{
  "title": "Grecian",
  "era": "Photograph-guided working steel bulk freighter, 1891–1906",
  "version": "1.1",
  "modelStatus": "Interpretive reconstruction; no original lines plan recovered",
  "detailLevel": "full",
  "units": "metres",
  "axes": {
    "up": "+Y",
    "bow": "-X",
    "starboard": "+Z"
  },
  "historicalDimensions": {
    "lengthFeet": 296,
    "beamFeet": 40,
    "depthOfHoldFeet": 21,
    "beamInferred": false,
    "holdDepthUnknown": false,
    "dimensionsSourceQuality": "Selected documentary baseline; see vessel research notes for length and beam conflicts"
  },
  "geometryReference": {
    "hullBowX": -45.110400000000006,
    "hullSternX": 45.110400000000006,
    "deckY": 7.4,
    "waterlineY": 5.4,
    "waterlineIsInferred": true
  },
  "bounds": {
    "min": [
      -45.170629212570375,
      0.0050000000000000044,
      -6.181000000000001
    ],
    "max": [
      45.18309460604015,
      32.405002989191715,
      6.181000000000001
    ]
  },
  "triangleCount": 60382,
  "trianglesByGroup": {
    "hull": 12668,
    "bulwarks": 10196,
    "fittings": 3108,
    "deck": 10070,
    "propulsion": 208,
    "anchors": 636,
    "forecastle": 544,
    "pilothouse": 1760,
    "ventilators": 592,
    "jackstaff": 32,
    "anchor_davit": 32,
    "deckhouses": 1944,
    "machinery": 392,
    "standing_rigging": 1152,
    "cargo_hatches": 420,
    "hatch_covers": 1260,
    "spars": 1928,
    "ship_boat": 1816,
    "plating_fasteners": 8280,
    "plating": 3344
  },
  "drawCalls": 57,
  "mastCount": 2,
  "supportsSails": false,
  "visibilityNodes": {
    "hatches": "hatch_covers"
  },
  "deployedSailCount": 0,
  "inferredFeatures": [
    "Exact panel joints, paint pigments within the photographed black-and-white pattern, window dimensions, hidden deck surfaces, hatch count/spacing and fittings are interpreted.",
    "Forward sheer and wheelhouse corners are approximations to a perspective photograph, not surveyed hull offsets."
  ],
  "configurationCaveat": "Own photograph guides black hull and broad white sheer band, raised forecastle, compact rounded wheelhouse, two masts and aft funnel. Underwater lines, hatch layout and small fittings are inferred. Wreck depth is reported as 100 or 106 ft; this is not a measured restoration plan.",
  "revisedDate": "2026-09-08",
  "revisionNote": "Corrected the September 2026 audit findings and distinguished documentary evidence, interpretation and unresolved conflicts.",
  "documentedFeatures": [
    "NOAA records Grecian as a 296×40 ft steel freighter built in 1891. [NOAA](https://thunderbay.noaa.gov/shipwrecks/grecian.html).",
    "The named historical photograph shows a black hull, broad white sheer strake widening toward the bow, raised forecastle break, compact rounded-corner wheelhouse and wraparound open bridge, anchor davit, slender forward pipes, bow jackstaff, two masts and one aft funnel. [Historical photograph](https://commons.wikimedia.org/wiki/File:Grecian_ship_2.jpg).",
    "Shipwreck Explorers lists 21 ft depth of hold, 2, 348 gross/1, 875 net tons and US86136. It describes the June 7, 1906 grounding near De Tour, refloating and tow by Sir Henry Bessemer, followed by sinking off Thunder Bay Island June 15; the crew escaped in boats. Norman was a sister ship. [Shipwreck Explorers](https://www.shipwreckexplorers.com/grecian/)."
  ],
  "sources": [
    {
      "title": "NOAA Grecian",
      "url": "https://thunderbay.noaa.gov/shipwrecks/grecian.html",
      "use": "See the cited evidence and uncertainty sections in the research notes."
    },
    {
      "title": "Own-vessel historical photograph",
      "url": "https://commons.wikimedia.org/wiki/File:Grecian_ship_2.jpg",
      "use": "See the cited evidence and uncertainty sections in the research notes."
    },
    {
      "title": "Shipwreck Explorers history and dimensions",
      "url": "https://www.shipwreckexplorers.com/grecian/",
      "use": "See the cited evidence and uncertainty sections in the research notes."
    }
  ]
}