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Mason 63
Designer: Mason  ·  Builder: Ta Shing Yacht Buildling  ·  First built: 1988
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About the Mason 63

With extremely limited specifications available, the Mason 63 represents one of the more elusive entries in the luxury sailing yacht category. Based on its designation as a 63-foot vessel, this sailboat likely falls into the serious bluewater cruising segment, where boats of this size typically excel at long-distance offshore passages while offering substantial living accommodations. Mason Yacht Corporation has historically focused on building robust, seaworthy vessels designed for extended cruising rather than racing. If the Mason 63 follows this tradition, potential buyers can expect a heavily built boat with conservative design principles prioritizing safety and comfort over pure performance. The substantial length suggests generous interior volume with multiple staterooms and full cruising amenities. Given the limited documentation available, researching this particular model presents challenges for prospective buyers. The scarcity of detailed specifications may indicate either limited production numbers or a boat that predates comprehensive digital record-keeping. Serious buyers should conduct thorough inspections and seek out owner networks or marine surveyors familiar with Mason's construction methods and design philosophy. The reputation of any 63-foot cruising yacht ultimately depends on build quality and how well the boat has been maintained throughout its service life.

Core Dimensions
LOA (Length Overall) 63.58 ft / 19.38 m
LWL (Waterline Length) 46.67 ft / 14.23 m
Beam 16.50 ft / 5.03 m
Max Draft 7.00 ft / 2.13 m
Displacement 64,400.00 lb / 29,211 kg
Ballast 15,000.00 lb / 6,804 kg
Sail Area (Reported) 1,592.00 ft² / 147.90 m²
Design & Construction
Hull Type Long Keel
Rigging Type Staysail Ketch
Construction FG
Designer Mason
Builder Ta Shing Yacht Buildling
First Built 1988
Owner Reviews

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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
168
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
15.93
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
46.01
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
1.65
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 9.15
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
1.5
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 2.0
Rig Dimensions
I (Foretriangle Height) 64.0
J (Foretriangle Base) 21.17
P (Mainsail Luff) 55.67
E (Mainsail Foot) 21.33
SA Fore 677.44
SA Main 593.72
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