BOEING'S MILITARY TWIN - With some 300 examples of the Boeing 737 twin-jet transport in airline service, the type has now joined the USAF as a navigation trainer. Details of this new T-43A version are presented, including a cutaway drawing, and Boeings' proposals for other military variants of the 737 are described.
AMST—ADVANCING THE STOL - ART - Prototype STOL transports now under development in the USA will help to demonstrate the practical advantages and the cost of providing shorter take-off and landing performance for military operations. The most advanced of the various projects is the Boeing YC-14, the subject of this description accompanied by an exclusive cutaway drawing.
VENEZUELA REFURBISHES HER AERIAL SOMBRERO - Seldom, if ever before, in peace-time has an air force simultaneously introduced four new types of aircraft into its front-line inventory, yet this is the self-imposed task now confronting the Fuerza Aerea Venezolana. The mas- sive modernisation programme is described, together with an account of the foundation and evolution of one of South America's most efficient air forces.
GALLIC GUARDIAN - Featuring a French aircraft for the first time, our "Warbirds" series is devoted to the Morane- Saulnier MS 406, numerically the most important fighter available to I'Armee de 'Air in 1939. In the first of a two-part coverage, Pierre Leyvastre describes the evolution up to mid-1939, and Colonel Pierre Boillot contributes a "Viewed from the Cockpit" account of flying the MS 406.
AIRSCENE - The monthly round-up of news and background to the news.
THE RISE AND FALL OF THE BRITISH LIGHT AEROPLANE - Concluding his two-part survey, Alan Bramson describes the activities of various manufacturers during World War II, with particular reference to the forward-thinking Miles efforts. From 1945 onwards, the story is one of decline, to the point today when Britain has but one light aircraft of national design in quantity production. 
MODEL ENTHUSIAST - Modelling comments, the latest kits reviewed and a colour plate of the PZL 11.
TALKBACK - Readers of AIR enthusiast offer comments of general interest.
FIGHTER A TO Z - Continuing the AIR enthusiast encyclopasdia of the world's fighter aircraft, from the Bleriot SPAD 51 to Bleriot SPAD 81.
PLANE FACTS - Answers to readers' enquiries from the AIR enthusiast files: Dornier Do 212, Piper PA-31 Papoose; Siebel Si 202; Convair XC-99.
IN PRINT - New Aviation literature noted.
AIR DATA FILE - Technical data, photographs and general arrangement drawings for the Dassault-Breguet/Dornier Alpha Jet; Europlane; Rockwell Turbo Commander 690B.