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A pilot discovered after a track deviation that he entered the incorrect waypoint; talum instead of talem. Both waypoints are located on V23.
| Attributes | |
| ACN | 1352817 |
| Time | |
| Date | 201605 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZOA.ARTCC |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Small Aircraft Low Wing 1 Eng Retractable Gear |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Route In Use | Airway V23 |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | GPS & Other Satellite Navigation |
| Person 1 | |
| Function | Pilot Flying Single Pilot |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Instructor Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 100 Flight Crew Total 10000 Flight Crew Type 600 |
| Events | |
| Anomaly | Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types |
Narrative:
I was flying to mfr. I was initially cleared sac V23 talem mfr. I loaded up the G1000 using the airway feature and inputted V23 talum as talem was the first exit waypoint to show up on the flight plan screen. I did not verify my way points on the enroute chart unfortunately. As I passed the rbl VOR the center controller advised me that I was 4 miles east of V23. I went back through the waypoints and then realized I had entered talum and not talem. Both intersections are waypoints on V23. This is very confusing as only one letter is different and they are on the same airway. Clearly I made a mistake and I should have verified the route I entered into the GPS with the chart itself. That was my mistake and I will do a better job in the future of not making that error again. But without question having two almost identical waypoints on the same airway is a recipe for this type of error.
Original NASA ASRS Text
Title: A pilot discovered after a track deviation that he entered the incorrect waypoint; TALUM instead of TALEM. Both waypoints are located on V23.
Narrative: I was flying to MFR. I was initially cleared SAC V23 TALEM MFR. I loaded up the G1000 using the airway feature and inputted V23 TALUM as TALEM was the first exit waypoint to show up on the flight plan screen. I did not verify my way points on the enroute chart unfortunately. As I passed the RBL VOR the Center controller advised me that I was 4 miles east of V23. I went back through the waypoints and then realized I had entered TALUM and not TALEM. Both intersections are waypoints on V23. This is very confusing as only one letter is different and they are on the same airway. Clearly I made a mistake and I should have verified the route I entered into the GPS with the chart itself. That was my mistake and I will do a better job in the future of not making that error again. But without question having two almost identical waypoints on the same airway is a recipe for this type of error.
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.