Simons R, Maher D, Stüben U, Herbert KC. Leisure pilot license proposed for Europe: do you want such pilots crossing your flight path?
Aviat Space Environ Med 2009; 80: 663–4.
"In a Notice of Proposed Amendment, the European Aviation Safety Agency proposes tointroduce a Leisure Pilot License (LPL). Holders of a LPL for airplanes will be allowedto fly single-engine piston airplanes with a maximum takeoff mass of 2000 kg or less, carrying a maximum of three passengers."