ENGINEERING

How Delta-wing Aids High-speed Flight

Unconventional planform combines advantages of low aspect ratio and sweepback, both reducing drag.

By Robert McLarren12 min

ENGINEERING

Magnesium Used as Structural Material

Redesigned F-80 wing reduces pieces to 31 percent and fasteners to 38 percent of aluminum alloy wing.

By J. P. Donald Garges12 min

AIR TRANSPORT

Paa-aoa Merger Hearing Ends

Heat but little light on major issues features long testimony; President holds key to proposal’s future.

By Charles Adams6 min

Latest Air Force Bid Awards

News Sidelights

FINANCIAL

Airline Securities Resist Trend

Carrier shares hit low points late in 1948, now show surprising strength in face of a general decline.

By Selig Altschul4 min

Military Role

Senate group to study armed forces’ surveys on aid of civil aviation.

EDITORIAL

Airline President Looks at Fares & Coaches

Air Force Faces $800 Million Budget Cut

Rather than raise taxes or run up deficit, Congress seeks economy—and eyes AF.

How to Cut Ground Travel Time

Los Angeles Airways head says helicopters are best solution to problem of slow transit from fields to cities.