would fly. If the localizer dot (or arrow) indicate runway is to be found to the left, but the flight director suggests a right turn, and the runway isn't visible, then the pilot in command is having difficulties. Localizer at runways When the glideslope is unserviceable, the localizer element can often be conducted as a separate non-precision approach; or a standalone instrument approach installation without an associated glidepath, both are abbreviated as 'LOC' (or 'LLZ' prior to 2007.) See also AN/MRN-1 Andrew Alford Localizer type directional aid (LDA) Simplified directional facility References Aeronautical navigation systems Aircraft landing systems Radio navigation Radio stations and systems ITU Navigational aids