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Barnegat Class, U.S. Small Seaplane Tenders


Photograph of Barnegat-class small seaplane tender

National Archives # 19-N-26612

Schematic diagram of Barnegat class small seaplane tender

ONI 222


Specifications:


Tonnage 1766 tons light
2750 tons fully loaded
Dimensions 311' by 41' by 20'
94.8m by 12.5m by 6.1m
Maximum speed       18 knots
Complement 215
Armament 2 5"/38 dual-purpose guns
4x1 0.50 machine guns
Machinery
2-shaft General Motors 12-288 diesel (6080 shp)
Range 6000 nautical miles (11,000 km) at 13 knots
Bunkerage
260 tons diesel oil
84,340 gallons gasoline
Modifications
Armament varied considerably from unit to unit.

1942: Authorized armament increased to 4x1 5"/38 guns, 8x1 20mm Oerlikon AA guns, 2 depth charge projectors, and possibly QC sonar. Many units never actually received the additional 5"/38 mounts or were completed with only a single 5"/38 mount and a pair of depth charge tracks.

1943: SA and SF radar likely installed on many units.

1944: One 5"/38 mount replaced with 1x4 40mm Bofors AA guns on many units.


The Barnegats were completed 1941-45. They were an innovative concept, designed to operate independently near the battle line. Each could tend a squadron of 12 planes. However, their seaplanes offered no protection against enemy aircraft and they lacked the point defenses to successfully operate independently. Many of the units ended up serving escort duty because of their significant antisubmarine capability, while other served as motor torpedo boat tenders.

None were lost in combat.

Units in the Pacific

All units completed at Houghton unless otherwise indicated

Casco completed 1941-12-27
Mackinac completed 1942-1-24 (Bremerton)      
Rockaway completed 1943-1-6 (Seattle)
San Pablo completed 1943-3-15 (Seattle)
Chincoteague       completed 1943-4-12
Coos Bay completed 1943-5-15
Half Moon completed 1943-6-15
Oyster Bay
completed 1943-11-17
Completed as motor torpedo boat tender
Onslow completed 1943-12-22
Unimak completed 1943-12-31 (Seattle)
Orca completed 1944-1-23
Rehoboth completed 1944-2-23
San Carlos completed 1944-3-21
Yakutat completed 1944-3-31 (Seattle)
Shelikof completed 1944-4-17
Wachapreague     
completed 1944-5-17
Completed as motor torpedo boat tender
Willoughby
completed 1944-6-18
Completed as motor torpedo boat tender
Bering Strait completed 1944-7-19
Barataria completed 1944-8-13
Suisun completed 1944-9-13
Castle Rock completed 1944-10-8
Cook Inlet completed 1944-11-5
Corson completed 1944-12-3
Biscayne arrived 1944-12-25
Dunsbury Bay completed 1944-12-31
Gardiners Bay       completed 1945-2-11
Floyds Bay completed 1945-3-28


References

DANFS

Gogin (2010; accessed 2012-12-9)

NavSource.org (accessed 2007-5-1)

Worth (2001)



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