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B737 flight crew leveling at 8;000 ft experiences a TCAS RA due to VFR traffic at 8;500 ft and descends.
| Attributes | |
| ACN | 994952 |
| Time | |
| Date | 201202 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ATL.Airport |
| State Reference | GA |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737 Next Generation Undifferentiated |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | Descent |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Experience | Flight Crew Last 90 Days 237 Flight Crew Type 3000 |
| Person 2 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 320 Flight Crew Type 4950 |
| Events | |
| Anomaly | Conflict Airborne Conflict Deviation - Altitude Excursion From Assigned Altitude |
Narrative:
On the rmblr departure out of atlanta; ATC leveled us off at 8;000 ft MSL. While at 8;000 ft MSL; another aircraft was vectored over us at approximately 8;500 ft. ATC did not call out the traffic to us. We received an RA 'descend now' advisory. I complied with the advisory and started a 2;000 FPM descent into the green arc on the vsi. I descended to approximately 7;600 ft and the resolution advisory ceased. We informed ATC of the event and then climbed back up to our assigned altitude. We believe the other aircraft's descent rate caused our system to trigger the RA.
Original NASA ASRS Text
Title: B737 flight crew leveling at 8;000 FT experiences a TCAS RA due to VFR traffic at 8;500 FT and descends.
Narrative: On the RMBLR Departure out of Atlanta; ATC leveled us off at 8;000 FT MSL. While at 8;000 FT MSL; another aircraft was vectored over us at approximately 8;500 FT. ATC did not call out the traffic to us. We received an RA 'Descend Now' Advisory. I complied with the advisory and started a 2;000 FPM descent into the green arc on the VSI. I descended to approximately 7;600 FT and the Resolution Advisory ceased. We informed ATC of the event and then climbed back up to our assigned altitude. We believe the other aircraft's descent rate caused our system to trigger the RA.
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.