1/48 Hawker Hunter F.4 Airfix A09189The service introduction of the Hawker Hunter F.4 in March 1955 presented the RAF with a more capable version of their sleek jet fighter, including a much needed increase in its internal fuel capacity. The F.4 also introduced the two distinctive streamlined chin blisters, which were designed to collect spent ammunition links from the guns, thus preventing potential damage to the aircraft.