Complex sentence: Later in 1910 he joined the Bristol Aeroplane Company as a staff pilot, but was soon recognised as a designer and one of first design jobs to convert a Bristol T-type biplane into a tractor design which was then called the Bristol Challenger-England.
Split into simpler sentences: Later in 1910, he joined the Bristol Aeroplane Company as a staff pilot, but was soon recognised as a designer. One of his first design jobs was to convert a Bristol T-type biplane into a tractor design, which was then called the Bristol Challenger-England.