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TRACON controller claims that the ASR-9 radar scope erroneously displays level 4 WX activity. Pilot reports indicate no WX encountered in those areas.
| Attributes | |
| ACN | 378330 |
| Time | |
| Date | 199708 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : mci |
| State Reference | MO |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Aircraft 1 | |
| Controlling Facilities | tower : ffo |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Experience | controller military : 4 controller radar : 16 |
| ASRS Report | 378330 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Experience | controller military : 4 controller radar : 16 |
| ASRS Report | 378327 |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : unable |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Navigational Facility |
| Air Traffic Incident | other |
| Situations | |
| Navigational Aid | Unspecified |
Narrative:
ASR-9 indicated level 4 WX echoes in area west of mci. Pilots reported no precipitation in that area. Also WX echoes north of mci 40 mi. Pilot reports indicated light rain. Equipment that gives false returns is unreliable and unacceptable.
Original NASA ASRS Text
Title: TRACON CTLR CLAIMS THAT THE ASR-9 RADAR SCOPE ERRONEOUSLY DISPLAYS LEVEL 4 WX ACTIVITY. PLT RPTS INDICATE NO WX ENCOUNTERED IN THOSE AREAS.
Narrative: ASR-9 INDICATED LEVEL 4 WX ECHOES IN AREA W OF MCI. PLTS RPTED NO PRECIPITATION IN THAT AREA. ALSO WX ECHOES N OF MCI 40 MI. PLT RPTS INDICATED LIGHT RAIN. EQUIP THAT GIVES FALSE RETURNS IS UNRELIABLE AND UNACCEPTABLE.
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.