The Menger Cat 19, also sold as the Thom Cat 19 Catboat, is an American trailerable sailboat that was designed by father and son team and as a daysailer and cruiser and first built in 1990. The Menger Cat 19 is a development of the Menger Cat 17, designed after the Menger Cat 17 molds were destroyed in a lightning-caused fire in 1990.