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Flight crew understood FL310 and climbed to FL310. Controller said clearance was FL290. No known conflict.
| Attributes | |
| ACN | 104109 |
| Time | |
| Date | 198902 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : sun |
| State Reference | AZ |
| Altitude | msl bound lower : 29000 msl bound upper : 31000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zab |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | enroute airway : zab |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 12000 flight time type : 1200 |
| ASRS Report | 104109 |
| Person 2 | |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance non adherence : far |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Miss Distance | vertical : 2000 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We were cleared to and level at FL310. The controller then said she had cleared us to FL290, not FL310. She pointed out military traffic to us at FL330 which we couldn't see.
Original NASA ASRS Text
Title: FLT CREW UNDERSTOOD FL310 AND CLIMBED TO FL310. CTLR SAID CLRNC WAS FL290. NO KNOWN CONFLICT.
Narrative: WE WERE CLRED TO AND LEVEL AT FL310. THE CTLR THEN SAID SHE HAD CLRED US TO FL290, NOT FL310. SHE POINTED OUT MIL TFC TO US AT FL330 WHICH WE COULDN'T SEE.
Data retrieved from NASA's ASRS site as of August 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.