Models of this class:

Information on this class has been compiled by Jeff Donahoo

Carrier Specifications

Standard Displacement: 12,500 tons
Complement: 1,015

Length: 658'-2"
Beam: 69'-7"
Draught: 20'-8" (mean)

Armament:
8-5"/40cal
48-25mm
27 aircraft
Flight Deck: 672'6"x 75'6"

Machinery: 2 shaft Kanpon turbines
Boilers: 4 Kanpon S.H.P.:
Oil: 3,060 tons
Radius: 7,500 miles @ 18 knots

Standard Displacement: 12,220 tons
Complement: 876

Length: 658'
Beam: 66'3"
Draught: 23'-8" (mean)

Armament:
10-8"/50cal
8-5"/40cal
10-25mm
8-24" torpedo tubes

Armor:
3.9" side
1 ½" deck

Machinery: 4 shaft Kanpon turbines
Boilers: 8 Kanpon RO-GO
S.H.P.: 152,000=35 knots
Oil: 2,163 tons
Radius: 6,300 miles @ 18 knots
Note: Essentially repeat Mogami class

Ships in Class:

Ibuki
Meaning: Mountain in Shiga Prefecture
Builder: Kure Kaigun Kosho
Ordered: #300 1941 Emergency Program
Laid Down: 4/24/42
Launched: 5/21/43
Completed: n/a
Fate: converted in to aircraft carrier
Fleet Assignments:
n/a
Wartime Commanders:
n/a
Service Notes:
7/43 construction stopped
8/25/43 decision made to convert to light aircraft carrier
12/19/43 towed to Sasebo to begin conversion
3/16/45 construction stopped again (80% complete)
8/15/45 surrendered at Sasebo
11/46 scrapped

Ikoma (?) or "Dai300 Go Kan"
Meaning: Mountain
Builder: Mitsubishi Zosenho, Nagasaki
Ordered: #301 1941 Emergency Program (Yard #882)
Laid Down: 6/1/42
Launched: n/a
Completed: n/a
Fate: cancelled
Fleet Assignments:
n/a
Wartime Commanders:
n/a
Service Notes:
6/30/42 cancelled . Place on slip taken by Carrier 5001
Note: The name Ikoma is conjecture by Fukui Shizuo and no name was ever
officially assigned. She was referred to as Dai300 Go Kan