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A321 flight crew experiences moderate to severe turbulence at FL300 causing a 700 foot altitude loss with the autopilot and autothrust engaged. Radar did not indicate any significant weather in the area.
| Attributes | |
| ACN | 1232330 |
| Time | |
| Date | 201501 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZJX.ARTCC |
| State Reference | FL |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | A321 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Deviation - Altitude Excursion From Assigned Altitude Inflight Event / Encounter Loss Of Aircraft Control Inflight Event / Encounter Weather / Turbulence |
Narrative:
Encountered moderate to severe turbulence about 30 miles north of omn. Aircraft then entered a downdraft and lost 700 feet of altitude in about 10 seconds. ATC called and said to maintain FL300; we told ATC we were in turbulence and a down draft. Aircraft climbed back to FL300.
Original NASA ASRS Text
Title: A321 flight crew experiences moderate to severe turbulence at FL300 causing a 700 foot altitude loss with the autopilot and autothrust engaged. Radar did not indicate any significant weather in the area.
Narrative: Encountered moderate to severe turbulence about 30 miles north of OMN. Aircraft then entered a downdraft and lost 700 feet of altitude in about 10 seconds. ATC called and said to maintain FL300; we told ATC we were in turbulence and a down draft. Aircraft climbed back to FL300.
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.