{
  "id": "sunseeker_76",
  "name": "Sunseeker 76 Yacht",
  "type": "yacht_motor",
  "subtype": "planing",
  "length_overall_m": 23.45,
  "beam_max_m": 5.65,
  "draft_m": 1.85,
  "displacement_kg": 55000,
  "description": "Yate motor planeo británico de 23.4 m, casco semi-V profundo, 3 cubiertas (lower, main, flybridge), 4 cabinas. Sala de máquinas central con 2 motores principales en V, 1-2 gensets, sistemas de A/A y refrigeración. Tope típico ~32 nudos.",
  "data_source": "seed_estimate",
  "decks": [
    {
      "id": "lower",
      "name": "Cubierta inferior (Lower Deck)",
      "z_bl_bottom": 0.5,
      "z_bl_top": 2.6,
      "polygon_xy": []
    },
    {
      "id": "main",
      "name": "Cubierta principal (Main Deck)",
      "z_bl_bottom": 2.6,
      "z_bl_top": 4.8,
      "polygon_xy": []
    },
    {
      "id": "flybridge",
      "name": "Flybridge",
      "z_bl_bottom": 4.8,
      "z_bl_top": 6.4,
      "polygon_xy": []
    }
  ],
  "bulkheads": [
    { "id": "collision", "name": "Mamparo de colisión", "x_pp": 21.0, "description": "Mamparo de colisión (proa)" },
    { "id": "er_fwd", "name": "Mamparo proa sala de máquinas", "x_pp": 7.0, "description": "" },
    { "id": "er_aft", "name": "Mamparo popa sala de máquinas", "x_pp": 3.5, "description": "" }
  ]
}