Plain English Meaning

Three yellow lights set into the taxiway surface that mark the spot where you must stop and hold until you are cleared to continue.

Full Definition

A row of three steady, in-pavement yellow lights installed at taxiway holding positions to indicate the location of a hold point. At low-visibility taxi routes operating under SMGCS procedures, clearance bar lights also serve to denote a holding position when used in conjunction with stop bar lights and runway guard lights.

Context Anchor

Pilots encounter clearance bar lights while taxiing on airport movement areas, especially on low-visibility taxi routes and near places where aircraft may need to hold or watch for crossing .