- Home Port: Blidö - Stämmarsund (Norrtälje)
- Year of construction: 1886
- Type: Sand Carrier with one mast (gaff rig)
- Varf: Built at Svartlöga
- Material: Pine on oak
- L.O.A: 15,77 meter
- Width: 5,19 meter
- Depth: 1,7 meter
- Mast: 22 meter
- Beem: 15 meter
- Gaff: 7 meter
- Tonnage: 8 GRT, net 2 ton
- Deplacement: 15 ton
- Max load: 20 ton
- Sail area: 150 m² (Ocean-class mainsail 125sqm and jib 25sqm)
- Signal designation: SLJV
- Engine: TMD 30, ca 100 hk
- Cruising speed with engine: 8 knots
- Owner: The Association - Friends of Helmi. (Earlier owned by The National Maritime Museum)
- More: The Sand Carrier Helmi is listed as a Heritage Ship.
