Vessel
- Eras
- Modern era
- Concepts
- maritimeshippinggovernancecommunity
Summary
The Mackinaw was identified in March and April 1962 Beaver Island reports as a Coast Guard icebreaker that delivered fuel to Beaver Harbor and encountered 27 inches of blue ice.
Evidence and limits
The local reports establish the named vessel and reported delivery, but not its official number, dimensions, builder, or full service history.
Sources
- Beaver Beacon, March 1962, “Snow Causes Problems.”Names Mackinaw as a Coast Guard icebreaker planned to bring 2,000 gallons of gasoline to Beaver Harbor on March 9, 1962. This source-bounded record supplies no official number, dimensions, builder, or verified arrival.
- Beaver Beacon, April 1962, “Coast Guard Ice Breaker Mackinaw.”Reports Mackinaw’s March 5 fuel delivery and 27-inch blue-ice measurement. The source supplies no official number, dimensions, builder, or registry.