J. Cullen Weadock, retired president of Chesapeake and Potomac Airways Inc., a Baltimore-based company that operates commercial helicopters, died May 31 of cancer at his home in Vero Beach, Fla. He was 70.
Mr. Weadock retired and sold the company in 1980.
He helped found it at what was then Friendship International Airport in 1957. He became president in 1964, expanding its operations to 11 states.
He was elected president three times of the Helicopter Association International, an industry trade group, and was the 1974 recipient of its Lawrence D. Bell Award.
He was on several corporate boards and in 1980 was board chairman of the Maryland Chamber of Commerce.
Born in Greenwich, Conn., he was a graduate of the Hotchkiss School and Yale University.
During World War II, he took Navy flight training and was commissioned as a pilot in the Marine Corps, flying bombers in the South Pacific. Recalled to service during the Korean War, he became a helicopter pilot.
After Korea, he became sales manager for the Bell Helicopter Co.
He is survived by his wife, the former Barbara Hathaway; a daughter, Louise Weadock-Rowe of New York City; three sons, John Weadock of Columbia, Thomas Weadock of Ruxton and Michael Weadock of Finksburg; and three grandchildren.
A Mass was offered for Mr. Weadock June 6 at St. Michael's Roman Catholic Church in Greenwich, Conn.