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Private pilot reported by ATC to be 3 mi off centerline of airway. Pilot using but 1 VOR for navigation.
| Attributes | |
| ACN | 359400 |
| Time | |
| Date | 199701 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : czq |
| State Reference | CA |
| Altitude | msl bound lower : 5000 msl bound upper : 5000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : fat |
| Operator | general aviation : instructional |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Route In Use | enroute : on vectors enroute airway : v23 enroute other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private pilot : instrument |
| Experience | flight time last 90 days : 62 flight time total : 1119 flight time type : 513 |
| ASRS Report | 359400 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Events | |
| Anomaly | non adherence : published procedure other anomaly other other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Navigational Facility |
| Air Traffic Incident | Pilot Deviation other |
Narrative:
In cruise flight over solid fog layer, navigating on #1 VOR, needle centered. As I neared changeover point, I tuned and idented next VOR (czq) on #2 VOR. It showed course slightly to right. ATC called and said I was 3 mi left of course, gave vector 280 degrees. Soon he told me to turn on course -- I did, then used #2 rest of trip. No more problems. Checked vors against each other, within tolerance. In future, I'll use both vors and if different, ask position and adjust as needed.
Original NASA ASRS Text
Title: PVT PLT RPTED BY ATC TO BE 3 MI OFF CTRLINE OF AIRWAY. PLT USING BUT 1 VOR FOR NAV.
Narrative: IN CRUISE FLT OVER SOLID FOG LAYER, NAVING ON #1 VOR, NEEDLE CTRED. AS I NEARED CHANGEOVER POINT, I TUNED AND IDENTED NEXT VOR (CZQ) ON #2 VOR. IT SHOWED COURSE SLIGHTLY TO R. ATC CALLED AND SAID I WAS 3 MI L OF COURSE, GAVE VECTOR 280 DEGS. SOON HE TOLD ME TO TURN ON COURSE -- I DID, THEN USED #2 REST OF TRIP. NO MORE PROBS. CHKED VORS AGAINST EACH OTHER, WITHIN TOLERANCE. IN FUTURE, I'LL USE BOTH VORS AND IF DIFFERENT, ASK POS AND ADJUST AS NEEDED.
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.