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Voyages of Discovery

Our Mission

Welcome to the Endeavour.  

The Endeavour is a certified research vessel, owned and operated by us, Bill and Patsy Urschel.  We make this good little ship (and ourselves, a licensed captain and crew) available to small teams of scientists and other researchers for short expeditions of up to two weeks.  


Our range of operations is the west coast of North America, from the Mexican border to the Arctic.  Past expeditions have included underwater and island archeology and searches for historical wrecks.  

For the 2021 summer season, May through October, we will be operating in Southeast Alaska and the Gulf of Alaska up to the Kenai Peninsula.


Reach out if you have a project.  In the meantime, you might take a look at Patsy's blog for more about us and the boat and its capabilities. 

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The Endeavour

The Endeavour was built in 1954 for the U.S. Army. She is 72 feet long with a draft of 7 feet and a beam of 17 feet. The hull is welded Corten steel. She weighs 65 tons dry with a full displacement of 100 tons and is driven by a single 239 horsepower Detroit Diesel engine and a 48” four-bladed propeller.  She cruises at 8.5 knots at 1300 RPM burning 4.92 gallons per hour giving her a range of 3,000 nautical miles. 

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The boat has berths for nine people, two heads with showers, a fresh water maker, on-deck hot water washdown, and a full-sized washer-dryer. 

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The walk-around engine room includes the main engine, two diesel generators, a tool bench, welder, and air compressor. We carry up to four kayaks on the foredeck and a 13.5' jet boat on the top deck.


The ground tackle is a 250-pound Navy stockless anchor with 600 feet of 1/2" chain, backed up by a second 100-pound Navy stockless. For open-ocean work, the boat has paravane stabilizers to reduce rolling in adverse seas and a parachute anchor for over-nighting offshore. The horn is an air-powered Leslie SuperTyfon, designed for locomotives.

Tight access to sea cave archeology dig.

Electronics include a complement of GPS, chart plotters, radios, radar, sonar, autopilot, and a ship's computer that monitors all tanks, temperatures, batteries, and electrical use.


When needed, we tow side-scan sonars, sub-bottom profilers, magnetometers, and other equipment. 

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True to her mission as a research vessel, we named the Endeavour after the ship Captain James Cook took on his first voyage of discovery in 1768.

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Endeavour Voyages

PO Box 1033

Petersburg, Alaska 99833