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Pilot of small aircraft descends to 10000 ft when cleared to 11000 ft. Center controller notices the deviation and clears pilot to 10000 ft.
| Attributes | |
| ACN | 400060 |
| Time | |
| Date | 199804 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : lan |
| State Reference | MI |
| Altitude | msl bound lower : 10000 msl bound upper : 11000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zob |
| Operator | general aviation : personal |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : private |
| Experience | flight time last 90 days : 15 flight time total : 1871 flight time type : 1100 |
| ASRS Report | 400060 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Pilot was cleared to descend from 15000 ft to 11000 ft. Pilot descended to 10000 ft. ZOB noted the violation, and approved descent to 10000 ft. Error caused by pilot inattention.
Original NASA ASRS Text
Title: PLT OF SMA DSNDS TO 10000 FT WHEN CLRED TO 11000 FT. CTR CTLR NOTICES THE DEV AND CLRS PLT TO 10000 FT.
Narrative: PLT WAS CLRED TO DSND FROM 15000 FT TO 11000 FT. PLT DSNDED TO 10000 FT. ZOB NOTED THE VIOLATION, AND APPROVED DSCNT TO 10000 FT. ERROR CAUSED BY PLT INATTENTION.
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.