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ATC reporter claims that TRACON's ASR-9 processes inaccurate and false WX returns indicating that level 1 through level 6 WX is in the area, when it is not. Reporter questions the accuracy and reliability of the system.
| Attributes | |
| ACN | 340472 |
| Time | |
| Date | 199607 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : bur |
| State Reference | CA |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar pilot : instrument |
| Experience | controller radar : 20 flight time total : 1000 |
| ASRS Report | 340472 |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : unable |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
ASR-9 WX display system reports false indicators for WX. It never seems to be accurate. On this day there was no WX in the area for over 100 mi. The system showed level 1 through level 6 WX.
Original NASA ASRS Text
Title: ATC RPTR CLAIMS THAT TRACON'S ASR-9 PROCESSES INACCURATE AND FALSE WX RETURNS INDICATING THAT LEVEL 1 THROUGH LEVEL 6 WX IS IN THE AREA, WHEN IT IS NOT. RPTR QUESTIONS THE ACCURACY AND RELIABILITY OF THE SYS.
Narrative: ASR-9 WX DISPLAY SYS RPTS FALSE INDICATORS FOR WX. IT NEVER SEEMS TO BE ACCURATE. ON THIS DAY THERE WAS NO WX IN THE AREA FOR OVER 100 MI. THE SYS SHOWED LEVEL 1 THROUGH LEVEL 6 WX.
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.