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Captain of a widebody transport forgot to reset altimeter during descent through FL180 resulting in overshooting assigned altitude.
| Attributes | |
| ACN | 430720 |
| Time | |
| Date | 199903 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : zbw.artcc |
| State Reference | MA |
| Altitude | msl bound lower : 15700 msl bound upper : 16000 |
| Environment | |
| Flight Conditions | VMC IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zbw.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 230 flight time total : 8900 flight time type : 800 |
| ASRS Report | 430720 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Aircraft was cleared to descend to 16000 ft from FL200, while first officer was in the lavatory. Captain failed to reset his altimeter setting while passing through FL180. Aircraft leveled off below the cleared altitude of 16000 ft as ATC cleared the flight to 14000 ft.
Original NASA ASRS Text
Title: CAPT OF A WDB FORGOT TO RESET ALTIMETER DURING DSCNT THROUGH FL180 RESULTING IN OVERSHOOTING ASSIGNED ALT.
Narrative: ACFT WAS CLRED TO DSND TO 16000 FT FROM FL200, WHILE FO WAS IN THE LAVATORY. CAPT FAILED TO RESET HIS ALTIMETER SETTING WHILE PASSING THROUGH FL180. ACFT LEVELED OFF BELOW THE CLRED ALT OF 16000 FT AS ATC CLRED THE FLT TO 14000 FT.
Data retrieved from NASA's ASRS site as of July 2007 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.