Deep keel: 7.42’/2.26m

When introduced in 1965, the COLUMBIA 50 was the largest production fiberglass sailboat available in the US.
Also sold as bare hull or ‘kit’ under the SAILCRAFTER name.
Sloop, yawl or schooner rig.
(In the early 1980’s, the molds were acquired by P&M Worldwide Inc. which offered the boat in kit form. If any were made is unknown.)

Tall Rig-
I(IG): 58.20′ / 17.74m
J: 17.00′ / 5.18m
P: 51.60′ / 15.73m
E: 13.90′ / 4.24m

Available with a number of different rig and keel combinations. (incl. keel/cb)
Initially promoted in US under the name F435.
KEEL/CB
Draft(BD): 9.60’/2.93m
Draft (BU): 5.50’/1.68m
TALL RIG:
I: 57.98’/17.67m
J: 17.25’/5.26m
P: 51.75’/15.77m
E: 15.58’/4.75m
SA (100%): 903.21 ft2/83.91 m2

Dimensions for tall rig.
Fractional Sloop and Winged keel versions also available.
See SIGMA 41 for more details.

A shoal draft version draws 6.21′. Thanks to Bill Hall for prividing information on this yacht.

Shoal draft: 5’/1.52m
Keel, rudder and transom vary since most have been built on a custom basis.
MKII version introduced in 1995.

Also sold as OCEAN 44 to the charter trade.
Hull is a stretched version of the KALIK 40/OCEAN 40/CONCEPT 40.