Aeronautics Newest radar safety device warns pilots. Post J1 10, 1947 p.5 Flying is safer than walking, says air official. Post J1 14, 1947 p.3 Mrs. Dianna Converse Cyrus streaks to Pikes Peak and back in record 25 min. RMN o 6, 1947 P.5 Dianna Converse Cyrus misses record in Denver hop. RMN Ag 4, 1948 p.14 Local firms, B.K. Sweeney and Higley aircraft, win role in making Boeing b-47's. Post 1 ^1T' 31, 1949 p.1 0