L-850A

Runway centerline, Land and Hold Short Operations (LAHSO)

Bidirectional: white-white, white-red
Unidirectional: white, red

L-850B

Runway Touchdown Zone;
Medium Intensity Approach Lighting System

Unidirectional: white

L-850C

Runway edge, displaced threshold

Bidirectional: White-white, white- yellow, white-red, yellow-red, yellow-green

L-850D

Runway threshold/endBidirectional: green-red, red-red

Bidirectional: green-red, red-red
Unidirectional: green
Unidirectional: red

L-850E

Medium Intensity Approach Lighting System; Runway threshold

Unidirectional: green

L-850F

LAHSO

Unidirectional: white; flashing

L-850T

Runway Status Lights (RWSL) Takeoff Hold Light (THL), Runway Intersection Light (RIL)

Unidirectional: red