Runway Threshold
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://airportfyi.com/iframe/glossary/threshold/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://airportfyi.com/glossary/threshold/Add a dynamic SVG badge to your README or docs.
[](https://airportfyi.com/glossary/threshold/)Use the native HTML custom element.
Definition
The beginning of the usable portion of a runway for landing
Related Terms
Airfield Lighting (AGL)
The system of lights on runways, taxiways, and aprons that guide aircraft during low visibility
Displaced Threshold
A threshold not located at the beginning of the full-strength runway surface
Runway (RWY)
A defined rectangular surface on an airport prepared for aircraft takeoff and landing
Runway End Safety Area (RESA)
An area beyond the runway end intended to reduce risk of damage to aircraft undershooting or overrunning
Mentioned In
Airport Runway Operations: How Planes Take Off and Land
…consists of four lights mounted to the left of the runway threshold. When all four appear white, the aircraft is above the…
Airport Lighting Explained: What All Those Lights Mean
…high-intensity lights installed on the ground before the runway threshold, extending up to 900 meters (3,000 feet) ahead of the…