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Ont controller described multiple TCAS RA events; resulting in two go arounds during police helicopter operations near the landing runway.
| Attributes | |
| ACN | 1058914 |
| Time | |
| Date | 201301 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ONT.Airport |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Airbus Industrie Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Route In Use | Visual Approach |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Helicopter |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Route In Use | None |
| Person 1 | |
| Function | Departure Approach |
| Qualification | Air Traffic Control Fully Certified |
| Person 2 | |
| Function | Local |
| Qualification | Air Traffic Control Fully Certified |
| Events | |
| Anomaly | ATC Issue All Types Conflict Airborne Conflict |
Narrative:
Air carrier X on visual approach runway 26L. Helicopter Y maneuvering near 4 mile final. Local control issued traffic to both and both said they had each other in sight. Air carrier X got a TCAS/RA and went around. Then air carrier Z was issued traffic about the helicopter Y; and helicopter Y was also issued the traffic of the air carrier Z and to maintain visual. Air carrier Z got an RA and went around. Air carrier west was then cleared for takeoff runway 26R (in due time for wake turbulence) and then local control canceled takeoff clearance and told to line up and wait. Local control had to say something and that is what came to mind; instead of continue holding in position. If the aircraft has the other in sight; why would they have to respond to an RA? Why do they not trust their eyes but listen to a computer? I would have liked the aircraft to either let us know that they lost contact with the helicopter or said that they never saw it.
Original NASA ASRS Text
Title: ONT Controller described multiple TCAS RA events; resulting in two go arounds during police helicopter operations near the landing runway.
Narrative: Air Carrier X on Visual Approach Runway 26L. Helicopter Y maneuvering near 4 mile final. LC issued traffic to both and both said they had each other in sight. Air Carrier X got a TCAS/RA and went around. Then Air Carrier Z was issued traffic about the Helicopter Y; and Helicopter Y was also issued the traffic of the Air Carrier Z and to maintain visual. Air Carrier Z got an RA and went around. Air Carrier W was then cleared for takeoff Runway 26R (in due time for wake turbulence) and then LC canceled takeoff clearance and told to line up and wait. LC had to say something and that is what came to mind; instead of continue holding in position. If the aircraft has the other in sight; why would they have to respond to an RA? Why do they not trust their eyes but listen to a computer? I would have liked the aircraft to either let us know that they lost contact with the Helicopter or said that they never saw it.
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.