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A300 crew understood clearance to descend to FL250 from FL390. Passing through FL270, the controller advised the crew that they were only cleared to FL350.
| Attributes | |
| ACN | 417301 |
| Time | |
| Date | 199810 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : bwg |
| State Reference | KY |
| Altitude | msl bound lower : 27000 msl bound upper : 35000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zme |
| Operator | common carrier : air carrier |
| Make Model Name | A300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | descent other |
| Route In Use | arrival other arrival star : star |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 120 flight time total : 12000 flight time type : 120 |
| ASRS Report | 417301 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 6000 flight time type : 800 |
| ASRS Report | 417300 |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | atc equipment other atc equipment : unspecified other controllera |
| Resolutory Action | controller : issued new clearance none taken : unable other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
Narrative:
Our flight air carrier X was inbound to mem oct/xa/98 at approximately XA50Z on the wilder 3 arrival. We understood our clearance from ZME was to cross 65 NM southwest of bwg at FL250. We read it back that way with no challenge from controller. We called out of FL390 for FL250, again with no challenge from controller. At approximately FL270, controller asked our altitude and advised we were cleared to FL350, not FL250.
Original NASA ASRS Text
Title: A300 CREW UNDERSTOOD CLRNC TO DSND TO FL250 FROM FL390. PASSING THROUGH FL270, THE CTLR ADVISED THE CREW THAT THEY WERE ONLY CLRED TO FL350.
Narrative: OUR FLT ACR X WAS INBOUND TO MEM OCT/XA/98 AT APPROX XA50Z ON THE WILDER 3 ARR. WE UNDERSTOOD OUR CLRNC FROM ZME WAS TO CROSS 65 NM SW OF BWG AT FL250. WE READ IT BACK THAT WAY WITH NO CHALLENGE FROM CTLR. WE CALLED OUT OF FL390 FOR FL250, AGAIN WITH NO CHALLENGE FROM CTLR. AT APPROX FL270, CTLR ASKED OUR ALT AND ADVISED WE WERE CLRED TO FL350, NOT FL250.
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.