Claim: The Miles Merlin was designed by F.G. Miles of Philips and Powis and was based on the three and four-seat versions of the M.3 Falcon.
Evidence: The Merlin was designed by F.G. Miles of Philips and Powis, as a result of collaboration with G. Birkett of Birkett Air Service Ltd, and Tata Sons Ltd of India. It was based on the three-seat and four-seat versions of the M.3 Falcon, but with wider fuselage and consequent increased wing span.