March 11, 1968

March 11, 1968

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Management

Military Research, Development Contractors (top 500-fiscal 1967)

Aeronautical Engineering

Dornier Sets Hot-cycle Helicopter Tests

By Warren C. Wetmore9 min

Avionics

Major Role in Electronic Air War Earned By Radar Chaff

By Barry L. Miller8 min

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7273
Management

Military Research, Development Contractors (top 500-fiscal 1967)

3839
Aeronautical Engineering

Dornier Sets Hot-cycle Helicopter Tests

Immenstaad, W. Germany—Relatively low purchase price of the Dornier Do. 132 light turbine helicopter and low maintanance requirements resulting from the hotcycle aircraft’s reaction rotor system are said to offset the somewhat higher fuel consumption inherent in the system's lower efficiency.

By Warren C. Wetmore9 min

5455
Avionics

Major Role in Electronic Air War Earned By Radar Chaff

Los Angeles—American aircraft are increasing the use of chaff, one of the oldest techniques for confusing enemy radar defenses, as part of the quickening pace of electronic warfare over North Vietnam. The practice of confusing enemy radar operators and masking the presence of bombers by dispensing from attacking aircraft large quantities of metal foil, or chaff, cut to lengths resonant at the defense radar frequency to return spurious radar returns, dates back to the now famous Royal Air Force raid on Hamburg in 1943.

By Barry L. Miller8 min

2829
Air Transport

Sst Faces Drastic Cut in Weight

50,000-lb. excess in aircraft structure, severely compromising range and payload goals, principal reason for prototype delay

By Harold D. Watkins6 min

1819
Management

Air Reserve Activation Strains Resources

Any future reserve call-up of the Air Force, National Guard or Navy air units will cut deeply into this nation’s reserve capability. Within the Pentagon, such a call-up is expected in view of the tightening manpower requirements of the war in Southeast Asia—South Vietnam, Laos and elsewhere.
1617
Management

New Round Seen in F-111b Fight

Navy evaluation of substitute aircraft proposals next month expected to start renewed controversy centered on feasibility

By Donald C. Winston5 min

6263
Avionics

Air-ground Radar Beacon Link Proposed

Los Angeles—Lightweight Motorola radar transponder together with an inexpensive Bendix radar which would provide a secure ground-air link are being proposed to the military services as an improved means of pinpointing the position of ground force units or downed pilots.

By C. M. Plattner5 min

2829
Air Transport

Four Carriers Drop Plans to Buy 747fs and 747cs

By Richard F. Coburn5 min

2627
Avionics

Satellite-cable Dispute Emerges in Fcc

Dissenting opinion in transatlantic decision implies cable is ‘uneconomic’; public denied opportunity to reward efficiency

By Katherine Johnsen5 min

3031
Air Transport

Future Landing Aid Needs Study Launched

Washington-Program to develop requirements and specifications for a new aircraft approach and landing system, as a potential replacement for ILS, was launched here recently with the first meeting of the Special Committee 117 of the Radio Technical Commission for Aeronautics (RTCA).

By Philip J. Klass4 min

March 41968 March 181968