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Altitude excursion as the flight crew of a B727 cargo flight accepts the clearance meant for another company flight into mem, tn.
| Attributes | |
| ACN | 557664 |
| Time | |
| Date | 200208 |
| Day | Sat |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : mem.airport |
| State Reference | TN |
| Altitude | msl bound lower : 28500 msl bound upper : 31000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zme.artcc tower : ord.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B727 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : enroute altitude change |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zme.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : commercial pilot : atp pilot : flight engineer pilot : instrument pilot : multi engine pilot : cfi |
| Experience | flight time last 90 days : 100 flight time total : 8000 flight time type : 250 |
| ASRS Report | 557664 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Company ATC Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On center frequency going into memphis at night. We were flight acy. On frequency with us was flight accy, flight axcy, and flight acxy. The controller issued the following as we heard and read back, 'flight acy descend and maintain FL280, pilot discretion to FL240.' at approximately FL285 controller asked what altitude we indicated. We responded 'leveling FL280.' he then responded 'no problem, that was for flight accy, remain at FL280.' too many similar call signs on same frequency at one time.
Original NASA ASRS Text
Title: ALT EXCURSION AS THE FLC OF A B727 CARGO FLT ACCEPTS THE CLRNC MEANT FOR ANOTHER COMPANY FLT INTO MEM, TN.
Narrative: ON CTR FREQ GOING INTO MEMPHIS AT NIGHT. WE WERE FLT ACY. ON FREQ WITH US WAS FLT ACCY, FLT AXCY, AND FLT ACXY. THE CTLR ISSUED THE FOLLOWING AS WE HEARD AND READ BACK, 'FLT ACY DSND AND MAINTAIN FL280, PLT DISCRETION TO FL240.' AT APPROX FL285 CTLR ASKED WHAT ALT WE INDICATED. WE RESPONDED 'LEVELING FL280.' HE THEN RESPONDED 'NO PROB, THAT WAS FOR FLT ACCY, REMAIN AT FL280.' TOO MANY SIMILAR CALL SIGNS ON SAME FREQ AT ONE TIME.
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.