One of the search and rescue aircraft deployed to look for them, a PBM Mariner with a 13-man crew, also disappeared. A tanker off the coast of Florida reported seeing an explosion and observing a widespread oil slick when fruitlessly searching for survivors. The weather was becoming stormy by the end of the incident. According to contemporaneous sources the Mariner had a history of explosions due to vapour leaks when heavily loaded with fuel, as for a potentially long search and rescue operation.