Old/Escort Fortress

Info

Escort Fortress No.549 護衛要塞 Abyssal Class

Statistics
HP	66	Firepower	55
Armor	50	Torpedo	45
Evasion	5	AA	20
Aircraft	70	ASW	0
Speed	Fast	LOS	10
Range	Medium	Luck	1
Consumption
Fuel	no data	Ammo	no data
Build Time			Slots
unbuildable			3
Stock Equipment			Space
8inch Triple Cannon			0
Abyssal Fighter Mk.II			35
Abyssal Dive Bomber Mk.II			35
			-

Escort Fortress No.550, 551 護衛要塞 Abyssal Class

Statistics
HP	66	Firepower	55
Armor	50	Torpedo	45
Evasion	5	AA	20
Aircraft	70	ASW	0
Speed	Fast	LOS	10
Range	Medium	Luck	1
Consumption
Fuel	no data	Ammo	no data
Build Time			Slots
unbuildable			3
Stock Equipment			Space
8inch Triple Cannon			0
Abyssal Fighter Mk.II			35
Abyssal Torpedo Bomber Mk.II			35

The primary difference between the two varieties is the equipment used in the third slot. Not to be confused with Floating Fortress.