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Database Information Shipwreck Oliver Mowat

Basic Information

Name(s)  Oliver Mowat
Registry  CA
Official Number 92584
Vessel Type Schooner
Year Built 1873
Year Sank
Hull Material Wood
Engines None


Length 131.2 ft
Width 25.9 ft
Depth 10.8 ft

Vessel History

Complete Historic Information Linkhttps://greatlakes.bgsu.edu/item/438212 

Wreck Site Information

Lake Ontario
State or Province Ontario
121 ft.
GPS Coordinates Undisclosed for now
Site Description The three-masted schooner OLIVER MOWAT (Canadian No. 92584) was considered the crown jewel of the Millhaven shipyards when she was launched on July 16th, 1873. Named after Sir Oliver Mowat, one of the Fathers of Confederation her career would span 48 years until her collision on September 1st, 1921 with the steamer KEYWEST. At that time there were only 400 sailing ships left registered on the Great Lakes, so she represents the last of the three-masted schooner era. Since her loss in 1921, she has been considered the holy grail for shipwreck hunters of the region. After 25 years of searching, her location was discovered on June 12th, 1996 by Barbara Carson, Tim Legate, Spencer Shoniker and the Late Rick Neilson along with their friends Susan Donnelly and David Teeple. The location was kept secret to protect the numerous artifacts ranging from twin anchors at the bow to the ship’s wheel aft. On deck, everything from oil lanterns to crockery could be seen. Over the years only a select few have been able to dive this time capsule of history. In the summer of 2023, Kayla Martin led an expedition funded by the Royal Canadian Geographical Society to document the wreck. The team operated under a Marine Archaeology License from the Ministry of Citizenship and Multiculturalism and with the support of Save Ontario Shipwrecks and the Ontario Marine Heritage Committee. Today the wreck sits upright on the bottom in 121 feet of water.  The bowsprit is intact with the port anchor in place on deck and the starboard anchor hanging from its cathead. The ship’s wheel is upright and on deck can be seen the windless, donkey boiler, steam powered winch along with pulleys, deadeyes and a fife rail with belaying pins. Late in the 2023 season Kayla and her team working with the Canadian Coast Guard (CCG) placed a CCG approved mooring block at the site. In the spring of 2024, Kayla will deploy a CCG approved buoy at the site so the diving public can access the wreck while protecting the site from anchor damage. 

Model Information


Photographer(s) Kayla Martin and Durrell Martin
Year Captured September 2023
Time it took to capture 22 min

Modeler Information

Modeler Kayla Martin
Date Completed 3-2024
Hours of input to complete 81 hrs

Technical Information


Camera – Panasonic GH5 in Aquatica Housing with Dome Port, GoPro10 Linear Lens
Lens –  8mm Fisheye, 
Multi-Camera Rig – No
Camera Propulsion – Swimming Diver, and DPV
Video or Stills – 4k Video, GoPro 4k Video
Number of images Submitted – 9,485
Image resolution (pixels) 4096 x 2160, 4096 x 2160 
Lighting – Artificial
Number of lights – 2
Light Output Lumens 30,000, 4 x 15,000

Model Information

Software Used Agisoft Metashape Professional Version – 2.1.1 Build 17803
Data Format .jpg 
Number of Source Images used – 9,485
Are these images original or adjusted; Adjusted
If Scale Bars, calibration length – 3.0 ft
Portion of the site covered: Complete

Publishing Restrictions

Licensing Usage Restrictions CC BY-ND
Attributed to: Kayla Martin of Save Ontario Shipwrecks and Ontario Marine Heritage Committee and 3DShipwrecks.org 

Resource Data in Database

Model  Yes
Source Images 
Source CC .jpg
Number of Still Images 
Video Clip None
Processing Report Yes
Camera Calibration .xml Yes