Missing aviators

Charles Clifford Ogle (January 21, 1923 – c. August 12, 1964?) was a businessman and developer in San Francisco and Oakland, California, at the time of his disappearance.

René Guilbaud (8 October 1890 – disappeared 18 June 1928) was an early-20th-century French military aviator.

François Coli (5 June 1881 – presumably on or after 8 May 1927) was a French pilot and navigator best known as the flying partner of Charles Nungesser in their fatal attempt to achieve the first transatlantic flight.