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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Reporter misset his altimeter, resulting in their aircraft descending below their assigned altitude.
| Attributes | |
| ACN | 465240 |
| Time | |
| Date | 200003 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : rno.airport |
| State Reference | NV |
| Altitude | msl bound lower : 15500 msl bound upper : 10000 |
| Aircraft 1 | |
| Controlling Facilities | artcc : zoa.artcc tracon : sct.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 465240 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : multi engine |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : company policies non adherence : clearance |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | flight crew : returned to assigned altitude |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
During descent to 16000 ft, reno altimeter was 29.32. Captain inadvertently set 30.32 and the first officer set 29.32. We descended to 15500 ft and realized the mistake and immediately climbed back to 16000 ft. If first officer and captain had crosschecked their altimeters, this error would not have occurred.
Original NASA ASRS Text
Title: RPTR MISSET HIS ALTIMETER, RESULTING IN THEIR ACFT DSNDING BELOW THEIR ASSIGNED ALT.
Narrative: DURING DSCNT TO 16000 FT, RENO ALTIMETER WAS 29.32. CAPT INADVERTENTLY SET 30.32 AND THE FO SET 29.32. WE DSNDED TO 15500 FT AND REALIZED THE MISTAKE AND IMMEDIATELY CLBED BACK TO 16000 FT. IF FO AND CAPT HAD XCHKED THEIR ALTIMETERS, THIS ERROR WOULD NOT HAVE OCCURRED.
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.