Design and Construction
Briand's O'Day 39 carries a sleek, low-profile trunk cabin that reads as deliberately European beside the taller trunk cabins of domestic contemporaries, and the wide cambered decks were laid out for easy movement fore and aft. Beneath the skin, O'Day fitted what the builder described as an incredibly strong unified grid pan and integrated rig support system — a technique developed by O'Day and rarely found even on the most expensive custom auxiliaries anchor. That internal structure is the backbone of a 18,000-pound hull carrying 6,600 pounds of ballast and a 12-foot-6-inch beam, and the boat was offered in both deep-keel and shoal-draft models with a maximum draft of 6 feet 4 inches. The hulls themselves were solid fiberglass built in Fall River, a construction lineage consistent with O'Day's house methods of the era.
Rig and Handling
The 39 wears a tall masthead sloop rig on a double-spreader layout, with a 50-foot-2-inch I dimension and a 44-foot-3-inch P, carrying a 323-square-foot mainsail and a 337-square-foot jib as standard. The sail plan is sized to balance speed and comfort for coastal cruising or light racing rather than all-out offshore pursuit, and the 667 square feet of working sail area sits reasonably against the displacement for a boat of this weight. A 150-percent genoa stretches the foretriangle to a 522-square-foot kite, while an asymmetric spinnaker of 861 square feet and a full 1,065-square-foot symmetric spinnaker were cataloged for downwind work. Pedestal steering and the immense cockpit put the helm and crew in a coherent working relationship for a design that was as much about livable volume as race-course pace.
Accommodations
Inside, the O'Day 39 is organized as four separate cabins with berths for up to 10 people and two heads with showers, a layout that leans hard into the volume the beam and low trunk provide. The European styling is not merely cosmetic: the sleek cabin trunk buys interior headroom and a social footprint that a traditional American trunk would not. A complete nav center anchors the saloon, and the boat was specified with cavernous storage capacity that suits extended cruising or a full crew. The immense cockpit doubles as outdoor living space, while a lockable life raft compartment and a lockable foredeck anchor well speak to a builder thinking about stowage discipline and security at anchor and at sea.
Known Issues
The O'Day 39 carries no structural defect campaign, osmotic-blister bulletin, or systemic rig-failure advisory in the material drawn from the builder's own specification and the period editorial survey. The known-service history instead turns on the boat's licensed origins and short production arc: with only about 120 hulls built from 1982 to 1985 and a 1986 redesign into the O'Day 40, the 39 is a narrow-generation design whose foibles are those of a single three-year run rather than a long-evolving type. Buyers and owners should weigh that brevity against parts commonality — the 39 shares its Jeanneau Sun Fizz 40 lineage but predates the sugar-scoop O'Day 40, so later-O'Day upgrade paths do not map cleanly onto it.
Refits and Ownership
Ownership of the 39 sits inside a corporate story that touches the boat directly: Bangor Punta owned both O'Day and Jeanneau when the 39 was built, and Lear Siegler absorbed Bangor Punta in 1984, midway through the 39's production. The 1986 redesign into the O'Day 40 by C. Raymond Hunt Associates — adding a sugar-scoop transom for better cockpit access and a swim platform — marks the end of the 39 as a current design and the start of its successor generation. For an owner, that means the 39 is a fixed target: a Briand-licensed hull with a known grid-pan structure, a double-spreader masthead rig, and a four-cabin interior that does not evolve into later O'Day practice.
The Verdict
The O'Day 39 is a compact, well-structured cruiser-racer that packaged a French-designed, license-built hull with an O'Day-developed unified grid pan rarely seen even on custom auxiliaries. Its four-cabin, ten-berth interior and low European trunk make it a roomy coastal and light-racing platform, while the short 1982–1985 run and quick successor redesign argue for careful attention to generation-specific spares and rigging.
Pros
- Unified grid pan and integrated rig support, a technique O'Day developed and seldom used elsewhere
- Philippe Briand design with low-profile European trunk cabin and wide cambered decks
- Four separate cabins, two heads with showers, berths for ten, cavernous storage
- Tall masthead sloop with double-spreader rig balancing speed and comfort
Cons
- Only about 120 built over a three-year run; narrow parts commonality with later O'Day 40
- Built under license from Jeanneau Sun Fizz 40, so some references and spares follow European parent









