Fin with rudder on skeg | Sailboatdata.com

Shoal draft: 4.92′ / 1.50m

Appears to be the same design as the earlier YANKEE 28.

Shoal Draft – 5.16’/1.57m.

Based on earlier MAMBA 34 but with more freeboard among other differences.
Masthead or fractional rig.

Built on semi-custom basis.
At least one built.