Helipad Papi Light

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  • Heliport PAPI Light SPL-039

    The PAPI system is used to guide aircraft to approach the runway at an appropriate altitude.The upper half of PAPI’s beam is white and red in the lower half. In the visual range, different elevation lights in PAPI systems allow the aircraft to see different colors at different altitudes. The pilot can judge and adjust the height of the plane by seeing the color of the beam, making it at the right height. When the pilot saw the white means to fly too high; when the pilot saw white and red together said height at the right moment; when the pilot saw the red light said flying too low, could hit obstacles.
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