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B767 flight crew reported a missed approach and diversion from rctp due to severe turbulence. The missed approach began above the published missed approach altitude and the climb caused a conflict with an aircraft.
| Attributes | |
| ACN | 1453622 |
| Time | |
| Date | 201706 |
| Place | |
| Locale Reference | RCTP.Airport |
| State Reference | FO |
| Environment | |
| Flight Conditions | Marginal |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B767 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Conflict Airborne Conflict Deviation - Altitude Overshoot Deviation - Procedural Published Material / Policy Inflight Event / Encounter Weather / Turbulence |
Narrative:
There were thunderstorms in the taipei area. We saw a break in the weather and started the approach. Initially there was no turbulence at 4700 feet outside frank. Passing frank; we descended with flaps 15 at approximately 170 kts. We forgot to set the missed approach altitude of 3000 ft due to concern over the weather. At approximately 3500 ft we hit severe turbulence. There were three simultaneous go around calls. I am not sure who called it first. We began to climb. Rctp approach control had to vector traffic away from us due to our climb. There were no TCAS RA or TA alerts. We then diverted and landed uneventfully.I have mixed feelings about whether setting the missed approach altitude to 3000 ft would have changed the decision to climb. The severe turbulence could have become a severe windshear situation.
Original NASA ASRS Text
Title: B767 flight crew reported a missed approach and diversion from RCTP due to severe turbulence. The missed approach began above the published missed approach altitude and the climb caused a conflict with an aircraft.
Narrative: There were thunderstorms in the Taipei area. We saw a break in the weather and started the approach. Initially there was no turbulence at 4700 feet outside FRANK. Passing FRANK; we descended with Flaps 15 at approximately 170 kts. We forgot to set the missed approach altitude of 3000 ft due to concern over the weather. At approximately 3500 ft we hit severe turbulence. There were three simultaneous go around calls. I am not sure who called it first. We began to climb. RCTP Approach Control had to vector traffic away from us due to our climb. There were no TCAS RA or TA alerts. We then diverted and landed uneventfully.I have mixed feelings about whether setting the missed approach Altitude to 3000 ft would have changed the decision to climb. The severe turbulence could have become a severe windshear situation.
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.