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Flight crew of a FK10 were descending to their newly assigned altitude when ATC intervened to advise that they had gone past their assigned altitude. Both crew members believed that they had both heard and recorded the newly assigned altitude correctly.
| Attributes | |
| ACN | 390881 |
| Time | |
| Date | 199801 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : pmm |
| State Reference | MI |
| Altitude | msl bound lower : 26500 msl bound upper : 28000 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zob tracon : sna |
| Operator | common carrier : air carrier |
| Make Model Name | Fokker 100 |
| 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 : atp |
| ASRS Report | 390881 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| ASRS Report | 390880 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude altitude deviation : overshoot other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
Narrative:
Cleared by ZOB to cross 70 mi east of pmm VOR at FL240. Passing FL265 controller said assigned altitude was FL280, climb and maintain FL280. First officer and I both heard clearance to FL240 and did the standard first officer set altitude and I confirmed it before we started descent. Nothing was mentioned about any conflict with other traffic.
Original NASA ASRS Text
Title: FLC OF A FK10 WERE DSNDING TO THEIR NEWLY ASSIGNED ALT WHEN ATC INTERVENED TO ADVISE THAT THEY HAD GONE PAST THEIR ASSIGNED ALT. BOTH CREW MEMBERS BELIEVED THAT THEY HAD BOTH HEARD AND RECORDED THE NEWLY ASSIGNED ALT CORRECTLY.
Narrative: CLRED BY ZOB TO CROSS 70 MI E OF PMM VOR AT FL240. PASSING FL265 CTLR SAID ASSIGNED ALT WAS FL280, CLB AND MAINTAIN FL280. FO AND I BOTH HEARD CLRNC TO FL240 AND DID THE STANDARD FO SET ALT AND I CONFIRMED IT BEFORE WE STARTED DSCNT. NOTHING WAS MENTIONED ABOUT ANY CONFLICT WITH OTHER 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.