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Tmi 27
Designer: Charles Morgan  ·  Builder: Texas Marine Industries  ·  First built: 1981
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About the Tmi 27

A compact and capable daysailer, the TMI 27 represents the kind of no-frills sailing experience that appeals to those who want to spend more time on the water and less time worrying about complexity. Designed with accessibility in mind, this 27-foot vessel is well suited to coastal and inland sailing, making it a practical choice for weekend sailors and those exploring sheltered waters close to home. With limited production documentation widely available, the TMI 27 occupies a somewhat obscure corner of the sailboat market, which can make it an attractive option for budget-conscious buyers looking for an entry point into keelboat sailing. Its modest size lends itself to singlehanded or short-handed sailing, and the manageable deck layout means that less experienced sailors can build confidence without feeling overwhelmed. Prospective buyers should approach any purchase with thorough due diligence, including a professional survey, given the relative scarcity of published specifications and builder history. For those willing to do their homework, the TMI 27 may prove to be a rewarding and economical vessel for relaxed coastal sailing and weekend adventures.

Core Dimensions
LOA (Length Overall) 27.33 ft / 8.33 m
LWL (Waterline Length) 25.50 ft / 7.77 m
Beam 9.92 ft / 3.02 m
Max Draft 4.92 ft / 1.50 m
Displacement 8,000.00 lb / 3,629 kg
Ballast 4,000.00 lb / 1,814 kg
Sail Area (Reported) 404.00 ft² / 37.53 m²
Design & Construction
Hull Type Fin w/transom hung rudder
Rigging Type Masthead Sloop
Construction FG
Designer Charles Morgan
Builder Texas Marine Industries
First Built 1981
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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
 16.21
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
 22.34
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
 1.99
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. 6.77
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
 2.44
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. 903.85
Rig Dimensions
I (Foretriangle Height) 38.7
J (Foretriangle Base) 12.0
P (Mainsail Luff) 32.8
E (Mainsail Foot) 10.5
SA Fore 232.2
SA Main 172.2
Find a Tmi 27 For Sale
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