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Pilot of small aircraft tracking VOR radial in moderate turbulence suspects it of scalloping and possibly causing him to penetrate tip of restricted area located close to the VOR.
| Attributes | |
| ACN | 146629 |
| Time | |
| Date | 199005 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : hec |
| State Reference | CA |
| Altitude | msl bound lower : 10500 msl bound upper : 10500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Retractable Gear |
| Navigation In Use | other vortac |
| Flight Phase | cruise other |
| Route In Use | enroute airway : v21 |
| Flight Plan | None |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Experience | flight time last 90 days : 20 flight time total : 670 flight time type : 20 |
| ASRS Report | 146629 |
| Events | |
| Anomaly | other anomaly other other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | other |
| Situations | |
| Navigational Aid | Unspecified |
Narrative:
Flight from chino to pocatello, identification with fuel stop at slc. On V21 in moderate scalloping, turns left and right to stay on course. Changed RPM. No help. Tried other VOR, same. Left and right turns required on what should have been a straight course. Noticed R2501N is approximately 2 mi southeast of VOR. Centerline much too close! May have inadvertently clipped the edge of it even though VOR indicated on course.
Original NASA ASRS Text
Title: PLT OF SMA TRACKING VOR RADIAL IN MODERATE TURBULENCE SUSPECTS IT OF SCALLOPING AND POSSIBLY CAUSING HIM TO PENETRATE TIP OF RESTRICTED AREA LOCATED CLOSE TO THE VOR.
Narrative: FLT FROM CHINO TO POCATELLO, ID WITH FUEL STOP AT SLC. ON V21 IN MODERATE SCALLOPING, TURNS LEFT AND RIGHT TO STAY ON COURSE. CHANGED RPM. NO HELP. TRIED OTHER VOR, SAME. LEFT AND RIGHT TURNS REQUIRED ON WHAT SHOULD HAVE BEEN A STRAIGHT COURSE. NOTICED R2501N IS APPROX 2 MI SE OF VOR. CENTERLINE MUCH TOO CLOSE! MAY HAVE INADVERTENTLY CLIPPED THE EDGE OF IT EVEN THOUGH VOR INDICATED ON COURSE.
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.