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Air carrier on ILS approach has TCASII RA.
| Attributes | |
| ACN | 253853 |
| Time | |
| Date | 199310 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : sea |
| State Reference | WA |
| Altitude | msl bound lower : 1500 msl bound upper : 3000 |
| Environment | |
| Flight Conditions | Marginal |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tracon : sea |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Helicopter |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 150 flight time total : 6000 flight time type : 500 |
| ASRS Report | 253853 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : private pilot : atp pilot : flight engineer pilot : commercial |
| Experience | flight time last 90 days : 200 flight time total : 7000 flight time type : 600 |
| ASRS Report | 253851 |
| Events | |
| Anomaly | non adherence : published procedure other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 8000 vertical : 300 |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation other |
Narrative:
On ILS to runway 16R we descended as indicated by our TCASII warning. Aircraft was between layers and we observed another aircraft in our flight path. We descended off the runway 16R ILS to avoid traffic.
Original NASA ASRS Text
Title: ACR ON ILS APCH HAS TCASII RA.
Narrative: ON ILS TO RWY 16R WE DSNDED AS INDICATED BY OUR TCASII WARNING. ACFT WAS BTWN LAYERS AND WE OBSERVED ANOTHER ACFT IN OUR FLT PATH. WE DSNDED OFF THE RWY 16R ILS TO AVOID TFC.
Data retrieved from NASA's ASRS site as of July 2007 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.