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Piper 34 pilot reported loss of GPS signal when approaching rfd led to a class C airspace penetration.
| Attributes | |
| ACN | 1281957 |
| Time | |
| Date | 201507 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | RFD.Airport |
| State Reference | IL |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | PA-34-200 Seneca I |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Route In Use | Direct |
| Flight Plan | VFR |
| Component | |
| Aircraft Component | GPS & Other Satellite Navigation |
| Person 1 | |
| Function | Pilot Flying Single Pilot |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 20 Flight Crew Total 3500 Flight Crew Type 300 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Airspace Violation All Types Deviation - Procedural FAR Deviation - Track / Heading All Types |
Narrative:
While enroute to osh; were using VFR flight following until past chicago center where this was terminated; encountered limited GPS signal; and changed to VOR guidance for enroute navigation. While approaching rfd VOR from the south nearing class C airspace at 5500 feet; DME came active indicating 15 miles south of the VOR and immediately turned west to leave airspace in the event this was entered. Continued west then north to make sure clear and continued to osh. Better preflight planning for back up VOR guidance in the event of loss of GPS signal would have helped route planning to correct situation and prevent future occurrence.
Original NASA ASRS Text
Title: Piper 34 pilot reported loss of GPS signal when approaching RFD led to a Class C airspace penetration.
Narrative: While enroute to OSH; were using VFR flight following until past Chicago Center where this was terminated; encountered limited GPS signal; and changed to VOR guidance for enroute navigation. While approaching RFD VOR from the south nearing Class C airspace at 5500 feet; DME came active indicating 15 miles south of the VOR and immediately turned west to leave airspace in the event this was entered. Continued west then north to make sure clear and continued to OSH. Better preflight planning for back up VOR guidance in the event of loss of GPS signal would have helped route planning to correct situation and prevent future occurrence.
Data retrieved from NASA's ASRS site 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.