09 May 1972 : In Operation Pocket Money, U.S. Navy A-6 Intruder and A-7 Corsair II bombers from three aircraft carriers lay naval mines in the harbors at Haiphong and six other North Vietnamese ports.
09 May 1970 : U.S. Navy attack helicopters are the first American aircraft to reach Phnom Penh during the American and South Vietnamese invasion of Cambodia.
09 May 1967 : First flight of the Fokker F28 Fellowship, Dutch short range jet airliner.
09 May 1965 : Launch of Luna 5 (E-6 series), unmanned space mission of the Luna program, also called Lunik 5.
09 May 1964 : de Havilland’s Chief Test Pilot Bob Fowler took the first flight of the Cariboo.
09 May 1964 : A Republic F-105B-15-RE Thunderchief, 57-5801, Thunderbird 2, one of nine delivered to the Thunderbirds demonstration team in mid-April 1964, suffers structural failure and disintegrates during 6G tactical pitch up for landing at airshow at Hamilton AFB, California, killing pilot Capt. Eugene J. Devlin. The failure of the fuselage's upper spine causes the USAF to ground all F-105s and retrofit the fleet with a structural brace, but the air demonstration team reverts to the North American F-100 Super Sabre and never flies another show in F-105s.
09 May 1962 : First flight of the Sikorsky CH-54 Tarhe, twin-engine heavy-lift helicopter designed by Sikorsky Aircraft for the US Army. It is named after Tarhe (whose nickname was "The Crane"), an eighteenth-century chief of the Wyandot Native American tribe.The civil version is the S-64 Skycrane.
09 May 1960 : First flight of the Auster D.6 G-25-10.
09 May 1958 : A USAF North American F-100F-10-NA Super Sabre, serial number 56-3810, crashed 8 miles (13 km) NNE of Kadena AB,Japan. Instructor/test Pilot:Capt Theodore Christos and rear seat pilot Capt James Looney ejected but were killed. Crash Investigation Board report indicated cause of crash was undetermined.
09 May 1957 : Boeing KC-97F-55-BO Stratotanker, 51-0258, c/n 16325, en route from Sidi Slimane Air Base, Morocco, to Terceira-Lajes AFB, Azores, ditches at 0616 hrs. in the Atlantic 550 km (343.8 mls) SE of the Azores Islands following a double engine failure, no fatalities amongst the seven crew. The airplane floated for ten days and was sunk by USS Wisconsin.
09 May 1957 : 1st Lt. David Steeves departs Hamilton AFB, California for Craig AFB, Alabama, in T-33A-1-LO Shooting Star, 52-9232, and disappears without a trace. Declared dead by the Air Force, he emerges from the Kings Canyon National Park in the Sierra Nevada mountains 54 days later, having ejected from the jet after an in-flight emergency. He stumbled on a ranger cabin during his ordeal where he found fish hooks, a canned ham and a can of beans. Unable to locate the downed trainer, officials eye him with suspicion and rumors that he traded to jet to the Russians, or flew it to Mexico, dog the pilot and ruin his military career. He returns to civilian life and eventually dies in an aircraft accident in 1965. Finally, in 1977, Boy Scouts hiking in the national park discover the canopy of his T-33, too late to vindicate the pilot's story and reputation.
09 May 1954 : First flight of the Goodyear GA-400R Gizmo, an American one man helicopter for liaison and observation.
09 May 1952 : Death of Elia Antonio Liut, Italian Aviation pioneer.
09 May 1952 : French Leduc 0.16 research ramjet again suffers landing gear collapse on touchdown and is damaged. After several more flights in 1954, it will be retired to the Musee de l'Air.
09 May 1952 : Maj. Neil H. Lathrop attempts low-level aileron roll in second prototype Martin XB-51-MA, 46-686, crashes at end of runway at Edwards AFB, California with fatal result.