# Long Range Lineup System (LRLS)

Uses color-coded lasers to provide horizontal lineup information of approaching aircraft. The color and flashing rate of the laser indicate the angle with respect of the centreline. 

<figure><img src="https://758643107-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FGh3w7rlq5fvH9zEMD9OZ%2Fuploads%2FzuPPztvXEy9nlJAQJAD5%2Fimage.png?alt=media&#x26;token=39141482-0805-47ae-8ba2-f58481df598d" alt=""><figcaption><p>LRLS (Source: <a href="https://vfa-41blackaces.jimdofree.com/training/case-1-approach/">https://vfa-41blackaces.jimdofree.com/training/case-1-approach/</a>)</p></figcaption></figure>

* Steady amber indicates aligned with the centerline
* An increasing rate of flashing indicates that the aircraft is deviating away from the centerline.&#x20;
* Green indicates an angle of deviation towards the Starboard side
* Red indicates an angle of deviation towards the Port side