PPHU Ekolot is a Polish aircraft manufacturer based in Korczyna, Podkarpackie Voivodeship, with its factory in Krosno.

The company was formed in 1995 and its director is Henryk Słowik.

[1][2] The company specializes in the design and manufacture of ultralight aircraft in the form of kits for amateur construction and ready-to-fly aircraft for the Fédération Aéronautique Internationale microlight and the American light-sport aircraft categories.

[1] Working in composite materials, the company produces the Jerzy Krawczyk-designed Ekolot JK 01A Elf motorglider and two ultralight aircraft, the strut-braced Ekolot JK-05L Junior and the cantilever-wing Ekolot KR-030 Topaz.

The Topaz has been accepted by the US Federal Aviation Administration as a light-sport aircraft.