![VGLS - High Intensity Approach Lighting System with Sequenced Flashing Lights (ALSF-2) | Federal Aviation Administration VGLS - High Intensity Approach Lighting System with Sequenced Flashing Lights (ALSF-2) | Federal Aviation Administration](https://www.faa.gov/sites/faa.gov/files/images/ALSF2_Drawing.png)
VGLS - High Intensity Approach Lighting System with Sequenced Flashing Lights (ALSF-2) | Federal Aviation Administration
![The ALS (Approach Lighting System) of Runway 16R of Sydney (Kingsford Smith) Airport (YSSY) in Sydney, Australia Stock Photo - Alamy The ALS (Approach Lighting System) of Runway 16R of Sydney (Kingsford Smith) Airport (YSSY) in Sydney, Australia Stock Photo - Alamy](https://c8.alamy.com/comp/2D9CY10/the-als-approach-lighting-system-of-runway-16r-of-sydney-kingsford-smith-airport-yssy-in-sydney-australia-2D9CY10.jpg)
The ALS (Approach Lighting System) of Runway 16R of Sydney (Kingsford Smith) Airport (YSSY) in Sydney, Australia Stock Photo - Alamy
![Medium Intensity Approach Lighting System with Runway Alignment Indicator Lights (MALSR) - Flight Light Inc. Medium Intensity Approach Lighting System with Runway Alignment Indicator Lights (MALSR) - Flight Light Inc.](https://cdn.flightlight.com/app/uploads/2017/04/07194431/Medium-Intensity-Approach-Lighting-System-MALSR.png)