A-84457:
Mar 17, 1937
IS DEEMED APPROPRIATE. 1937: I HAVE YOUR LETTER OF MARCH 3. 1937" IS NOT AVAILABLE FOR THE PURCHASE OF THESE AIRPLANES. THESE AIRPLANES WERE REQUIRED FOR SERVICE AS FOLLOWS: FOUR FOR ASSIGNMENT TO FOUR OF THE SIX EXISTING AIR NAVIGATION DISTRICTS OF THE BUREAU OF AIR COMMERCE TO BE UTILIZED FOR THE PURPOSE OF CHECKING RADIO RANGES AND OTHER AIR NAVIGATION FACILITIES FROM THE AIR. THE TIME THE APPR...