Mason 63 Ketch
Description
The Mason 63 Ketch (also known as the Mason 63) is a luxurious, heavy-displacement bluewater cruiser designed by Al Mason (naval architect for Pacific Asian Enterprises/PAE) and built by Ta Shing Yacht Building Co. Ltd. (Taiwan) starting in 1988, with a very limited production run (likely fewer than 10–15 hulls due to the semi-custom, high-end nature of the yard and the era's market). It features exceptionally robust fiberglass construction (hand-laid to Lloyd's +100A1 specifications with full-length longitudinal stringers and bonded bulkheads), a long encapsulated keel for outstanding directional stability and grounding forgiveness, a powerful masthead ketch rig for balanced short-handed sail handling in heavy weather, and a spacious, opulent teak interior suited for extended offshore cruising or liveaboard use—prized for its seaworthiness, dry ride, reassuring stability in all conditions, and timeless lines that evoke a much larger classic yacht.
Construction Details
| Designer | Alvin Mason |
|---|---|
| Builder | Ta Shing Ltd. (Taiwan) |
| Length | 63.580 ft |
| LOA | 63.580 ft |
| LWL | 46.670 ft |
| Beam | 16.500 ft |
| Displacement | 64400 lb |
| Ballast | 15000 lb |
| Max Draft | 7.000 ft |
| Year Built | 1988 |
The standard boat dimensions
| i | 64 ft |
|---|---|
| j | 22.17 ft |
| p | 55.67 ft |
| e | 21.33 ft |
| p2 | 41 ft |
| e2 | 15.67 ft |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 64 ft | 22.17 ft | 55.67 ft | 21.33 ft | 41 ft | 15.67 ft | - | - |
Sails
Mason 63 Ketch - MAINSAIL
| Luff | * 55.67 ft - (16968 mm) |
|---|---|
| Foot | * 21.33 ft - (6501 mm) |
| Leech | * 58.74 ft - (17904 mm) |
| Tack Angle | * 88.01 ° |
| Diagonal | * 58.92 ft - (17959 mm) |
| Head (inches) | * 6 in - (152 mm) |
| Area | 593.15 ft² |
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Mason 63 Ketch - JIBSAIL
| Luff | * 54.18 ft - (16514 mm) |
|---|---|
| Foot | * 29.78 ft - (9077 mm) |
| Leech | * 46.42 ft - (14149 mm) |
| Percentage LP | * 115 % |
| Length Perpendicular | * 25.5 ft - (7772 mm) |
| Deck Angle | * 12 ° |
| Area | 690.68 ft² |
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Mason 63 Ketch - GENOA
| Luff | * 64.34 ft - (19611 mm) |
|---|---|
| Foot | * 36.16 ft - (11022 mm) |
| Leech | * 60.18 ft - (18343 mm) |
| Percentage LP | * 150 % |
| Length Perpendicular | * 33.26 ft - (10138 mm) |
| Deck Angle | * 4 ° |
| Area | 1070 ft² |
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Mason 63 Ketch - MIZZEN
| Luff | * 41 ft - (12497 mm) |
|---|---|
| Foot | * 15.67 ft - (4776 mm) |
| Leech-AftHdBd | * 43.2 ft - (13167 mm) |
| Tack Ang | * 88.01 ° |
| Diag (clew/head) | * 43.38 ft - (13222 mm) |
| Head (inches) | * 6 in - (152 mm) |
| Area (no Roach) | 320.88 ft² |
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Disclaimer. Boats are not all the same -- even when produced in the same factory of the same model. Sailrite does its best to publish accurate dimensions, but we often find it worthwhile to have our customers measure their boats carefully before we produce kits for them. You should take the same precautions, especially when the data is not from Sailrite. The information on this site is not guaranteed to be accurate. Sailrite offers this content as a service to our community, but takes no responsibility for the reliability of the data provided.
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