Whelen Aerospace Technologies (WAT) offers an extensive range of LoPresti speed modifications for general aviation aircraft. Each composite modification is custom-made to order, ensuring precision and performance.

WAT’s LoPresti mods include highly efficient engine cowlings, wingtips, fairings, seals, and aerodynamic shapes designed to minimize drag. Our comprehensive cowl kits not only enhance engine cooling but also significantly reduce cooling drag, leading to increased speed, greater range, and improved fuel efficiency. WAT offers a variety of STC and PMA approved speed and composite mods tailored to enhance your aircraft’s performance.