Omaha-class cruiser

USS Concord in 1943
Class overview
NameOmaha class
Operators
Preceded byChester class
Succeeded byBrooklyn class
Built1918–1925
In commission1923–1949
Planned10
Completed10
Scrapped10
General characteristics
TypeLight cruiser
Displacement7,050 long tons (7,163 t) standard, 9,508 long tons (9,661 t) full
Length
  • 550 ft (170 m) wl
  • 555 ft 6 in (169.32 m) oa
Beam55 ft 4 in (16.87 m)
Draft20 ft 0 in (6.10 m)
Installed power
Propulsion
Speed35 kn (65 km/h; 40 mph)
Endurance9,000 nmi (17,000 km; 10,000 mi) at 10 kn (19 km/h; 12 mph)
Boats & landing
craft carried
2 × lifeboats
Complement29 officers 429 enlisted (peace time)
Sensors and
processing systems
SK-1 air-search radar
Armament
Armor
  • Belt: 3 in (76 mm)
  • Deck: 1+12 in (38 mm)
  • Conning Tower: 1+12 in
  • Bulkheads: 1+12-3 in
Aircraft carried2 × floatplanes
Aviation facilities2 × aircraft catapults

The Omaha-class cruisers were a class of light cruisers built for the United States Navy. They were the oldest class of cruiser still in active service with the Navy at the outbreak of World War II, being an immediate post-World War I design.