Nathaniel B. Palmer (icebreaker)

Nathaniel B. Palmer is an icebreaking research vessel (RVIB) owned by Offshore Service Vessels LLC, operated by Edison Chouest Offshore, Inc. and chartered by the United States National Science Foundation. Nathaniel B. Palmer is tasked with extended scientific missions in the Antarctic.^[2][3] Nathaniel B. Palmer was purpose-built for and delivered to the NSF by Edison Chouest Offshore's North American Shipbuilding facility in 1992. Nathaniel B. Palmer is able to support up to two helicopters, accommodates up to 45 science and technical personnel, has a crew of 22 and is capable of missions lasting up to 65 days. The vessel is named after merchant mariner and ship builder Nathaniel Brown Palmer, credited by some historians as the first American to see Antarctica.^[2]

Nathaniel B. Palmer

Icebreaker Nathaniel B. Palmer, serving the National Science Foundation.
History
United States
Namesake	Nathaniel Palmer
Owner	Offshore Service Vessels LLC
Operator	Lockheed Martin Antarctic Support Contract
Builder	North American Shipbuilding Company
Yard number	137[1]
Launched	1992
In service	1992
Homeport	Punta Arenas, Patagonia
Identification	IMO number: 9007257[1] MMSI number: 366610000 Callsign: WBP3210[1]
Status	In service
General characteristics
Type	Research vessel
Tonnage	6,174 GT
Length	94 m (308 ft)
Beam	18.3 m (60 ft)
Height	NDL[clarification needed]
Draft	6.8 m (22 ft)
Depth	9.1 m (30 ft)
Ice class	ABS A2
Installed power	4 × Caterpillar 3608
Propulsion	Main propulsion: 12,720 hp (9,485 kW) Bow Thruster: 1,400 hp (1,040 kW) Stern Thruster: 800 hp (600 kW)
Endurance	65 days
Complement	67
Crew	22
Aircraft carried	helicopter

In February 2020, researchers aboard the vessel with the international Thwaites Glacier Offshore Research (THOR) project discovered Sif Island, located in Pine Island Bay of the Amundsen Sea, in Antarctica.^[4][5]

Gallery

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  Nathaniel B. Palmer
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