April 1, 1940

Winged Victory for the Allies Becomes More Likely While Germany Waits

Cabin Superchargers


National Aviation


Winged Victory for the Allies Becomes More Likely While Germany Waits

Hitler missed his chance at Munich. Then he had two and one-half times as many airplanes as the Allies. The tide is now turning and Germany's chance for success grows steadily less as, month by month, the Allies close the gap. British and French production rate, including planes from the U. S., actually passed the German monthly rate last fall, but Germany will still lead in total numbers of available planes until early in 1941.


Cabin Superchargers

With the advent of sub-stratosphere flying there came many problems which affect the design of superchargers for pressurized cabins


National Aviation

WASHINGTON (AVIATION BUreau)—Probably no aircraft ever created as much interest, and proved out as well, and was less in demand than the autogiro. But just as the Navy is now in the process of rescuing lighter-than-air, which came near oblivion though it showed great merit, so the Air Corps is sponsoring a government move to make sure that the rotary wing principle is made full use of.

High Octane Gasoline Or Safety Fuel

WHICH Will It Be?


Airline Safety Through Teamwork

EARLY on the morning of Tuesday, March 26, there were some 50 huge air transports flying through the darkness. A number were flying coast-to-coast schedules, others were winging their way from Chicago down through the Southwest, or carrying overnight passengers and mail up and down the East Coast.


Keeping Them Aloft

Under the CAA Flight Training Program operators are doing the best job of maintenance in light plane history—and learning sound operating methods at the same time. Herein a few tips to operators not taking part in the program.


Amber Lights for Runways

INSTRUMENT landings are commonplace; yet even with recent developments airlines use them as little as possible. In a true “blind landing” the ship is “flown into the ground” and sometimes contacts with a considerable jar—not bothersome to the experienced pilot but a danger signal to the airlines who must recognize any passenger inhibitions leading to the belief that everything is not smooth and safe.



A continuation of a basic article on the present and future of short-wave communication and navigation which was begun in our January issue. It was prepared originally for the Vienna meeting of the Lilienthal Gesellschaft which was to have taken place last October.


Quantity Production of Small Radial Engines

Producers of airplane engines are working overtime to prevent a bottleneck from developing. Here is the story of the reorganized Kinner Motors, and its production of 150 engines a month.


Aviation Operators Corner

Operators who have feit the need for spending a few dollars a month on newspaper advertising but who have not known how to prepare their copy can now solve their problem for $5 a month. An advertising man, Norman Warren, 452 Fifth Ave., New York City, has organized the Fixed-Base Operators’ Advertising Service.
March 11940 May 11940