, giving a top speed of 177 km/h (110 mph). It was first flown by Harold Nemer (USA) on 4 August 1984 at Camarillo, California, USA.