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Mid-Air Crashes / Device #7225

ABC Evening News for Tuesday, Sep 23, 1969
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(Studio) Progress in preventing midair collisions made.
REPORTER: Sam Donaldson

(Over MD) Practical collision avoidance system necessary. 2 planes test system by flying close together. Alarm sets off. Cesium atomic clock can identify 2000 planes in 140-mi. area. Airlines and Federal Aviation Administration to adopt system and all planes to have it by early `70's. Costs $35 000 per plane. Hope for cheaper version for small planes.
REPORTER: Jules Bergman

(Studio) Device used by F-4 phantom jets.
REPORTER: Sam Donaldson

Bergman, Jules;
Donaldson, Sam

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