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Air carrier flight crew experiences a TCAS RA descending through 12;000 ft and climbs to comply with the RA. Target is co-located and at or slightly below the reporter's aircraft and climbing with it until it disappears at 13;000 ft.
| Attributes | |
| ACN | 1032223 |
| Time | |
| Date | 201208 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | SFO.Airport |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Component | |
| Aircraft Component | TCAS Equipment |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 240 Flight Crew Total 18000 Flight Crew Type 9500 |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Altitude Excursion From Assigned Altitude |
Narrative:
We were descending through 11;200 approaching lozit on the golden gate arrival to sfo. We had a TCAS RA. The target was 200 ft below us. We followed the guidance to 13;000 ft when the oral and visual stopped. The target stayed with us at 200 ft below our altitude. At 13;000 ft it disappeared. We did not see an airplane visually; nor did we see a TCAS target near us prior to the RA sounding. We immediately notified norcal of our TCAS RA climb. They told us that they did not have an aircraft on their scope.
Original NASA ASRS Text
Title: Air Carrier flight crew experiences a TCAS RA descending through 12;000 FT and climbs to comply with the RA. Target is co-located and at or slightly below the reporter's aircraft and climbing with it until it disappears at 13;000 FT.
Narrative: We were descending through 11;200 approaching LOZIT on the golden gate arrival to SFO. We had a TCAS RA. The target was 200 FT below us. We followed the guidance to 13;000 FT when the oral and visual stopped. The target stayed with us at 200 FT below our altitude. At 13;000 FT it disappeared. We did not see an airplane visually; nor did we see a TCAS target near us prior to the RA sounding. We immediately notified NORCAL of our TCAS RA climb. They told us that they did not have an aircraft on their scope.
Data retrieved from NASA's ASRS site as of July 2013 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.