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A TRACON controller reported an aircraft cleared for an approach turned toward the airport early and descended below the minimum safe terrain avoidance altitude.
| Attributes | |
| ACN | 1743342 |
| Time | |
| Date | 202005 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | AUS.TRACON |
| State Reference | TX |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | Citationjet (C525/C526) - CJ I / II / III / IV |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Descent |
| 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) 4 |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Clearance Inflight Event / Encounter CFTT / CFIT |
Narrative:
[I was] working aircraft X into edc. I cleared them for the approach via cusat at 4000 ft. They turned early towards the airport. I saw this; told them they were off the approach [and] to cancel approach clearance fly heading 230 and maintain 2500 ft. They continued to send to 1700 ft.; a low altitude alert [was issued and] they declared they were on the visual with the airport. I cleared him for the visual approach. I believe that I could have tried to issue the low altitude warning a little earlier or the pilot could have said he had the field insight as soon as I told him [to] cancel the approach.
Original NASA ASRS Text
Title: A TRACON Controller reported an aircraft cleared for an approach turned toward the airport early and descended below the minimum safe terrain avoidance altitude.
Narrative: [I was] working Aircraft X into EDC. I cleared them for the approach via CUSAT at 4000 ft. They turned early towards the airport. I saw this; told them they were off the approach [and] to cancel approach clearance fly heading 230 and maintain 2500 ft. They continued to send to 1700 ft.; a low altitude alert [was issued and] they declared they were on the visual with the airport. I cleared him for the visual approach. I believe that I could have tried to issue the low altitude warning a little earlier or the pilot could have said he had the field insight as soon as I told him [to] cancel the approach.
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.