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  USS Oyster Bay AGP-6 (AVP-28) Pietro Cavezzale (A 5301)
Barnegat class small seaplane tender
MTB Tender

1,766 Tons (Light)
2,750 Tons (Full)

311' 8" x 41' 1" x 13' 6"
1 x 5" DP gun
1 x Quad 40mm AA gun
2 x dual 40mm AA guns
4 x 20mm cannons
2 x depth charge tracks

Ship History
Built by Lake Washington Shipyard in Houghton, Washington. Laid down April 17, 1942 as a Barnegat class small seaplane tender designated AVP-28 but during construction converted into a Motor Torpedo Boat (MTB) Tender. Launched September 17, 1942 as USS Oyster Bay AGP-6 named for Oyster Bay, NY sponsored by Mrs. William K. Harrill. On May 1, 1943 reclassified as AGP-6. Commissioned November 17, 1943 in U. S. Navy (USN) with Lt. Commander Walter W. Holroyd in command. Afterwards, undertook a shakedown cruise from Seattle to San Diego until the end of the year.

Wartime History
On January 2, 1944 departs San Diego to Brisbane then proceeds to Milne Bay to support two PT Boat Squadrons starting February 28, 1944.

On March 9, 1944 departs Milne Bay escorting fifteen PT Boats to Seeadler Harbor in the Admiralty Islands. On March 14, 1944 bombards Pityilu Island. Afterwards embarks 42 wounded soldiers and departs March 20, 1944 evacuating them to Langemak Bay to be hospitalized at Finschafen then returns to Seeadler Harbor arriving March 31, 1944 and bombards Ndrilo Island before the U. S. Army landing.


In June 1944 part of MTB Task Group 70.1 (TG 70.1) off Hollandia providing tender services to MTB Squadron 8 and MTB Squadron 12. On June 5, 1944 anchored between Insoemanai Island and Wakde Island and experiences an air alert.

On June 13, 1944 after midnight goes into general quarters due to a single enemy bomber at high altitude that was spotted by U. S. Army searchlights at Tome and Wakde and the 5" gun fires 29 rounds but manages to release a bomb the scores a near miss landing 100 yards away and causes three injuries aboard with S1C William E. Brine died of wounds and the other two injured crew transfered to an Army hospital for medical treatment.


For her World War II service, Oyster Bay earned four battle stars: Eastern New Guinea Operations, Western New Guinea Operations, Bismarck Archipelago Operations and Leyte Operations.

On March 29, 1946 decommissioned at San Francisco. On April 12, 1946 struck from the Naval Register and four days later to the Maritime Commission and placed in the National Defense Reserve Fleet, Stockton Group.

On January 3, 1949 returned to the U. S. Navy and reclassified as AVP-28. Afterwards, placed in the Pacific Reserve Fleet, Stockton, CA.

On October 23, 1957 transfered to Italy to the Marina Militare (Italian Navy) and renamed Pietro Cavezzale (A 5301) in honor of military hero Pietro Cavezzale who earned a Silver Medal of Military Valor and used as a tender for special forces. During October 1993 decommissioned. On March 31, 1944 stricken.

During February 1996 sold for scrap and afterwards broken up.

NARA War Diary USS Oyster Bay (AGP-6) June 1944
NavSource - USS Oyster Bay (AGP-6) (photos)
FindAGrave - S1C William Edward Brine (grave photos)

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Last Updated
August 4, 2020


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