Wreck Report: Unknown Vessel (Record 4688)

Identification & Site Information

• Vessel Name: Unknown

• Vessel Type: Unknown

• Location: Lake Huron

• Coordinates:

• Latitude: 4401’00.00N

• Longitude: 8339’00.0W

• Depth: 0 feet (indicating proximity to the surface)

• Feature Type: Submerged, dangerous to surface navigation

• Geographical Position Quality: Low

• Survey Requirements: Full survey, including bothttps://shotlinediving.com/wp-content/uploads/52895851813_b64678c0f7_c.jpg drag investigation with a minimum radius of 0.5 nautical miles.

Vessel Type Description

The wreck associated with record number 4688 remains unidentified. No details about the vessel’s type, size, or function have been recorded. Its shallow depth near the water’s surface suggests a significant hazard to navigation. The lack of identification adds complexity and uncertainty, making it a notable concern for mariners.

History

The history of this wreck is unclear. It was charted using data of unknown origin and scaled from Chart 14863 at a scale of 1:120,000. The provided position, classified as “Low” quality, implies potential inaccuracy, further complicating safe navigation. The wreck’s presence has not been definitively confirmed, necessitating a comprehensive survey to assess its existence and the threat it poses.

Details of the wreck’s origin, purpose, or the circumstances of its sinking remain unknown, making this site an enduring mystery in Lake Huron’s maritime history.

Final Disposition

The wreck remains submerged and classified as dangerous to surface navigation. Due to the reported position’s inaccuracy, a full survey—including a bothttps://shotlinediving.com/wp-content/uploads/52895851813_b64678c0f7_c.jpg drag within a 0.5 nautical mile radius—is recommended. These findings will inform potential removal efforts or further marking.

Located By & Date

The wreck’s position was initially recorded and charted based on scaled historical information, though the exact source is unidentified. Survey assignment S-X927-HFP-87 has been designated to confirm the wreck’s location and condition.

NOTMARs & Advisories

The wreck is classified as dangerous to surface navigation. Mariners should exercise caution near the reported coordinates, noting the low accuracy of its position. Local Notice to Mariners (LNM) advisories may provide updates, and these should be consulted by mariners for safe passage.

Resources & Links

• Maritime History of the Great Lakes Database: Maritime History of the Great Lakes

• David Swayze Shipwreck File: David Swayze Shipwreck File

• Local Notice to Mariners (LNM) Archive: US Coast Guard LNM Archive

Conclusion

The unknown wreck described in record 4688 poses a significant navigational hazard in Lake Huron due to its shallow depth and uncertain position. Mariners navigating near the reported coordinates should exercise caution. A full survey is essential to confirm the wreck’s presence and ensure maritime safety in the area.

Keywords

• Unknown wreck

• Lake Huron hazard

• Submerged wreck

• Navigation danger

• Local Notice to Mariners

• Survey requirements

GPS Coordinates & Additional Info

• Reported Position: Latitude 4401’00.00N, Longitude 8339’00.0W

• Mariners should navigate with heightened caution and consult updated navigation advisories or conduct additional surveys to verify the wreck’s presence and assess its impact on surface navigation.