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USNS Gyre (AGOR 21).
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Class: GYRE (AGOR 21)
Design: SCB, MC/MA, Navy XX #
Displacement (tons): 900 light, 950 full
Dimensions (feet): 165' oa, 158' wl x 36' e/wl x 15' max nav
Original armament: 4-5"/38
Later armaments: (19xx) 4-20mm
Complement: ###
Speed (kts.): ##.#
Propulsion (HP): #,###
Machinery: Geared diesel, 2 screws

Construction:
AGORNameOrd/AcqBuilderKeelLaunchComm/Svc
21GYRE23 Jun 1972Halter Marine9 Oct 197225 May 197314 Nov 1973
22MOANA WAVE23 Jun 1972Halter Marine9[10 NVR] Oct 197218 Jun 197316 Jan 1974

Disposition:
AGORNameTDecomm/CustStrikeDisposalFateMA Sale/Depart
21GYRETDECOM17 Aug 199217 Aug 1992Trf--
22MOANA WAVEDECOM30 May 19992 Nov 1999Trf--

Class Notes:
Utility type. Strike of AGOR 22 is 24 Jun 1999 in NVR. TDI-Brooks’ affiliate in Brazil, GSI-Brooks, in March 2006 signed a contract with PETROBRAS to provide TDI-Brooks’ research vessel the R/V GYRE for a two-year contract. The R/V GYRE was previously Texas A&M University’s (TAMU’s) research vessel operated by its Department of Oceanography. TDI-Brooks purchased this vessel from TAMU in November 2005. [https://www.tdi-bi.com/tdi-brooks-rv-gyre-begins-coastal-and-environmental-monitroring-contract-for-petrobras/]

Ship Notes:
AGORNameMANotes
21GYREFY 1972/71. [Or ln. 7 Jun 1973.] Loaned to Texas A&M, title transferred 1992.
22MOANA WAVEFY 1972/71. [Or ln. 23 Jun 1973, NVR abovd.] Loaned to Univ. of Hawaii 1974-1999. Modified to test SURTASS 1980, lengthened 1984. Trf. 1999 to State of Alaska for commercial work.

Page Notes:
Compiled: 20 Oct 2021
© Stephen S. Roberts, 2021
Sources: DB, Maroon