New air age maps replace those based on sea travel.
Item title reads - New maps for new worlds.
Piece of string traces route to Pacific on old map. One or two shots of a Sunderland flying boat on the water and motor launch on sea, as commentator explains that old maps were based on sea travel but have had to be plotted again now air travel is common. M/S of new air age map where straight line really is the shortest distance. M/S as female member of R.A.F. watches as aeroplane comes in to land. Airmen approach it. Various shots of the aeroplane as people get off.