sentences:  By 1 September 1939, the aircraft and administrations of British Airways Ltd (BAL) and Imperial Airways were physically transferred to Bristol (Whitchurch) Airport, to be operated jointly by National Air Communications (NAC).Services to Paris - Le Bourget Airport, Stockholm, and other overseas destinations continued, using types including DH.86, Lockheed 14, DH.91 Albatross, AW.27 Ensign.From October 1939, airlines of neutral countries (such as Belgium, Denmark, Netherlands) were only permitted to fly to coastal civilian airfields such as Shoreham Airport, but Air France was allowed to operate Dewoitine D.338s between Paris and Heston.