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Embraer phenom 100 first officer reported losing a reliable GPS signal; which he attributed to military activity in the area. This resulted in a deviation from the published departure which was remedied with ATC assistance.
| Attributes | |
| ACN | 1354632 |
| Time | |
| Date | 201605 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | SLC.Airport |
| State Reference | UT |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Embraer Phenom 100 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Climb |
| Route In Use | SID SEVYR2 |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | GPS & Other Satellite Navigation |
| Person 1 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 130 Flight Crew Total 2140 Flight Crew Type 130 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types |
Narrative:
Due to GPS jamming operations at slc our aircraft is severely affected. We were given the SEVYR2 departure which is 260 heading on departure rv on course. Looking at the schematics of the departure both pilot flying and I had interpreted 260 heading to intercept 193 radial off of tch on course. We began to intercept the radial and ATC noticed us turning and corrected our course back to the departure heading. A fix would be to thoroughly read the textual description and not rely on the picture diagram.
Original NASA ASRS Text
Title: Embraer Phenom 100 First Officer reported losing a reliable GPS signal; which he attributed to military activity in the area. This resulted in a deviation from the published departure which was remedied with ATC assistance.
Narrative: Due to GPS jamming operations at SLC our aircraft is severely affected. We were given the SEVYR2 departure which is 260 heading on departure RV on course. Looking at the schematics of the departure both pilot flying and I had interpreted 260 heading to intercept 193 radial off of TCH on course. We began to intercept the radial and ATC noticed us turning and corrected our course back to the departure heading. A fix would be to thoroughly read the textual description and not rely on the picture diagram.
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.