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Ultralight unauthorized penetration of class D airspace had near midair collision with SW3. Pilot deviation.
| Attributes | |
| ACN | 262076 |
| Time | |
| Date | 199401 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : eug |
| State Reference | OR |
| Altitude | msl bound lower : 1500 msl bound upper : 1500 |
| Aircraft 1 | |
| Controlling Facilities | tower : eug |
| Operator | general aviation : personal |
| Make Model Name | Ultralight |
| Operating Under FAR Part | other : other |
| Flight Plan | None |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Merlin III |
| Operating Under FAR Part | Part 135 |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : local |
| Qualification | controller : radar |
| Experience | controller radar : 2 controller supervisory : 2 |
| ASRS Report | 262076 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | other other : other |
| Events | |
| Anomaly | conflict : nmac non adherence : far other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Miss Distance | horizontal : 0 vertical : 400 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
An ultralight was maneuvering inside the class D airspace without a transponder or radio. A weak primary target was observed at about the same time the above SW3 reported seeing the ultralight. No traffic was exchanged by the controller. The ultralight was in the vicinity of a high area of ground clutter on the radar scope. Upgrade the airspace to class C.
Original NASA ASRS Text
Title: ULTRALIGHT UNAUTH PENETRATION OF CLASS D AIRSPACE HAD NMAC WITH SW3. PLTDEV.
Narrative: AN ULTRALIGHT WAS MANEUVERING INSIDE THE CLASS D AIRSPACE WITHOUT A XPONDER OR RADIO. A WEAK PRIMARY TARGET WAS OBSERVED AT ABOUT THE SAME TIME THE ABOVE SW3 RPTED SEEING THE ULTRALIGHT. NO TFC WAS EXCHANGED BY THE CTLR. THE ULTRALIGHT WAS IN THE VICINITY OF A HIGH AREA OF GND CLUTTER ON THE RADAR SCOPE. UPGRADE THE AIRSPACE TO CLASS C.
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.