SEATTLE CATAMARAN FIELD GUIDE
Two Days to Twin-Screw Mastery: Converting to Power Catamarans from Shilshole Bay
A two-consecutive-day, 9am–5pm program (16 hours total) teaching operation of a 37' twin‑engine power catamaran with bow thrusters.
Two Days to Twin-Screw Mastery: Converting to Power Catamarans from Shilshole Bay.
This compact conversion course takes experienced single‑inboard skippers into the distinctive handling world of twin inboard engines and bow thrusters aboard a 37' power catamaran. Over classroom sessions and on‑the‑water practice aboard a Fountaine Pajot MY4.S, instructors guide students through maneuvers, propulsion management and situational awareness specific to twin‑screw powercat operation.
Highlights
Course Highlights
37' Fountaine Pajot MY4.S — the classroom at sea
Training takes place aboard a 37' Fountaine Pajot MY4.S, giving students direct experience with the layout, systems and handling characteristics of a modern power catamaran.
Twin engines, bow thrusters and advanced shiphandling
The course focuses on responsibly operating a twin‑engine power catamaran and using bow thrusters, building on prior single‑inboard experience to develop confident command in a range of routine cruising scenarios.
Intensive, hands‑on two‑day conversion
Delivered as two consecutive days of classroom and on‑water training totaling 16 hours, the course compresses core knowledge and practical drills into a focused learning block.
What the day feels like
What the two days feel like
Expect back‑to‑back full days combining shore or onboard instruction with concentrated on‑water practice aboard the training catamaran. Instructors guide students through engine coordination, close‑quarters work with bow thrusters, and seamanship refinements aimed at safe, confident cruising under twin‑screw handling regimes.
THE VESSEL
37' Fountaine Pajot MY4.S — the classroom at sea
Training takes place aboard a 37' Fountaine Pajot MY4.S, giving students direct experience with the layout, systems and handling characteristics of a modern power catamaran.
THE SKILLSET
Twin engines, bow thrusters and advanced shiphandling
The course focuses on responsibly operating a twin‑engine power catamaran and using bow thrusters, building on prior single‑inboard experience to develop confident command in a range of routine cruising scenarios.
THE FORMAT
Intensive, hands‑on two‑day conversion
Delivered as two consecutive days of classroom and on‑water training totaling 16 hours, the course compresses core knowledge and practical drills into a focused learning block.
Suitability
Who it's for
Who this conversion suits — and who should wait
Practical planner
Details to review before reserving
The verified materials do not list a specific personal gear list; the course comprises classroom and on‑the‑water training aboard the training vessel—contact Windworks Sailing & Powerboating for recommended attire and gear.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
How long is the Twin Screw Power Catamaran Conversion?
Two consecutive days from 9AM–5PM on the first bookable date for a total of 16 hours.
Where do participants meet for the course?
Shilshole Bay Marina, Seattle, WA.
What vessel is used for training?
Training is conducted aboard a Fountaine Pajot MY4.S 37' power catamaran.
Are there prerequisites to enroll?
Yes — students must have completed US Powerboating Basic Powerboat Cruising, the Powerboat Conversion, or have equivalent prior inboard single‑screw experience.
Is tipping expected for instructors?
Tipping your instructor is customary within the boating industry and is greatly valued and appreciated.
What sea or wind conditions does the course cover?
Completion requires confident and safe command in light to moderate conditions; a limit of up to 20 knots is noted under force majeure, and stronger conditions are acceptable only if you can safely control the boat.