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USS Oyster Bay (AGP-6) in Puget Sound on 28 November 1943.
Click on this photograph for links to larger images of this class.

Class:        OYSTER BAY (AGP-6)
Design:        Navy AVP-10
Displacement (tons):        1,760 light, 2,800 lim.
Dimensions (feet):        310.75'oa, 300.0' pp x 41.2'e x 13.5'lim.
Original Armament:        2-5"/38 4-40mmT 8-20mm (1943-44: all)
Later armaments:        --
Complement:        268 (1944)
Speed (kts):        18.2
Propulsion (HP):        6,400
Machinery:        Fairbanks Morse diesels, 2 screws

Construction:

AGP Name Ord. Builder Keel Launch Commiss.
6 OYSTER BAY 6 Dec 40 Lake Washington, Houghton 17 Apr 42 7 Sep 42 17 Nov 43
7 MOBJACK 6 Dec 40 Lake Washington, Houghton 25 Feb 42 2 Aug 42 17 Oct 43
8 WACHAPREAGUE 14 Apr 42 Lake Washington, Houghton 1 Feb 43 10 Jul 43 17 May 44
9 WILLOUGHBY 14 Apr 42 Lake Washington, Houghton 15 Mar 43 21 Aug 43 18 Jun 44

Disposition:

AGP Name Decomm. Strike Disposal Fate MA Sale
6 OYSTER BAY 26 Mar 46 23 Oct 57 23 Oct 57 Trf. --
7 MOBJACK 21 Aug 46 13 Nov 46 22 Aug 46 Trf. --
8 WACHAPREAGUE 10 May 46 5 Jun 46 27 May 46 USCG --
9 WILLOUGHBY 26 Jun 46 19 Jul 46 26 Jun 46 USCG --

Class Notes:

FY 1941 (AGP 6-7), 1942 (AGP 8-9), all as AVPs. The idea of using as motor torpedo boat tenders ships similar to the BARNEGAT (AVP-10) class but with torpedo overhaul and stowage facilities was first suggested in July 1941 by a PT boat squadron commander based on his experience with the converted yacht NIAGARA (PG-52). Instead, two more yachts (PG-58 and PG-55) were converted, the three yachts eventually being classified AGP 1-3. On 16 Dec 42 the Bureau of Aeronautics recommended cancelling some BARNEGAT-class AVPs as being in excess of requirements. In lieu of cancellation, COMINCH asked VCNO on 13 Jan 43 to designate four for completion as "type flagships and tenders for Motor Torpedo Boat squadrons." Their support would give greater mobility to PT squadrons for operations in the South Pacific. COMINCH had been advised that BuShips had concluded that AVPs could fulfil almost all the requirements of MTB tenders with very little conversion. Notably, they had the armament and speed to support MTBs in advanced areas, they had the necessary storage, maintenance, and accommodation spaces, and they had a 10-ton crane that was capable of lifting the sterns of MTBs clear of the water. The first pair, AVP 26 and 27, was to be completed at the earliest possible date, completion of the other pair, AVP 56-57 would follow considerably later. The four ships were reclassified on 8 Mar 43. In April the Bureau of Ships reported that AVP-26 could be completed as an AVP before the working plans for her conversion to AGP would be available and recommended substituting AVP-28, which could be completed as an AGP at the same time anticipated for AVP-26. On 1 May 43 the designation AGP-6 was shifted from AVP-26 to AVP-28. AGP 8-9 and their sister AGC-18 were transferred to the Coast Guard in 1946 for weather patrol duty, leading the way for 15 AVP sisters that followed in 1948-49.

Ship Notes:
AGP Name Notes
6 OYSTER BAY Ex AVP-28 1 May 43 (see AVP-26). Stk. 12 Apr 46, to MC 12 Aug 46. Offered for sale in March and June 1948, all bids rejected. From MC 3 Jan 49, reinstated 10 Feb 49, to AVP-28 3 Mar 49. In USN reserve 1949-57 (in service in reserve at Stockton 1952-56 and probably at Alameda 1949-51). Trf. to Italy as the special forces support tender PIETRO CAVEZZALE. Decom. 16 Oct 93, stricken 30 Apr 94, scrapped 29 Feb 96.
7 MOBJACK Ex AVP-27 8 Mar 43. Trf. to Coast and Geodetic Survey, Dept. of Commerce, as PIONEER (OSS-31). Sold 4 May 66.
8 WACHAPREAGUE Ex AVP-56 8 Mar 43. To USCG as McCULLOCH (WAVP-386). To South Vietnam 21 Jun 72 as NGO QUYEN. To Philippines Apr 76 as GREGORIO DE PILAR. Decom. Jun 85.
9 WILLOUGHBY Ex AVP-57 8 Mar 43. To USCG as GRESHAM (WAVP-387). To NDRF 23 May 73, sold by Navy (DSSO) 25 Sep 73 with ex-AVP-29, to buyer 25 Jan 74.

Page Notes:

AGP        1943

Compiled:        09-Oct-00
© Stephen S. Roberts, 2000-2015