S.E.5a 900mm PNPE flite S. E. 5a 900mm RC Airplane Introduction Once called the Spitfire of World War One and considered by many pilots to be the best British single seat fighter of the time, the Royal Aircraft Factory (RAF) SE5 was instrumental in regaining and maintaining allied air superiority in mid 1917. It's one of the most recognizable aircraft of the era, and six manufacturers constructed more than 5000 examples. Inspired by the original ParkZone model, the E