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Oday 15 1
Designer: Andrew Kostanecki  ·  Builder: O'day Corp.  ·  First built: 1970
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About the Oday 15 1

Despite limited documentation, this compact O'Day sailboat represents the builder's commitment to accessible sailing during their productive years of fiberglass boat manufacturing. The O'Day 15 falls into the small daysailer category, designed primarily for recreational sailing in protected waters such as lakes, harbors, and near-shore coastal areas. Built during O'Day's era of producing affordable recreational sailboats, this model would have featured the company's characteristic approach to combining seaworthiness with user-friendly handling. Small boats in this size range typically excel at introducing new sailors to the sport while providing experienced sailors with an easily managed platform for relaxed day sailing. The boat's modest dimensions make it well-suited for single-handed sailing or sailing with a small crew, likely featuring a simple rig that prioritizes ease of handling over performance. Storage and transportation would be relatively straightforward compared to larger vessels, making it an attractive option for sailors with limited dock space or those preferring to trailer their boats. While specific details about this particular model remain scarce, O'Day's general reputation for building solid, practical boats suggests the 15 would deliver reliable performance for its intended recreational sailing applications.

Core Dimensions
LOA (Length Overall) 14.92 ft / 4.55 m
Beam 5.82 ft / 1.77 m
Max Draft 2.00 ft / 0.61 m
Min Draft 0.58 ft / 0.18 m
Displacement 350.00 lb / 159 kg
Sail Area (Reported) 135.00 ft² / 12.54 m²
Design & Construction
Hull Type Centerboard Dinghy
Rigging Type Fractional Sloop
Construction FG
Designer Andrew Kostanecki
Builder O'Day Corp.
First Built 1970
Last Built 1974
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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
43.54
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
3.31
How It Compares

vs. Albacore, Mutineer 15, Precision 15 Cb

This boat Similar boats
Dimensions
LOA
Oday 15 1 ★
14.9 ft
Albacore
15.0 ft
Mutineer 15
15.0 ft
Precision 15 Cb
15.0 ft
LWL
Oday 15 1 ★
Albacore
14.8 ft
Mutineer 15
14.1 ft
Precision 15 Cb
13.8 ft
Beam
Oday 15 1 ★
5.8 ft
Albacore
5.1 ft
Mutineer 15
6.0 ft
Precision 15 Cb
7.0 ft
Displacement
Oday 15 1 ★
350 lbs
Albacore
240 lbs
Mutineer 15
410 lbs
Precision 15 Cb
390 lbs
Sail Area
Oday 15 1 ★
135 sq ft
Albacore
Mutineer 15
150 sq ft
Precision 15 Cb
130 sq ft
Performance
SA / Displacement (higher = more powerful)
Oday 15 1 ★
43.5
Albacore
Mutineer 15
43.5
Precision 15 Cb
39.0
Comfort Ratio (higher = more comfortable offshore)
Oday 15 1 ★
Albacore
Mutineer 15
4.1
Precision 15 Cb
3.2
Capsize Screening (lower = safer)
Oday 15 1 ★
3.31
Albacore
Mutineer 15
3.23
Precision 15 Cb
3.83
Hull Speed
Oday 15 1 ★
Albacore
Mutineer 15
5.0 kts
Precision 15 Cb
5.0 kts
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