Complex sentence: The Westland Wapiti was a British two-seat general purpose military single engined biplane of the 1920s built by Westland Aircraft Works to the Air Ministry Specification 26/27 for a replacement of the Airco DH.9A in Royal Air Force service.
Split into simpler sentences: The Westland Wapiti was a British two-seat general purpose military single engined biplane of the 1920s. It was designed and built by Westland Aircraft Works to replace the Airco DH.9A in Royal Air Force service.