Beta Marine

Sailboat Specifications

Hull Type: Long Keel
Rigging Type: Cutter
LOA: 37.75 ft
LWL: 30.83 ft
S.A. (reported): 703.00 ft²
Beam: 11.50 ft
Displacement: 18,500.00 lb
Ballast: 6,500.00 lb
Max Draft: 5.00 ft
Construction: FG
Ballast Type: Lead
First Built: 1975
Last Built: 1988
# Built: 100
Builder: Shannon Yachts (USA)
Designer: G, H. Stadel & Son/Schultz & Assoc.

Auxiliary Power/Tanks (orig. equip.)

Make: Westerbeke
Type: Diesel
HP: 40


Water: 125 gals
Headroom: 6.42 ft

Sailboat Calculations

S.A. / Displ.: 16.14
Bal. / Displ.: 35.14
Disp: / Len: 281.84
Comfort Ratio: 33.59
Capsize Screening Formula: 1.74
S#: 1.87
Hull Speed: 7.44 kn
Pounds/Inch Immersion: 1,266.83 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 45.00 ft
J: 17.50 ft
P: 40.00 ft
E: 16.70 ft
S.A. Fore: 393.75 ft²
S.A. Main: 334.00 ft²
S.A. Total (100% Fore + Main Triangles): 727.75 ft²
S.A./Displ. (calc.): 16.71
Est. Forestay Length: 48.28 ft

Sailboat Links

Designers: George H. Stadel Jr.
George Stadel III
Walter Shultz
Builders: Shannon Yachts
Download Boat Record:


The SHANNON 38 was the first model by this builder. A few pilot house versions were produced.
Available as cutter or ketch.
Keel/cb version also available. DRAFT: BU: 4.25'/BD: 7.5'
Ketch sail area reported as 751 sqft.