Complex sentence: Embraer began designing the Phenom 300 after finding that potential customers of the Phenom 100 would also like a bigger aircraft, it was a new design with the aim of allowing operation to smaller airports like London City and Telluride Regional Airport.
Split into simpler sentences: Embraer began designing the Phenom 300 after finding that potential customers of the Phenom 100 would also like a bigger aircraft. It was a new design with the aim of allowing operation to smaller airports like London City and Telluride Regional Airport.