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250' 8" x 49' x 24.49"
Crew: 20 plus passengers
Research Vessel (R/V) Petrel was completed in 2003 and purchased by Paul Allen in 2015. Registered in the United Kingdom. IMO: 9268629, MMSI: 235102789, Call Sign: 2HDR6. The vessel has a dual philanthropic mission: to locate shipwrecks at deep depths also to conduct scientific projects for Vulcan Inc. also owned by Paul Allen. After he passed away, owned by the estate of Paul Allen. Previously, the crew were aboard Octopus.
During November 2017 to December 2017 Petrel searched Ormoc Bay and found the shipwreck of USS Ward APD-16 and also dove the known shipwreck of USS Cooper DD-695 and discovered Shimakaze and another Yūgumo Class Destroyer (later identified as Naganami) at a depth of 827'/ 252m.
In early January 2018 Petrel returned to Ormoc Bay and dove the Yūgumo Class Destroyer found previously and identified it as Naganami. Also, Petrel's manned submersible Pagoo dove USS Cooper DD-695.
During February 2018 Petrel with a U. S. Navy team aboard located the crash site of a C-2A Greyhound crashed November 22, 2017 that crashed into the Philippine Sea at a depth of 18,500'. Between February 2-5, 2018 Petel surveyed the crash site with side scan sonar and a Remotely Operated Vehicle (ROV).
During late January 2019 arrived in the Solomon Islands to search for U. S. Navy and Japanese shipwrecks from World War II. In late January 2019 located USS Hornet CV-8 at a depth of 17,000' / 5,200m. On February 5, 2019 RV Petrel reported the discovery of Battlecruiser Hiei upside down at a depth of 2,952' / 899.8m. On February 6, 2019 RV Petrel reported the discovery of USS Strong (DD-467) that was reported on February 25, 2019.
On April 26, 2019 Jintsū was located at the mouth of Kula Gulf at a depth of 2,952' / 900m with her bow laying on its port side and the stern section upright.
During October 2019, MV Petrel conducted weeks of grid searches for the shipwreck of Kaga that included 500 square nautical miles within the Papahanaumokuakea Marine National Monument of the Pacific Ocean. Aboard was Robert Kraft, director of undersea operations and Frank Thompson, a historian with the Naval History and Heritage Command (NHC). On October 18, 2019 the discovery of Kaga was reported. The shipwreck is upright at a depth of 17,716.54' / 5,400m partially buried in the bottom with most of the flight deck missing. On October 19, 2019 the discovery of Akagi was reported. The shipwreck is upright at a depth of 18,011' / 5,490m.
PaulAllen.com - R/V Petrel
Facebook - RV Petrel
MarineTraffic - Petrel Research/Survey Vessel
Global Defense News ".S. Navy mapped the wreckage of a C-2A Greyhound that crashed into the Philippine Sea" by USN February 17, 2018 via Wayback Machine March 7, 2018
Naval History and Heritage Command "H-027-1: There Are No Headstones at Sea—The Search for Wasp and Hornet" by Samuel J. Cox, director NHHC, March 2019
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