Unidentified pirate sloop (1793, Chesapeake Bay)
Sloop · Unknown · Lost 1793, exact date not established · Chesapeake Bay
In 1793, the Revenue cutter Diligence ran an unnamed pirate vessel ashore in the Chesapeake Bay, in what the U.S. Coast Guard records as its first anti-piracy action.
Become Captain of Record

The Vessel and Her Loss
In 1793, the U.S. Revenue-Marine cutter Diligence chased and ran ashore a pirate vessel operating in the Chesapeake Bay. The event is recorded by the U.S. Coast Guard's own historical timeline as the service's first documented anti-piracy action, though the pirate vessel's name and ultimate fate beyond the grounding are not recorded in available sources.
Vessel
- Not established
- Not established
- Not established
- Wood
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- Not established
- Sail
- Not established
Loss
- 1793, exact date not established
- Grounding
- Chesapeake Bay
- Chesapeake Bay
- Not established
- Not established
- Not established
- Not established
- Not established
The Wreck Today
- Not established
- Not established
- Not established
- Not established
- Not established
Position
- Not established
- Position not established
- Chesapeake Bay
Evidence
Overall confidence: Sparsely documented (30/100)
The vessel's name, build, exact location, and final disposition after grounding are not established in the sources reviewed; only the bare fact of the encounter is recorded.
U.S. Coast Guard Historian's Office, Complete Time Line 1700-1800
Sole record of the 1793 grounding as the Revenue Cutter Service's first anti-piracy action.
























































