Design and Construction
The 930 is a straightforward glass-reinforced plastic yacht, with a solid fiberglass hull and deck—no core, balsa, or experimental sandwich construction. Polymarin paired the fin keel with a spade rudder mounted behind it. The simple solid-laminate construction is also an advantage at refit time: there’s no core to rot and no encapsulated ballast to trap moisture.
The boat carries 3,858 pounds of lead ballast, giving a ballast ratio of roughly 41 percent. Her length-to-beam ratio of 3.17 describes a hull of moderate beam rather than the broader proportions of a modern cruiser. Wetted surface below the waterline is about 279 square feet, consistent with a fin-keeled 30-footer of her era.
A displacement-length ratio of 301 places the Pionier 930 among what one design summary calls “heavy cruisers.” In practical terms, she carries more weight for her waterline than a light-displacement racer and is intended to shoulder through a seaway rather than skim over it.
Rig and Handling
The masthead sloop rig has a reported sail area of 553 square feet. A sail-area-to-displacement ratio of 19.76 makes her moderately powered for her weight: enough canvas to drive the hull toward its theoretical displacement speed of about 6.6 knots without being overcanvased.
The capsize screening value is 1.82. A review on yachtdatabase.com uses that figure to suggest she would be admissible by that formula alone to offshore events.
Her Motion Comfort Ratio is 27.4, while the immersion rate is about 809 pounds per inch. For an experienced reader, those figures suggest a boat that settles into her lines under load and has a measured, settled motion rather than a skittish one. Depending on load, draft ranges from 5.58 to 5.88 feet, balancing shoal access against the grip of a proper fin keel.
Accommodations and Tankage
The principal dimensions are also reported as 30.5 feet LOA, with a 24-foot waterline and 9.6-foot beam. They give the Pionier 930 a compact but recognizable cruiser-scale footprint.
Tankage consists of 26 gallons of water and 19 gallons of diesel, provisioning suited to short coastal passages rather than long, independent voyaging.
Engine, Age, and Ownership
Auxiliary power comes from a single 10-horsepower Volvo Penta MD6A diesel. It’s a modest engine suited to a hull of this displacement when maneuvering in port or holding a charge against a foul tide.
Any surviving Pionier 930 now has decades of service behind it, given the 1976–1983 production period. Polymarin of the Netherlands built the model to van de Stadt’s drawings across those eight years. For owners planning structural work, the uncomplicated solid-GRP construction remains a practical advantage.
The Verdict
The Pionier 930 is a conventional, honestly built van de Stadt cruiser: solid fiberglass hull and deck, a fin-and-spade underbody, and a masthead rig sized for steady passage-making rather than speed records. Her numbers describe a heavy-displacement coastal cruiser with predictable comfort and enough draft for a substantial fin keel while remaining usable in ordinary marinas. For buyers weighing long-term structural risks, the absence of core in the hull and deck is a quiet strength.
Pros
- Solid fiberglass hull and deck, with no core to fail
- Ballast ratio near 41 percent on a 9,480-pound hull
- Draft of 5.6–5.9 feet keeps her within the limits of most marinas
- Van de Stadt design built from 1976 through 1983
Cons
- The 10-horsepower auxiliary is minimal by modern standards










