July 1, 1957

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AVIONICS

Passive Radar Gives Infrared Technique at Microwave Frequencies

Hanscom Field, Bedford, Mass.— Fundamentally new technique for surveillance, mapping and navigation-guidance which bears some similarity to both infrared and to radar, yet which offers certain advantages over each, has just been revealed.

By Philip J. Klass12 min

AERONAUTICAL ENGINEERING

S2f Design Sires Family of Economical Adaptations

New York—Variations of the Grumman S2F carrier-based submarine hunter-killer are being made to play an increasing number of roles in Navy's operational planning. Variations include the WF-2 early warning radar picket and the TF-1 utility transport.

By Russell Hawkes8 min

EQUIPMENT

Optical Tracking Data Speeded By Human-engineered Theodolite

Van Nuys, Calif.—Prototype optical tracking theodolite designed to eliminate the data reduction bottle-neck by offering near on-time digital read-out has completed acceptance tests at Naval Air Missile Test Center, Point Mugu, Calif.

FINANCIAL

AMC Contracts

Wright-Patterson AFB, Ohio—Following is a list of USAF contracts as released by the Air Materiel Command: Allison Division, General Motors Corp.. Indianapolis, $12,337,920 for J71 turbojet engines, technical data and bill of materials.

BUSINESS FLYING

Lockheed, North American Stir Jet Race

Los Angeles—Lockheed and North American have taken a large lead over ether industry contestants in development of a new light jet utility transport and crew readiness trainer for USAF. Configurations of the new airplanes are shown in exclusive AVIATION WEEK photos on these pages, taken during recent first public showing of films of the Lockheed and North American entries.

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Letters

I feel that I must comment on the letter published in your May 20 issue (p. 158) under the caption "Surplus or Shortage?” from “A (Happy) Jobshopper.” I say, Bravo! And, Amen! Here, at last, is one of the most intelligent and forthright explanations yet put forward in your columns re the so-called engineer shortage.

AIR TRANSPORT

Local Lines Push Guaranteed Loan Plan

Washington—Government guaranteed loans to help finance new equipment would eliminate one of the most serious problems now facing local service airlines. Carriers’ difficulties in obtaining financing for new equipment were outlined last week before the Senate Interstate and Foreign Commerce Committee during hearings on Senate Bill 2229 which would provide government guaranty of private loans to air carriers for the purchase of aircraft and related equipment.

By Ford Eastman5 min

June 241957

July 81957

July 1, 1957

July 1, 1957