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A B737-300 crew conducted a localizer back course approach with a 500 ft ceiling and 3 mile visibility. At 400 ft the captain took the aircraft and both pilots shifted to outside monitoring allowing a high sink rate. A go-around was initiated.
| Attributes | |
| ACN | 815060 |
| Time | |
| Date | 200812 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 400 |
| Environment | |
| Flight Conditions | IMC |
| Light | Dusk |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | ils localizer only : n/a |
| Flight Phase | descent : approach landing : go around |
| Flight Plan | IFR |
| Aircraft 2 | |
| Route In Use | approach : instrument non precision |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 142 |
| ASRS Report | 815060 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Experience | flight time last 90 days : 269 |
| ASRS Report | 815061 |
| Events | |
| Anomaly | non adherence : published procedure non adherence : company policies non adherence : far other anomaly |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | flight crew : regained aircraft control flight crew : executed go around |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Weather |
| Primary Problem | Flight Crew Human Performance |
Narrative:
On final approach captain called airport in sight and took control of aircraft. First officer also looked up and no one was monitoring instruments. Aircraft began gradual descent activating don't sink alert. A go around was initiated and diverted to ZZZ1. Emphasis on crew duties during non-approachs.
Original NASA ASRS Text
Title: A B737-300 CREW CONDUCTED A LOC BC APPROACH WITH A 500 FT CEILING AND 3 MILE VISIBILITY. AT 400 FT THE CAPTAIN TOOK THE AIRCRAFT AND BOTH PILOTS SHIFTED TO OUTSIDE MONITORING ALLOWING A HIGH SINK RATE. A GO-AROUND WAS INITIATED.
Narrative: ON FINAL APCH CAPT CALLED ARPT IN SIGHT AND TOOK CTL OF ACFT. FO ALSO LOOKED UP AND NO ONE WAS MONITORING INSTS. ACFT BEGAN GRADUAL DSCNT ACTIVATING DON'T SINK ALERT. A GAR WAS INITIATED AND DIVERTED TO ZZZ1. EMPHASIS ON CREW DUTIES DURING NON-APCHS.
Data retrieved from NASA's ASRS site as of May 2009 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.