sentences:  One further development was the Spartan Cruiser III, with an aerodynamically-refined fuselage accommodating eight passengers, a modified windscreen and a trousered main undercarriage.Only three Cruiser IIIs were built (G-ACYK, G-ADEL and G-ADEM), for Spartan Air Lines.Spartan Air Lines Ltd was formed to operate Cruisers between London and Cowes, Isle of Wight.