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Be-400A captain reported overshooting cleared altitude departing mdw after encountering suspected wake turbulence.
| Attributes | |
| ACN | 1527713 |
| Time | |
| Date | 201803 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | MDW.Airport |
| State Reference | IL |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Beechjet 400 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Climb |
| Route In Use | Vectors SID MIDWAY3 |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 100 Flight Crew Total 19000 Flight Crew Type 400 |
| Events | |
| Anomaly | Deviation - Altitude Overshoot Deviation - Procedural Clearance Inflight Event / Encounter Wake Vortex Encounter |
Narrative:
Climbing to assigned altitude of 3;000 feet; encountered an abrupt moderate to severe turbulence (suspected wake turbulence) between 2700 feet MSL and 3000 feet MSL. Autopilot system showed altitude capture at 3000 feet MSL; however; autopilot had difficulty in leveling at 3000 feet MSL and appeared to continue through 3000 feet MSL. Autopilot was disconnected and aircraft manually returned to assigned altitude of 3000 feet MSL. It is estimated aircraft reached 3300 feet MSL before climb was manually arrested.lesson to share - be aware some autopilot systems may not be able to properly follow commands when encountering sudden turbulent conditions.
Original NASA ASRS Text
Title: BE-400A Captain reported overshooting cleared altitude departing MDW after encountering suspected wake turbulence.
Narrative: Climbing to assigned altitude of 3;000 feet; encountered an abrupt moderate to severe turbulence (suspected wake turbulence) between 2700 feet MSL and 3000 feet MSL. Autopilot system showed altitude capture at 3000 feet MSL; however; autopilot had difficulty in leveling at 3000 feet MSL and appeared to continue through 3000 feet MSL. Autopilot was disconnected and aircraft manually returned to assigned altitude of 3000 feet MSL. It is estimated aircraft reached 3300 feet MSL before climb was manually arrested.Lesson to share - be aware some autopilot systems may not be able to properly follow commands when encountering sudden turbulent conditions.
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.