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Air carrier first officer reported that the aircraft did not perform as expected after pushing the toga button while the autopilot was engaged on a go-around.
| Attributes | |
| ACN | 1716764 |
| Time | |
| Date | 202001 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Tower |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 145 ER/LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Autopilot |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy Inflight Event / Encounter CFTT / CFIT Inflight Event / Encounter Weather / Turbulence |
Narrative:
Approached ZZZ in gusty conditions with the autopilot engaged. At approximately 700 feet AGL executed a go-around. Although I pushed the toga button; the aircraft did not enter go-around mode and the addition of power caused an excessive sink rate along with a sink rate GPWS message. Autopilot then disconnected and the captain pushed the toga button again; at which point a normal go around was performed.I now know the autopilot does not handle gusting approaches well.
Original NASA ASRS Text
Title: Air Carrier First Officer reported that the aircraft did not perform as expected after pushing the TOGA button while the autopilot was engaged on a go-around.
Narrative: Approached ZZZ in gusty conditions with the autopilot engaged. At approximately 700 feet AGL executed a go-around. Although I pushed the TOGA button; the aircraft did not enter go-around mode and the addition of power caused an excessive sink rate along with a sink rate GPWS message. Autopilot then disconnected and the captain pushed the TOGA button again; at which point a normal go around was performed.I now know the autopilot does not handle gusting approaches well.
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.