John H. Illingworth

Yacht designer

Models

3

Years active

1961–1974

Length overall

7.0–11.3 m

(23–37 ft)

Hull types

3 mono

Models

Model	Years	LOA	Hull	Builder
ALPA A8	1974	8.00 m	Monohull	Alpa
ALPA A11	1968	11.28 m	Monohull	Alpa
ALPA A7	1961	7.00 m	Monohull	Alpa

Models per decade

1960s

2

1970s

1

Builders of boats by John H. Illingworth

Alpa (3)

Last updated 30 December 2025