12.7cm Twin Gun Mount Model D Kai 3/Bonuses

Ship	Extra Requirement								Note
Yuugumo-class		+2						+1
Akigumo Kai Ni Yuugumo-class Kai Ni		+3		+3				+1	Base Bonus is a flat one-time bonus. Becomes +5 flat with a 2nd copy.
	+ LOS Radar	+2	+4					+2
	+ AIR Radar	+1		+5				+2
	+ Okinami Kai Ni, Akigumo Kai Ni	+1		+2				+1
	+ Akigumo Kai Ni + Skilled Lookouts	+2		+2				+3
	+ Akigumo Kai Ni + Searchlight	+3						-3
Shimakaze Kai		+2		+3				+1	Base Bonus is a flat one-time bonus. Becomes +5 flat with a 2nd copy.
	+ LOS Radar	+2	+4					+2
	+ AIR Radar	+1		+5				+2
Kagerou-class		+1						+1
Kagerou-class Kai Ni (excluding Tan YangTan Yang)	x1 Gun	+2		+2				+1
	x2 Guns	+3		+4				+1