Show model airway system for pilots lahui fawd 4 F e I 1 ava 4 0 v above li Is pictured the cattera eastern dirleton division of the model airway temi the heavy line low shows the route of 2300 2 mile miles that comprises the system over which pilots fly weekly lo 10 turn from mitchel field the route cover covers washington dayton mount clement clemens st louis and back to mitchel by way ot dayton and washington the trip takee takes from four day days to a week the map mav pictured Is I 1 a new one jut just installed in ta the operation operations office the algur faures are left homer D B chandler receiving instructions Instruct loru from X L elliot operations of officer before starting on an airway trip |