![Aerospace | Free Full-Text | The PAPI Lights-Based Vision System for Aircraft Automatic Control during Approach and Landing Aerospace | Free Full-Text | The PAPI Lights-Based Vision System for Aircraft Automatic Control during Approach and Landing](https://www.mdpi.com/aerospace/aerospace-09-00285/article_deploy/html/images/aerospace-09-00285-g001.png)
Aerospace | Free Full-Text | The PAPI Lights-Based Vision System for Aircraft Automatic Control during Approach and Landing
![Precision approach path indicator, PAPI, navigation lights for airplane landing, vector illustration 10422000 Vector Art at Vecteezy Precision approach path indicator, PAPI, navigation lights for airplane landing, vector illustration 10422000 Vector Art at Vecteezy](https://static.vecteezy.com/system/resources/previews/010/422/000/original/precision-approach-path-indicator-papi-navigation-lights-for-airplane-landing-illustration-vector.jpg)
Precision approach path indicator, PAPI, navigation lights for airplane landing, vector illustration 10422000 Vector Art at Vecteezy
![a: Photograph of PAPI lights viewed from ground level. Photograph taken... | Download Scientific Diagram a: Photograph of PAPI lights viewed from ground level. Photograph taken... | Download Scientific Diagram](https://www.researchgate.net/publication/235099031/figure/fig1/AS:299879562792972@1448508267637/a-Photograph-of-PAPI-lights-viewed-from-ground-level-Photograph-taken-at-Sussex-Flight.png)