Brazilian research ship Ary Rongel
Ary Rongel (H44) is an ice-strengthened oceanographic research ship of the Brazilian Navy.  It was built by the Georg Eide's Sønner of Høylandsbygd, Norway as Polar Queen and was launched on 22 January 1981. It was acquired by the Brazilian Navy in 1994 for the Brazilian Antarctic Program.

Description
As built, the ship was an ice-strengthened research vessel. The vessel measured  and , was  long overall and  between perpendiculars with a beam of . In 1986, the ship was lengthened to  long overall and  between perpendiculars. The vessel was remeasured as  and 1,100 deadweight.

The ship is powered by two MaK 6M-453 diesel engines driving one shaft turning a controllable pitch propeller, one stern thruster and two bow thrusters rated at . The ship is capable of  and has a cruising range of  at .

In Brazilian naval service, the research ship has a standard displacement of  and  at full load. The ship is equipped with a helipad and is capable of operating up to two UH-13 Helibrás Esquilo helicopters. The vessel's cargo capacity in naval service is  and the ship has a complement of 70 including 19 officers and space for 22 scientists.

Service history
The research vessel was constructed at Georg Eide's Sønner in Hoylandsbygd, Norway with the yard number 111. The vessel's keel was laid down on 27 September 1980 and the ship was launched on 22 January 1981 as Polar Queen. Polar Queen was completed in March 1981.

The vessel was put up for sale and was acquired by the Brazilian Navy on 19 April 1994 for use as a polar research ship assigned to the Brazilian Antarctic Program. Renamed Ary Rongel for Admiral Ary dos Santos Rongel, the ship was commissioned into the Brazilian Navy on 25 April 1994 and given the hull number H44. The ship is homeported in Rio de Janeiro.

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Naval ships of Brazil
Auxiliary ships of the Brazilian Navy
1981 ships