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An air carrier medium large transport flight crew had an altitude deviation altitude overshot when they forgot to reset the altimeters.
| Attributes | |
| ACN | 427050 |
| Time | |
| Date | 199901 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : grr |
| State Reference | MI |
| Altitude | msl bound lower : 23000 msl bound upper : 23350 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : ord |
| Operator | common carrier : air carrier |
| Navigation In Use | Other |
| Flight Phase | cruise other |
| Route In Use | enroute airway : zau |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : commercial pilot : flight engineer pilot : cfi pilot : instrument |
| Experience | flight time last 90 days : 180 flight time total : 8500 flight time type : 1000 |
| ASRS Report | 427050 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : published procedure non adherence : far other anomaly other |
| Independent Detector | other flight crewa |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | Pilot Deviation |
Narrative:
First officer was PF. Passing through FL180 he forgot to reset his altimeter to 29.92. I missed it in my xchk. Aircraft leveled at FL233.5 before we caught it -- immediately returned to FL230. We were diverting to dtw after a long hold waiting to get into ord. Also had other FMS minor problems that contributed to our distraction. A long duty day, compounded by other distrs, led us both to miss resetting the altimeter. Finally, the first officer was fairly new to the company and the aircraft.
Original NASA ASRS Text
Title: AN ACR MLG FLC HAD AN ALTDEV ALT OVERSHOT WHEN THEY FORGOT TO RESET THE ALTIMETERS.
Narrative: FO WAS PF. PASSING THROUGH FL180 HE FORGOT TO RESET HIS ALTIMETER TO 29.92. I MISSED IT IN MY XCHK. ACFT LEVELED AT FL233.5 BEFORE WE CAUGHT IT -- IMMEDIATELY RETURNED TO FL230. WE WERE DIVERTING TO DTW AFTER A LONG HOLD WAITING TO GET INTO ORD. ALSO HAD OTHER FMS MINOR PROBS THAT CONTRIBUTED TO OUR DISTR. A LONG DUTY DAY, COMPOUNDED BY OTHER DISTRS, LED US BOTH TO MISS RESETTING THE ALTIMETER. FINALLY, THE FO WAS FAIRLY NEW TO THE COMPANY AND THE ACFT.
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.