Narrative:

First officer (first officer) was pilot flying (PF) and cleared for a visual approach to runway xyr; from base leg at 3;000 feet. First officer chose to use LNAV and VNAV to backup approach. First officer stayed too high because of improper programing; too distracted to take over visual; and fly aircraft. Repeated call outs to first officer by captain to descend but first officer very unable to understand and think. Captain had to turn off LNAV & VNAV and instruct first officer to follow ILS and flight director. In the confusion the tower call for clearance to land was missed.this first officer is very distracted by [personal difficulties and] is not 100% mentally dedicated to doing his duties.

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Original NASA ASRS Text

Title: A B737 First Officer became highly distracted after mis-programming the FMS for a visual approach. The Captain commented First Officer's personal matters made him unable to perform his flying duties well.

Narrative: First Officer (FO) was Pilot Flying (PF) and cleared for a visual approach to Runway XYR; from base leg at 3;000 feet. FO chose to use LNAV and VNAV to backup approach. FO stayed too high because of improper programing; too distracted to take over visual; and fly aircraft. Repeated call outs to FO by Captain to descend but FO very unable to understand and think. Captain had to turn off LNAV & VNAV and instruct FO to follow ILS and Flight Director. In the confusion the Tower call for clearance to land was missed.This FO is very distracted by [personal difficulties and] is not 100% mentally dedicated to doing his duties.

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.