[3] It was reported that a mayday distress signal had been received by an American radio station in the Azores just after midnight on 1 August.

The aircraft's position was estimated as 1,100 nautical miles (1,300 mi; 2,000 km) north of the Cape Verde Islands.

[5] The Portuguese authorities allowed aircraft searching for the missing Latécoère 631 to use the Ilha do Sal Airport, which was not then open to traffic.

[5] The United States Air Force sent a Flying Fortress and seven Boeing B-29 Superfortresses to join the search.

[7] USCGC Campbell reported finding two seats from the aircraft at a position 1,570 nautical miles (1,810 mi; 2,910 km) east of Puerto Rico.