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Pilot of small aircraft being vectored by iad TRACON alleges radar contact with him was lost by iad in their southeast sector because of inadequate radar coverage.
| Attributes | |
| ACN | 150169 |
| Time | |
| Date | 199006 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : iad |
| State Reference | VA |
| Altitude | msl bound lower : 3000 msl bound upper : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : iad tower : iah |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Retractable Gear |
| Flight Phase | cruise other |
| Route In Use | enroute : on vectors |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Experience | flight time last 90 days : 20 flight time total : 180 flight time type : 100 |
| ASRS Report | 150169 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Events | |
| Anomaly | other anomaly other other spatial deviation |
| Independent Detector | other other : unspecified cockpit |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Airport |
| Air Traffic Incident | other |
| Situations | |
| ATC Facility | other physical facility |
Narrative:
Radar coverage at dulles is intermittent in southeast sector. Controller asked that transponder be recycled several times after radar contact had been established over manassas. Radar contact was lost at approximately 180 degree right and not regained until the 090 degree right.
Original NASA ASRS Text
Title: PLT OF SMA BEING VECTORED BY IAD TRACON ALLEGES RADAR CONTACT WITH HIM WAS LOST BY IAD IN THEIR SE SECTOR BECAUSE OF INADEQUATE RADAR COVERAGE.
Narrative: RADAR COVERAGE AT DULLES IS INTERMITTENT IN SE SECTOR. CTLR ASKED THAT XPONDER BE RECYCLED SEVERAL TIMES AFTER RADAR CONTACT HAD BEEN ESTABLISHED OVER MANASSAS. RADAR CONTACT WAS LOST AT APPROX 180 DEG R AND NOT REGAINED UNTIL THE 090 DEG R.
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.