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Flight crew of an airbus A320 responded to another aircraft's climb clearance and found out only after ATC questioned their altitude.
| Attributes | |
| ACN | 421871 |
| Time | |
| Date | 199812 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : dxo |
| State Reference | MI |
| Altitude | msl bound lower : 22000 msl bound upper : 23000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | cruise other |
| Route In Use | enroute airway : zob |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 200 flight time total : 16000 flight time type : 500 |
| ASRS Report | 421871 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Experience | flight time last 90 days : 200 flight time total : 7000 flight time type : 2100 |
| ASRS Report | 421870 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
ZOB gave us (air carrier X) FL230 en route climb. (Female voice.) about the time we leveled at FL230, ZOB asked 'verify level FL220.' (male voice.) we responded 'no,' then received clearance back to FL220. We read back climb clearance to FL230. If that wasn't correct we would expect a call back 'no, FL220.'
Original NASA ASRS Text
Title: FLC OF AN AIRBUS A320 RESPONDED TO ANOTHER ACFT'S CLB CLRNC AND FOUND OUT ONLY AFTER ATC QUESTIONED THEIR ALT.
Narrative: ZOB GAVE US (ACR X) FL230 ENRTE CLB. (FEMALE VOICE.) ABOUT THE TIME WE LEVELED AT FL230, ZOB ASKED 'VERIFY LEVEL FL220.' (MALE VOICE.) WE RESPONDED 'NO,' THEN RECEIVED CLRNC BACK TO FL220. WE READ BACK CLB CLRNC TO FL230. IF THAT WASN'T CORRECT WE WOULD EXPECT A CALL BACK 'NO, FL220.'
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.