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GA small aircraft requested radar steer from mcc TRACON when aircraft heading information was found to be not accurate.
| Attributes | |
| ACN | 101706 |
| Time | |
| Date | 198901 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : o51 |
| State Reference | CA |
| Altitude | agl bound lower : 0 agl bound upper : 500 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mcc tower : iad |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Retractable Gear |
| Flight Phase | descent : approach |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Experience | flight time last 90 days : 20 flight time total : 3000 flight time type : 1000 |
| ASRS Report | 101706 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : provided flight assist flight crew : declared emergency flight crew : overcame equipment problem |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
I lost heading information while shooting a VOR approach. I informed approach control that my heading information was unreliable. I was forced to choose between executing a missed approach with bad heading information or staying below the overcast and getting directional guidance from approach. I chose the latter and was successfully directed to the airport.
Original NASA ASRS Text
Title: GA SMA REQUESTED RADAR STEER FROM MCC TRACON WHEN ACFT HEADING INFORMATION WAS FOUND TO BE NOT ACCURATE.
Narrative: I LOST HDG INFO WHILE SHOOTING A VOR APCH. I INFORMED APCH CTL THAT MY HDG INFO WAS UNRELIABLE. I WAS FORCED TO CHOOSE BTWN EXECUTING A MISSED APCH WITH BAD HDG INFO OR STAYING BELOW THE OVERCAST AND GETTING DIRECTIONAL GUIDANCE FROM APCH. I CHOSE THE LATTER AND WAS SUCCESSFULLY DIRECTED TO THE ARPT.
Data retrieved from NASA's ASRS site as of August 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.