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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Mdt aircraft climbing to 17000 ft where there was icing. Flight crew requested 15000 ft and were cleared but they forgot to reset the altitude preselector. The aircraft continued climbing through 15000 ft when flight crew caught it at 16300 ft and returned to assigned.
| Attributes | |
| ACN | 391980 |
| Time | |
| Date | 199801 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : swl |
| State Reference | MD |
| Altitude | msl bound lower : 15000 msl bound upper : 16300 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | enroute airway : zdc |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | other pilot : atp |
| Experience | flight time last 90 days : 120 flight time total : 4200 flight time type : 800 |
| ASRS Report | 391980 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : became reoriented flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
En route climb. We were climbing and cleared to 17000 ft, but due to icing at 17000 ft, asked for 15000 ft as our final. It was approved and told to climb and maintain 15000 ft. We forgot to reset altitude preselector to 15000 ft so aircraft was climbing to 17000 ft. We caught the mistake at 16300 ft and told the controller. He cleared us back down to 15000 ft.
Original NASA ASRS Text
Title: MDT ACFT CLBING TO 17000 FT WHERE THERE WAS ICING. FLC REQUESTED 15000 FT AND WERE CLRED BUT THEY FORGOT TO RESET THE ALT PRESELECTOR. THE ACFT CONTINUED CLBING THROUGH 15000 FT WHEN FLC CAUGHT IT AT 16300 FT AND RETURNED TO ASSIGNED.
Narrative: ENRTE CLB. WE WERE CLBING AND CLRED TO 17000 FT, BUT DUE TO ICING AT 17000 FT, ASKED FOR 15000 FT AS OUR FINAL. IT WAS APPROVED AND TOLD TO CLB AND MAINTAIN 15000 FT. WE FORGOT TO RESET ALT PRESELECTOR TO 15000 FT SO ACFT WAS CLBING TO 17000 FT. WE CAUGHT THE MISTAKE AT 16300 FT AND TOLD THE CTLR. HE CLRED US BACK DOWN TO 15000 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.