27 October 1909 (USA) — Mrs. Ralph van Denman flies for four minutes with Wilbur Wright at College Park, Maryland, becoming the United States’ first female passenger.

27 October/2 November 1934 (Australia/England) — Lieut. Owen Cathcart-Jones and Kenneth H.F. Waller fly from Darwin, Australia, to Lympne, England, in 5 days 15 hours and 23 minutes, setting a new world record. (De Havilland Comet, two De Havilland Gipsy Six R engines.)

27 October 1944 (Philippines) — The 9th Fighter Squadron flew its first mission from the Philippines since 1942.

27 October 1957 (South Pacific) — The United States Air Force reports sending a rocket at least 1,000 miles and perhaps 4,000 miles above the earth at Eniwetok Atoll in Operation Far Side.