FERNANDO DE NORONHA, Brazil (AP) - Military planes located more debris from an Air France jet yesterday as the first navy ship arrived at the scene in the mid-Atlantic. But high seas and heavy winds slowed the recovery effort and delayed the arrival of crucial deep-water submersibles.

Search vessels from several nations pushed toward the floating debris, including a 23-foot chunk of plane and a 12-mile-long oil slick that Brazilian pilots spotted from the air. Rescuers have still found no signs of life from the plane that was carrying 228 people from Rio de Janeiro to Paris, Air Force spokesman Colonel Jorge Amaral said.

A Brazilian navy spokeswoman said a patrol boat was close to one debris field after spending two days pushing through rough weather to reach the site, but had not yet retrieved any wreckage.

A navy frigate was expected to arrive later in the day, said the spokeswoman, who spoke on condition of anonymity in keeping with policy.

Flight 447 disappeared minutes after flying into an extremely dangerous band of storms Sunday night, but what exactly caused its electrical systems and cabin pressure to fail remains a mystery. The "black box" c**kpit recorders could be miles below the surface of the Atlantic Ocean.

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