Bray. did not identify the pilot. but a government official here said he was Ray Morina. He had flown the group to New Orleans to attend a meeting of the International Association of Sugar Cane Technologists. Their sudden arrival caught New Orleans officials off guard. The State Department said the Cubans had filed a flight plan about 8 a.m. with the Houston. Tex.. Air Traffic Control for a morning flight from :Havana to New Orleans. Officials said the flight was so quick that New Orleans authorities were not notified. The State Department had denied a Sept. 24 request for visas for the group to attend the sugarcane conference. [From the Washington Post. Oct. 27. 1971]