1986 Ericson 381 - "Momentum"

Performance Cruiser | Bruce King Design | Ready to Sail

"Momentum" is a beautifully maintained 1986 Ericson 381, designed by the legendary Bruce King. Known for their blend of performance and comfort, the 381 is a true racer/cruiser with a PHRF of ~100 and a Comfort Ratio around 25-ideal for those who love both speed and livability.

This masthead sloop features a performance fin keel and spade rudder, offering excellent handling under sail and at the helm. The cockpit is well laid out for easy short-handed sailing and comfortably accommodates the crew for longer passages.

Specifications

• LOA: 37.6 ft | Beam: 12 ft | Draft: 6.5 ft

• Displacement: 14,500 lbs | Ballast: 6,300 lbs

• Fuel: 56 gal | Water: 85 gal | Waste: 21 gal

Sails & Deck Equipment

• Mainsail on Flying Dutchman system

• 130% Genoa on Harken furling system

• Full dodger and new (2022) bimini for all-weather comfort

• Folding swim ladder on the stern

• Deck in fair to good condition, with all fittings and hardware fully functional

Interior

• Cabinetry and woodwork in overall good condition

• Some minor floorboard wood degradation near the head

• All interior cushions replaced in 2021 (some minor cleanable stains)

• 110V microwave oven installed

• LPG system (tank, lines, and fittings) in place for future stove/oven installation

• Jabsco manual head with ~20 gal holding tank (pump replaced, macerator rebuilt in 2021)

• Pressurized water system plus foot pumps

• Hot water heater runs on shore power or engine heat exchanger (electric heater currently in use)

Engine & Mechanical

• Perkins 4.107M 45HP diesel - excellent running condition

• Starts easily, even after sitting for months; minimal blow-by

• Alternator rebuilt (2025) | Starter motor replaced (2024) | Alternator rebuilt (2021)

• 3 new 12V batteries (2021) and updated wiring throughout

• New AC/DC instrument panel (2022)

Electronics & Systems

• CPT Autopilot - fully operational

• Signet Marine Instruments:

  • SL254 Wind Point/Speed (new 2021)

  • SL267A Knotlog (refurbished 2023, new sensor 2024)

  • SL172 Depth Sounder (new 2023; new through-hull sensor ready for next haul-out)

• S-L Seawolf 520 Windlass - overhauled (2021)

• Raytheon Radar installed (monitor not included)

• New running, anchor, and deck lights

Maintenance & Upgrades

• Bottom repainted (2022) - no blisters observed

• Keel bolts re-torqued (2021) - no hull/keel separation

• Bottom cleaned and inspected monthly, zincs replaced as needed

To-Do List / Minor Projects

• Install new depth sounder sensor at next haul-out (included)

• Check knot log sensor

• Repair minor leak in engine coolant line to water heater

• Replace head door handle

• Inspect/repair cabin header zippers

Summary

"Momentum" is a solid, well-equipped Ericson 381-an ideal choice for sailors looking for a proven performance cruiser that's been responsibly maintained and regularly upgraded. With only a few small projects remaining, this boat is cruise-ready and awaiting her next adventure.