Office of Cutter Forces

Aircraft, Boats, and Cutters: Cutters

240-foot Seagoing Buoy Tender/ Icebreaker (WLBB-30)

CGC MACKINAW (WLBB 30) was commissioned June 10, 2006,  assuming the primary duties of icebreaking and Aids to Navigation from CGC MACKINAW (WAGB 83), decommissioned the same day.  MACKINAW is homeported in Cheboygan, Michigan.


240 ft
58 ft
3350 tons
Power Plant:
3 Caterpillar 3612
Turbocharged V-12 engines
June 10, 2006


240-foot WLBBs in Service:

CGC Mackinaw (WLBB-30)
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Last Modified 4/11/2014