EC12 East Coast 12-Metre model yacht (AMYA 2014 class specifications) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/ec12-east-coast-12-metre-class-rules/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (AMYA)
Catalog version: 2026-10-20

Overall (mm): length 1092, width 283, height 1829
- The EC12 is a moulded one-design model of a 12 Metre America's Cup yacht. Numbers are the AMYA 2014 class specifications.
- The beam-station table lets the deck plan be rebuilt; overall hull length is fixed by the mould and only given as 'approx. 58 in' by AMYA.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.

dimension  value
Waterline length  42–43 in (1067–1092 mm)
Draft  7.875 in (200 mm) max
Max beam (35 in station)  11.14 in (283 mm)
Beam stations 5…55 in  2.48, 4.57, 6.46, 8.15, 9.65, 10.75, 11.14, 10.75, 9.61, 7.72, 5.24 in (±0.25 in)
Keel width  2.1 in (53.34 mm); 2.15 in (54.61 mm) after lead
Hull minimum weight  2.2 lb (1 kg) incl. deck flange
Rudder  5 in (125 mm) high × 3.5 in (90 mm) wide max
Mast height  72 in (1829 mm) max above deck incl. crane
Forestay height  59 in (1500 mm) max above deck
Overall length  set by class mould (AMYA lists approx. 58 in)

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- AMYA: Class Specifications for the East Coast 12-Meter Model Yacht (2014) — web — Publisher's page; dimensions are facts — https://www.ussailing.org/wp-content/uploads/2020/11/EC12-Class-Rules-Oct2014.pdf

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/ec12-east-coast-12-metre-class-rules/index.json
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