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A320 flight crew advises iad controller on initial contact that they are executing a TCASII RA due to an unidented aircraft at their altitude.
| Attributes | |
| ACN | 438700 |
| Time | |
| Date | 199905 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : brv.vortac |
| State Reference | VA |
| Altitude | msl single value : 10000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : iad.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | arrival star : ns |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Experience | controller military : 3 controller radar : 30 controller supervisory : 11 |
| ASRS Report | 438700 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne critical |
| Independent Detector | atc equipment : conflict alert aircraft equipment : tcas other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Airspace Structure |
| Primary Problem | Flight Crew Human Performance |
Narrative:
Unknown VFR at 10000 ft, aircraft X advised TCASII RA on initial contact, climbing to avoid VFR or unknown traffic Y at 10000 ft.
Original NASA ASRS Text
Title: A320 FLC ADVISES IAD CTLR ON INITIAL CONTACT THAT THEY ARE EXECUTING A TCASII RA DUE TO AN UNIDENTED ACFT AT THEIR ALT.
Narrative: UNKNOWN VFR AT 10000 FT, ACFT X ADVISED TCASII RA ON INITIAL CONTACT, CLBING TO AVOID VFR OR UNKNOWN TFC Y AT 10000 FT.
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.