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Denver TRACON controller reported an aircraft did not turn as cleared and entered an area of higher terrain.
| Attributes | |
| ACN | 1598966 |
| Time | |
| Date | 201812 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | GJT.Airport |
| State Reference | CO |
| Aircraft 1 | |
| Make Model Name | Citation V/Ultra/Encore (C560) |
| Flight Phase | Final Approach |
| Route In Use | Other Instrument Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Approach |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 7 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Track / Heading All Types Inflight Event / Encounter CFTT / CFIT |
Narrative:
Aircraft X came into gjt from the east; I asked him what approach he wanted to ry 29 and he requested the RNAV with direct hansu. I explained to him that to turn him southwest bound to get him lower and then to expect direct hansu from south of the fix. When he got lower; I gave him a 330 heading when able direct hansu. Then I went back and cleared him for the approach. I immediately noticed he was going past hansu and into an area of higher terrain. I gave him the low altitude alert and asked him if he could visually see the ground. He replied that he could and that he was correcting. He said he had a problem with the 'box' and asked to be vectored for the same approach; but with vectors to intercept the final. He landed without incident.
Original NASA ASRS Text
Title: Denver TRACON Controller reported an aircraft did not turn as cleared and entered an area of higher terrain.
Narrative: Aircraft X came into GJT from the east; I asked him what approach he wanted to RY 29 and he requested the RNAV with direct HANSU. I explained to him that to turn him southwest bound to get him lower and then to expect direct HANSU from south of the fix. When he got lower; I gave him a 330 heading when able direct HANSU. Then I went back and cleared him for the approach. I immediately noticed he was going past HANSU and into an area of higher terrain. I gave him the low altitude alert and asked him if he could visually see the ground. He replied that he could and that he was correcting. He said he had a problem with the 'box' and asked to be vectored for the same approach; but with vectors to intercept the final. He landed without incident.
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.