ALPA A11
Masthead Sloop • Fin Keel • Built 1968
Dimensions
- LOA
- 37.01 ft
- LWL
- 24.61 ft
- Beam
- 8.99 ft
- Max Draft
- 5.74 ft
- Displacement
- 12,125 lbs
- Ballast
- — lbs
Performance Ratios
- Capsize Ratio ⓘ
- 1.56 (offshore safe)
- SA/D Ratio ⓘ
- 14.7
- D/L Ratio ⓘ
- 363
- Ballast Ratio ⓘ
- —
Sail Plan
- Sail Area
- 484 sq ft
Construction
- Hull Type
- Fin Keel
- Rig Type
- Masthead Sloop
- Hull Material
- FG
- Ballast Type
- —
Production
- First Built
- 1968
- Last Built
- —
- Number Built
- —
Notes: Fiberglass version of the Illingworth MAICA, mentioned in his book "Heavy Weather Sailing".
Designer
- John Illingworth (1903–1980)
Builder
- Alpa Yachts (ITA) (1956–1978)