Glen L. Martin flew his own plane, built in Santa Ana, from the waters of the Pacific Ocean at Balboa to Catalina Island, May 10, 1912. This was the first water-to-water flight and the longest and fastest over-water flight to that date. Martin, on his return to the mainland, carried the day's mail from Catalina--another first.

Marker is on Balboa Pier.

Courtesy hmdb.org

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