Bob43 submitted a new resource: Handley Page Night Bomber O/400 - 1:72 scale. 6/2008 The Handley Page Type O was an early bomber aircraft used by Britain during WWI. At the time, it was the largest aircraft that had been built in the UK and one of the largest in the world. It was built in two major versions, the Handley Page O/100and nO/400. The machine depicted, no. 62447, is one of the first of locally assembled machines, fitted with Liberty engines, and named 'Langley'. It was used by Billy Mitchell to show that bombers could destroy warships.