Runway end identifier lights (REIL)

Definitions

• One component of the runway lighting system. These lights are installed at many airfields to provide rapid and positive identification of the approach end of a particular runway.
• A pair of synchronized flashing lights, located laterally on each side of the runway threshold, providing rapid and positive identification of the approach end of a runway.

References

• Airplane Flying Handbook, Federal Aviation Administration, 2021
• Instrument Flying Handbook, Federal Aviation Administration, 2014