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A319 flight crew reported an altitude overshoot on descent due to confusion with the charted transition level.
| Attributes | |
| ACN | 1506296 |
| Time | |
| Date | 201712 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | A319 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Altimeter |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Deviation - Altitude Overshoot Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy |
Narrative:
We were descending down to 3000ft. I do not recall whether or not ATC called it FL030 but the approach chart has a transition level at FL180. This is were we reset to qnh. While holding at 3000 feet ATC informed us that our altimeter readout was 2800 feet and instructed us to switch to 29.92 and return to FL030 which we did.
Original NASA ASRS Text
Title: A319 flight crew reported an altitude overshoot on descent due to confusion with the charted transition level.
Narrative: We were descending down to 3000ft. I do not recall whether or not ATC called it FL030 but the approach chart has a transition level at FL180. This is were we reset to QNH. While holding at 3000 feet ATC informed us that our altimeter readout was 2800 feet and instructed us to switch to 29.92 and return to FL030 which we did.
Data retrieved from NASA's ASRS site 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.