The Mewa (Polish: Gull) is a licence-built version of the Piper PA-34 Seneca II manufactured by WSK PZL-Mielec with a limited series of 33 frames in the 1980s. In 1988, an air ambulance version, the M-20 03 was developed and four were used by the Polish Air Ambulance Service. This example is on gate guard display at Babice.