In Partnership With

January 29, 1968

Safety

Electrical Failure Cited in Lear Jet Crash

Missile Engineering

Nasa Seeks Tank Stress Corrosion Cause

Aeronautical Engineering

Tri-service Needs Guide Crane Designs

102103

Safety

Electrical Failure Cited in Lear Jet Crash

Investigators report inadequate attitude reference resulted from ac. power loss in aircraft during turbulence at night

6869

Missile Engineering

Nasa Seeks Tank Stress Corrosion Cause

Hercules gets one-year contract to determine mechanism and prevention of cracks in spacecraft nitrogen tetroxide tanks

5657

Aeronautical Engineering

Tri-service Needs Guide Crane Designs

Washington-Boeing/ Vertol is developing a family of 20-ton-plus payload crane helicopters in hopes of meeting tri-service requirements for such heavy-lift vehicle designs. Heavy-lift crane work has been assigned as the top-priority mission of the company’s Advanced Helicopter Dept.

4445

Air Transport

Chemical Seeding Disperses Airport Fog

Sacramento, Calif.—Encouraging results so far in a fog-dispersal test program here indicate that the U.S. airline industry may be approaching a solution to the fog problem that costs it an estimated $75 million a year. During the first half of the test program, an airport closed by warm fog was opened on 11 occasions out of 16 attempts by seeding the fog layers from the air with chemicals.

2425

Space Technology

Nasa May Jump to Manned Apollo Flight

3031

Air Transport

Travel Deficit Proposals Resisted

Drive to ease balance of payments problem by diverting traffic to U. S. carriers meets strong opposition by foreign flag airlines

2223

Aeronautical Engineering

Navy Evaluates F-111b Substitutes

Grumman, McDonnell designs are currently leading candidates; efforts to drop F-111B production plans expected to succeed

3233

Air Transport

10-year Aviation Facilities Plan Readied

Washington—Comprehensive, 10-year aviation facilities planning package will be the first major document embodying Transportation Dept, analysis and appraisal of the present airways and airport facilities system. The plan is being developed in response to President Johnson’s request last fall for an updated air traffic control system plan.
7475

Avionics

Modular Tactical Radar Display Developed

New generation of compact, lightweight, low-power tactical radar displays could evolve from a modular system developed under the sponsorship of USAF Rome Air Development Center. The modular approach was chosen so that a family of displays could be developed around a single basic design.

2829

Luftwaffe Seeking Two Wings of Rf-4es

January 221968 February 51968