The SunSpot 36 PCx (Landing light for Pilatus) series replacement LED’s utilize mounting configurations and electrical connections, making installation a true drop-in replacement for your Pilatus Aircraft. This par36 landing light will work with models: PC-7, PC-9, PC-12 and PC-21. AeroLEDs SunSpot 36 series lights consume less power, are not affected by vibration and output a solid, even light beam that provides exceptional color rendition when compared to the grayed out images from legacy incandescent lamps.