Narrative:

Aircraft X was on a vector to intercept the runway 17 localizer. They were issued a 140 heading to join. Aircraft X shot through and was seen descending into the 110 foot minimum vectoring altitude. The instructor took over and issued a heading to reintercept. Aircraft X reported in a 30 degree bank. The aircraft was still allowed to continue descending below the MVA.

Google
 

Original NASA ASRS Text

Title: S56 TRACON Controller reported an A320 on a vector to intercept a Localizer flew through the Localizer course placing the aircraft below the MVA.

Narrative: Aircraft X was on a vector to intercept the runway 17 localizer. They were issued a 140 heading to join. Aircraft X shot through and was seen descending into the 110 foot minimum vectoring altitude. The instructor took over and issued a heading to reintercept. Aircraft X reported in a 30 degree bank. The aircraft was still allowed to continue descending below the MVA.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.