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Commuter flight crew misunderstood descent clearance. After leveloff, controller called the error to their attention. Descent to wrong altitude.
| Attributes | |
| ACN | 337380 |
| Time | |
| Date | 199606 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : izn |
| State Reference | NC |
| Altitude | msl bound lower : 18000 msl bound upper : 19000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zjx |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 17000 flight time type : 6000 |
| ASRS Report | 337380 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : detected after the fact other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We misunderstood a clearance from FL230 to FL190. We read back FL180 and went to FL180. The controller brought it to our attention but said there was no problem. There was no conflict of traffic.
Original NASA ASRS Text
Title: COMMUTER FLC MISUNDERSTOOD DSCNT CLRNC. AFTER LEVELOFF, CTLR CALLED THE ERROR TO THEIR ATTN. DSCNT TO WRONG ALT.
Narrative: WE MISUNDERSTOOD A CLRNC FROM FL230 TO FL190. WE READ BACK FL180 AND WENT TO FL180. THE CTLR BROUGHT IT TO OUR ATTN BUT SAID THERE WAS NO PROB. THERE WAS NO CONFLICT OF TFC.
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.