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D01 TRACON controller reported an aircraft descended below the MVA after not reading back the assigned altitude.
| Attributes | |
| ACN | 1535880 |
| Time | |
| Date | 201804 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | D01.TRACON |
| State Reference | CO |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | PC-12 |
| Flight Phase | Descent |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Person 1 | |
| Function | Approach Trainee |
| Qualification | Air Traffic Control Developmental |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Altitude Overshoot Deviation - Procedural Clearance Inflight Event / Encounter CFTT / CFIT |
Narrative:
I issued aircraft X a heading of 250 degrees and pilots discretion descent to 8000 ft. The pilot read back pilots discretion but no altitude. I was busy talking to other aircraft and once I saw aircraft X at 7500 ft in a 7300 ft minimum vectoring area I issued a low altitude alert and climb immediate to 8000 ft. The lowest altitude aircraft X reached was 7000 ft. Pilots should start being held accountable for full and correct read backs.
Original NASA ASRS Text
Title: D01 TRACON Controller reported an aircraft descended below the MVA after not reading back the assigned altitude.
Narrative: I issued Aircraft X a heading of 250 degrees and pilots discretion descent to 8000 ft. The Pilot read back pilots discretion but no altitude. I was busy talking to other aircraft and once I saw Aircraft X at 7500 ft in a 7300 ft Minimum Vectoring Area I issued a low altitude alert and climb immediate to 8000 ft. The lowest altitude Aircraft X reached was 7000 ft. Pilots should start being held accountable for full and correct read backs.
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.