April 26, 1976

April 26, 1976

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Aeronautical Engineering

Advancing-blade Test Funds Dwindle

By Warren C. Wetmore14 min

Safety

Approach Error Cited in King Air Crash

Management

Equipment Modernization Obstacles Spurring Wide Concern

By William H. Gregory10 min

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3637
Aeronautical Engineering

Advancing-blade Test Funds Dwindle

Stratford, Conn.—Sikorsky Aircraft Div. of United Technologies is seeking to interest other government agencies in supporting the high-speed auxiliary-propulsion phase of the XH-59A advancing-blade concept (ABC) test helicopter program in the face of an almost-certain cutoff of Army funds at the end of September.

By Warren C. Wetmore14 min

6061
Safety

Approach Error Cited in King Air Crash

Analysis. The flight crewmembers were certificated and qualified to conduct the flight. There was no indication of any medical or physiological problem that would have affected the performance of their duties. The aircraft was certificated and maintained in accordance with applicable requirements and regulations.
1415
Management

Equipment Modernization Obstacles Spurring Wide Concern

Airlines and aerospace industry face capital formation problem aggravated by effects of inflation on depreciation

By William H. Gregory10 min

4849
Avionics

Awacs Communication Evaluation Set

Seattle—Advanced communication equipment for the USAF/Boeing E-3A airborne warning and control system (AWACS) airplane is due to begin a year-long demonstration and evaluation here in July. The airborne terminal is intended to expedite exchange of data among AWACS, surface command and control elements, tactical aircraft and surface units within a tactical theater.

By Benjamin M. Elson7 min

5253
Avionics

F-4 Digital Avionics Update Decision Near

Grand Rapids, Mich.—Initial production decision on the USAF/Lear Siegler AN/ARN-101 computer-controlled navigation and weapons delivery system may be reached as early as next month. Lear Siegler won a competition against ITT Avionics and an initial $9.6-million award from USAF’s Electronic Systems Div. last summer (AW&ST Aug. 4, 1975, p. 24).

By Kenneth J. Stein6 min

5657
Business Flying

Nasa Points Research to Aid General Aviation

By Erwin J. Bulban6 min

2223
Safety

Two More Crashes Undetected for Hours

By David A. Brown5 min

2627
Air Transport

Industry Studies Fuel-saving Steps

Report to NASA points to selected equipment changes, modified operating procedures as airline energy savers
4445
Space Technology

Similarity Noted in Venus, Earth Rocks

Washington—Data from the Soviet Venera-9 and -10 Venus landers indicate Venusian rocks at the landing sites have a density and composition of natural radioactive elements similar to those found in terrestrial basalts. The data is consistent with information transmitted from the Venera-8 Soviet Venus lander (AW&ST July 31, 1972, p. 18).

By Craig Covault5 min

89
Editorial

Business Flying Prospects

Our industry has just experienced the best dollar sales year in history, with over $1 billion in billings on aircraft shipments of 14,072 units in 1975. This is a significant milestone. The 1975 performance reflects a 13.6% increase in billings over 1974, when sales of $909 million were reported on shipments of 14,166 units.
April 191976 May 31976