The U.S. aircraft register, updated daily
Parts · Instruments and avionics

Localizer

6 failure reports named the localizer in the last ten years, 11 since 1998, most often on the Embraer EMB-145 ERJ 145; the condition most often found was "faulted".

Reports by year

001221998202112026
Reports by year, as a table
reports
19982
20121
20141
20151
20181
20212
20221
20231
20261

Which system the reports file it under last ten years

Reports by system, as a table
reports
Instruments and avionics6

Models most often reporting it last ten years

Models most reported, as a table
reports
Embraer EMB-145 ERJ 1454
Beechcraft 400 Beechjet1
Boeing 7171

How it failed the condition found, last ten years

faulted3malfunctioned2erratic1
Conditions found, as a table
reports
faulted3
malfunctioned2
erratic1

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.