An ATR-72 aircraft, registration SP-LFH, suffered damage in a collision with a baggage vehicle at Warszawa-Fr‚d‚ric Chopin Airport (WAW) in Poland. The driver of the baggage vehicle sustained serious injuries. The aircraft arrived on the apron when approached by a vehicle pulling baggage carts. The vehicle ran into the second engine, which was still running, resulting in three propeller blades separating and a puncture to the fuselage. The accident was caused by inadequate observation of the movement area by the ‘Mulag’ tractor operator, exacerbated by heavy rain, lightning, light reflections on the aerodrome surface, and the partial obstruction of the left post of the ‘Mulag’ tractor cab.An ATR-72 aircraft, registration SP-LFH, suffered damage in a collision with a baggage vehicle at Warszawa-Fr‚d‚ric Chopin Airport (WAW) in Poland. The driver of the baggage vehicle sustained serious injuries. The aircraft arrived on the apron when approached by a vehicle pulling baggage carts. The vehicle ran into the second engine, which was still running, resulting in three propeller blades separating and a puncture to the fuselage. The accident was caused by inadequate observation of the movement area by the ‘Mulag’ tractor operator, exacerbated by heavy rain, lightning, light reflections on the aerodrome surface, and the partial obstruction of the left post of the ‘Mulag’ tractor cab.