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Sailboat Specifications

Mistral T 21

Fractional Sloop · Lifting Keel

Built by Mistral Sailboats Inc. (Can) · First built 1978

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LOA 21.00 ft  ·  Beam 8.16 ft  ·  Displacement 2,700.00 lb  ·  Sail Area 280.00 ft²  ·  Fractional Sloop  ·  Lifting Keel
About the Mistral T 21 Sailboat

Built by Canadian manufacturer Mistral Sailboats Inc. starting in 1978, this compact 21-footer represents an interesting blend of performance and versatility through its lifting keel configuration. The fractional sloop rig and fiberglass construction reflect the era's emphasis on practical, affordable sailing. With a displacement of 2,700 pounds and 770 pounds of ballast, the T 21 strikes a balance between stability and responsiveness that suits both novice sailors and those seeking a manageable day sailer or weekend cruiser. The lifting keel design offers particular appeal for shallow water exploration and trailer sailing, allowing access to anchorages and launching ramps that would challenge deeper-draft vessels. The boat's 280 square feet of sail area provides adequate power for coastal cruising and club racing, while the comfort ratio of 13.15 suggests a relatively stiff ride that prioritizes performance over motion comfort. The capsize screening formula of 2.35 indicates reasonable stability for protected waters and moderate coastal conditions. This design appeals most to sailors seeking an affordable entry into keelboat sailing or those wanting a capable small cruiser for day sailing and short coastal passages. The lifting keel feature makes it particularly attractive for trailer sailors and those operating in shallow waters.

Dimensions & Specifications
LOA (Length Overall) 21.00 ft / 6.40 m
LWL (Waterline Length) 18.67 ft / 5.69 m
Beam 8.16 ft / 2.49 m
Max Draft 5.10 ft / 1.55 m
Min Draft 1.16 ft / 0.35 m
Displacement 2,700.00 lb / 1,225 kg
Ballast 770.00 lb / 349 kg
Sail Area (Reported) 280.00 ft² / 26.01 m²
Design & Construction
Hull Type Lifting Keel
Rigging Type Fractional Sloop
Construction FG
Builder Mistral Sailboats Inc. (CAN)
First Built 1978
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Frequently Asked Questions

What is the Mistral T 21's sail area to displacement ratio?

The Mistral T 21 has a Sail Area to Displacement ratio (SA/D) of 23.16. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Mistral T 21's comfort ratio?

The Mistral T 21 has a Ted Brewer Comfort Ratio of 13.15. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Mistral T 21 safe for offshore sailing?

The Mistral T 21 has a Capsize Screening Formula value of 2.35. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Mistral T 21?

The theoretical hull speed of the Mistral T 21 is 5.79 kn knots, calculated from its waterline length.

How much does a Mistral T 21 weigh?

The Mistral T 21 has a displacement of 2,700.00 lb and a length overall (LOA) of 21.00 ft.