The Catalac 9m is a 29.25ft masthead sloop designed by Winterbotom/Lack/Duff and built in fiberglass by Westfield Engineering Co. (Marine) Ltd. since 1975.
250 units have been built.
The Catalac 9m is a moderate weight sailboat which is a reasonably good performer. The fuel capacity is originally small. There is a short water supply range.
Main features
| Model | Catalac 9m | ||
| Length | 29.25 ft | ||
| Beam | 13.75 ft | ||
| Draft | 2.50 ft | ||
| Country | United Kingdom (Europe) | ||
| Estimated price | $ 0 | ?? | 
Ratios
| Sail area / displ. | 16.85 | ||
| Ballast / displ. | 0 % | ||
| Displ. / length | 205.09 | ||
| Comfort ratio | 14 | ||
| Capsize | 2.75 | 
Hull
| Hull type | Catamaran (no boards/asym.) | ||
| Construction | Fiberglass | ||
| Waterline length | 25.92 ft | ||
| Maximum draft | 2.50 ft | ||
| Displacement | 8000 lbs | ||
| Ballast | 0 lbs | ||
| Hull speed | 6.82 knots | 
Rigging
| Rigging | Masthead Sloop | ||
| Sail area (100%) | 420 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 0 sq.ft | ?? | |
| Sail area main | 0 sq.ft | ?? | |
| I | 0 ft | ?? | |
| J | 0 ft | ?? | |
| P | 0 ft | ?? | |
| E | 0 ft | ?? | 
Engine
| Nb engines | 1 | ||
| Total power | 0 HP | ||
| Fuel capacity | 24 gals | 
Accommodations
| Water capacity | 70 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 | 
Builder data
| Builder | Westfield Engineering Co. (Marine) Ltd. | ||
| Designer | Winterbotom/Lack/Duff | ||
| First built | 1975 | ||
| Last built | 0 | ?? | |
| Number built | 250 | 
 
                         
                                                     
                                     
                                         
                                         
                                         
                                         
                                         
                                        