The F-21B was a new production aircraft produced by a company called Taylorcraft in the USA and was a development of the Taylorcraft series of aircraft produced in the 1930’s and ‘40s.

Prior to World War II Taylorcraft was known for producing two-seat in tandem basic trainers and to meet demand it developed what became known as the “Tandem Trainer”.

Light miniature Aircraft of Okeechobee, Florida, is a company which has produced replicas of light aircraft of the 1950s to various scale, these including the LM-2X-2P 7/8th scale replica of a Taylorcraft.