Description:00 47 42 00 Aviation. The 20s. Assembly of several series of plane. Transport, communication. Lieutenant " Al " Williams establishes a speed record, 266 , 5 miles by the hour. Close-up lieutenant in its cockpit, takeoff of the plane. On the ground, judges with stopwatch and machine to estimate the speed. Demonstration of the " PN9 ", landing in bay, pilots is welcomed by officers. Inside of the office of the navy ministry, signature of agreements, texts, reorientation of the priorities centred at the moment in the aeronautics. Combination of the air and naval forces. The too old pilots should be successful in sea. The officers will go to form to Annapolis. Instructor in front of plane with young pilots, he explains how to pilot them, forming.