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Emb-145 first officer reported a momentary flap speed limit exceedance following a possible wake turbulence encounter.
| Attributes | |
| ACN | 1590972 |
| Time | |
| Date | 201811 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | CLT.Airport |
| State Reference | NC |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 145 ER/LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | Descent |
| Person 1 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument |
| Experience | Flight Crew Last 90 Days 200 Flight Crew Total 6000 Flight Crew Type 1500 |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Deviation - Speed All Types Inflight Event / Encounter Wake Vortex Encounter |
Narrative:
On descent into clt; while in speed mode set for 235 knots at a descent rate of 1000 ft per minute; there was an instant raise in airspeed to 251 knots for 1 second. The high speed; red chime came on. The airspeed immediately returned to normal. The aircraft was written up for inspection. Possible wake turbulence encounter. Corrected immediately. No proper amount of time to avoid and detect due to instant nature of speed increase.
Original NASA ASRS Text
Title: EMB-145 First Officer reported a momentary flap speed limit exceedance following a possible wake turbulence encounter.
Narrative: On descent into CLT; while in speed mode set for 235 knots at a descent rate of 1000 ft per minute; there was an instant raise in airspeed to 251 knots for 1 second. The high speed; red chime came on. The airspeed immediately returned to normal. The aircraft was written up for inspection. Possible wake turbulence encounter. Corrected immediately. No proper amount of time to avoid and detect due to instant nature of speed increase.
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.