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A321 flight crew reported an airspeed exceedance resulted when they experienced wake turbulence after takeoff in trail of a B777.
| Attributes | |
| ACN | 1381437 |
| Time | |
| Date | 201608 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | JFK.Airport |
| State Reference | NY |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | A321 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 129 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Deviation - Speed All Types Inflight Event / Encounter Wake Vortex Encounter |
Narrative:
While climbing through 2000 ft following [a] B777; first officer called for flaps to 1. As we reached flap retract speed; the airspeed spiked into the barber pole. Airspeed indicated 240-241 kts and then came down. We retracted flaps and continued to [our destination]. After landing and at the gate; the flight report showed no malfunctions or messages. Captain reported flap overspeed to aircraft maintainer and wrote it up in aircraft log book.consider more spacing behind heavy aircraft.
Original NASA ASRS Text
Title: A321 flight crew reported an airspeed exceedance resulted when they experienced wake turbulence after takeoff in trail of a B777.
Narrative: While climbing through 2000 ft following [a] B777; FO called for flaps to 1. As we reached flap retract speed; the airspeed spiked into the barber pole. Airspeed indicated 240-241 kts and then came down. We retracted flaps and continued to [our destination]. After landing and at the gate; the flight report showed no malfunctions or messages. Captain reported flap overspeed to aircraft maintainer and wrote it up in aircraft log book.Consider more spacing behind heavy aircraft.
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.