HONOLULU (KHON2) — The United States Coast Guard said the overdue sailboat operator who departed Nawiliwili Harbor, Kauaʻi on Thursday, Sept. 2, was spotted 350 miles off Oahu on Thursday, Sept. 9.

USCG officials said Phillip Grenz and his vessel, “Epic,” were spotted by a Navy aircrew 350 miles southeast of Oahu.

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Grenz reportedly left Kauaʻi on Sept. 2 to travel to Haleiwa, Oahu. USCG officials sent out the first report of the overdue operator on Saturday, Sept. 4.

According to USCG officials, Grenz was on the deck of his vessel and waved his hands in the air as the Navy aircrew spotted him off Oahu.

Another aircrew from Air Station Barbers Point was deployed and dropped a rescue kit with food, water and a radio to the overdue sailboat operator.

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Officials did not give details on how Grenz — described to be approximately 68 years old — managed to survive the 7-day expedition.

**Correction: An earlier version of this story stated the Coast Guard had spotted and rescued Grenz. The error has been corrected.