Radar at Last

Airlines have been slow to go for radar. The sets are expensive and cut payload. But this week the Peruvian International Airways started the first regularly scheduled passenger service (between New York and Santiago, Chile) completely safeguarded by radar. P.I.A.'s radars (made by General Electric) weigh 150 lbs. in all, but show a clear map of the country below. The pilot knows where he is--and where the obstacles are--in all weathers.

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