That's right Philippe Cousteau was killed. It's mentioned
http://www.catalina.org.nz/n5404j.htm
The History of “NJ”, Catalina N5404J
N5404J, serial number 22022, was built by Boeing of Canada and had the RCAF Serial 9793. It was originally a Canso A (PBY-5A) but at the war's end was modified in Costa Rica to 28-5ACF status. Its blister windows were removed. It had R1830-94 engines. It was never used as a water bomber. Ownership changed hands at least eight times. Registrations have included: YV-P-APE, OB-LDM-349, HK-996X, HP-289, HR-236, N6108, TG-BIV, N5404J. It took part in the ill-fated "Bay of Pigs" operation in Cuba during which, while circling the invasion area and operating with the code name "Swan Island", its mission was to act as a communications relay aircraft. It was also used in making of the film Tora, Tora, Tora, flying in pre-war US Navy colours both as 24-P-4 and 24-P9 representing PBYs from VP-24 based on Ford Island, Pearl Harbour. It was hired at one time by renown marine biologist Jacques Cousteau on one of his ventures (Jacques Cousteau’s son, Philippe was killed in PBY-6A Catalina N101CS –"Flying Calypso" in a water landing accident). N5404J's last registered owner was The Catalina Company (NZ) Ltd under which the registration ZK-PBY was reserved but never taken up as the aircraft forced landed and sank in mid-Pacific early on January 14, 1994 during a ferry flight to New Zealand. For the whole fascinating story order a copy of Catalina Dreaming from this site today!