July 5, 1971

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Space Technology

Apollo 15 to Set Length, Scientific Marks

American astronauts will embark this month on the Apollo 15 mission to explore for the first time the mysterious mountains of the moon, an expedition described as “one of the greatest scientific endeavors ever undertaken.” Liftoff of the Apollo 15 moon rocket with astronauts David Scott, Alfred Worden and James Irwin aboard is scheduled for July 26 at 9:34 a.m. EDT.

By Zack Strickland14 min

Air Transport

Sterling Studies Long-haul Aircraft Needs

Copenhagen—Sterling Airways, Europe’s largest charter carrier, is conducting equipment evaluations to determine what aircraft it will need to exploit the new long-haul charter market it hopes to develop over the next five to ten years. Selection of new aircraft to supplement its present basic fleet of Aerospatiale Caravelles probably will be made this fall.

By Donald E. Fink7 min

Aeronautical Engineering

Flight Test Program for L-1011 Realigned

Los Angeles—Delays and uncertainties in Lockheed’s L-1011 transport program have prompted the company to realign its flight test schedule somewhat, and eliminate one aircraft from the original six-aircraft flight test contingent. Performance and propulsion tests planned for the second L-1011 have been put off up to this time because of the lack of fully powered Rolls-Royce RB.211 engines.

By Robert R. Ropelewski6 min

Editorial

Another Progress Payment

The sad death of three Soviet cosmonauts in Soyuz 11 is another progress payment on the ultimate price of man’s unceasing quest for new knowledge. Lieut. Col. Georgi T. Dobrovolsky, Flight Engineer Vladislav N. Volkov and Test Engineer Viktor I. Patsayev were pioneering a new phase of space flight not only by working in the first prototype of a true orbital space station but also in extending the period of man’s operations in the environmental conditions of space.

By Robert Hotz4 min

Aeronautical Engineering

Harrier Flexibility Displayed at Paris

Five Hawker Siddeley Harriers from the first operational vertical takeoff and landing fighter unit, No. 1 Squadron of Britain’s Royal Air Force, furnished on short notice a Paris air show demonstration of the growing operational flexibility of the aircraft.

June 281971

July 121971

July 5, 1971

July 5, 1971