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B757-200 flight crew reported a firm landing resulted after encountering a wind shift or wake turbulence.
| Attributes | |
| ACN | 1603381 |
| Time | |
| Date | 201812 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | MEM.Airport |
| State Reference | TN |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Landing |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Commercial Fixed Wing |
| Flight Phase | Landing |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) Flight Crew Commercial |
| Person 2 | |
| Function | First Officer Pilot Flying |
| Events | |
| Anomaly | Inflight Event / Encounter Weather / Turbulence Inflight Event / Encounter Wake Vortex Encounter Inflight Event / Encounter Unstabilized Approach |
Narrative:
The first officer flew a great approach. He was stable at 500 ft. Over threshold (mem runway 27); the aircraft encountered a slight wind shift which created a slight airspeed loss. Sink rate increased a bit and I directed the first officer to begin his flare. The touchdown was a bit firm; so we wrote up the firm landing on the aml upon reaching our gate. Target vref was 119 + 5 = 124 kias. Winds calm.I believe a wind shift or wake turbulence from the preceding landing aircraft caused this event.because the aircraft was light weight; I had instructed the first officer to carry power into the flare. As I felt the sink rate increase on very short final; I instructed the first officer to begin his flare. The event occurred so close to landing that there was very little time for the first officer to implement my recommendation.
Original NASA ASRS Text
Title: B757-200 flight crew reported a firm landing resulted after encountering a wind shift or wake turbulence.
Narrative: The First Officer flew a great approach. He was stable at 500 ft. Over threshold (MEM RWY 27); the aircraft encountered a slight wind shift which created a slight airspeed loss. Sink rate increased a bit and I directed the First Officer to begin his flare. The touchdown was a bit firm; so we wrote up the firm landing on the AML upon reaching our gate. Target Vref was 119 + 5 = 124 kias. Winds calm.I believe a wind shift or wake turbulence from the preceding landing aircraft caused this event.Because the aircraft was light weight; I had instructed the First Officer to carry power into the flare. As I felt the sink rate increase on very short final; I instructed the First Officer to begin his flare. The event occurred so close to landing that there was very little time for the First Officer to implement my recommendation.
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.