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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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MD90 flight crew descends to 11000 ft when cleared to 12000 ft. ATC intervenes and they return to proper altitude.
| Attributes | |
| ACN | 371760 |
| Time | |
| Date | 199706 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : slc |
| State Reference | UT |
| Altitude | msl bound lower : 11000 msl bound upper : 12000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : slc |
| Operator | common carrier : air carrier |
| Make Model Name | MD-90 Series (DC-9-90) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | descent : approach descent other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : flight engineer pilot : instrument pilot : commercial |
| Experience | flight time last 90 days : 190 flight time total : 6700 flight time type : 4716 |
| ASRS Report | 371760 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : overshoot |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
When level at 11000 ft, approach told us that we had been cleared to descend to 12000 ft and asked us to climb up to that altitude. The captain and I both thought that we'd been cleared to 11000 ft. No conflict.
Original NASA ASRS Text
Title: MD90 FLC DSNDS TO 11000 FT WHEN CLRED TO 12000 FT. ATC INTERVENES AND THEY RETURN TO PROPER ALT.
Narrative: WHEN LEVEL AT 11000 FT, APCH TOLD US THAT WE HAD BEEN CLRED TO DSND TO 12000 FT AND ASKED US TO CLB UP TO THAT ALT. THE CAPT AND I BOTH THOUGHT THAT WE'D BEEN CLRED TO 11000 FT. NO CONFLICT.
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.