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Pit TRACON controller reported missing a read back resulting in an aircraft flying below the MVA.
| Attributes | |
| ACN | 1622696 |
| Time | |
| Date | 201902 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | PIT.Airport |
| State Reference | PA |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | PC-12 |
| Flight Phase | Cruise |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Person 1 | |
| Function | Other / Unknown |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 13 |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Clearance Inflight Event / Encounter CFTT / CFIT |
Narrative:
Aircraft X inbound to pit from southeast already had checked in. Frequencies were combined and aircraft Y was departing airspace to the north. Aircraft Y was already handed off to yng approach and requested a lower altitude. Aircraft Y was issued 3;000 and I immediately coordinated with yng. While on the line I missed the partial read back of what turned out to by aircraft X. I noticed aircraft X descending and asked to confirm assigned altitude. Aircraft responded 3;000. Aircraft was still inside jst approach control airspace and our MVA (minimum vectoring altitude) in the area is 3;400. Aircraft was descending through 3;300 and about 1 mile from pit. I took no further action.hearback/readback prior to coordination with adjacent approach control. I should have stopped aircraft descent.
Original NASA ASRS Text
Title: PIT TRACON Controller reported missing a read back resulting in an aircraft flying below the MVA.
Narrative: Aircraft X inbound to PIT from southeast already had checked in. Frequencies were combined and Aircraft Y was departing airspace to the north. Aircraft Y was already handed off to YNG Approach and requested a lower altitude. Aircraft Y was issued 3;000 and I immediately coordinated with YNG. While on the line I missed the partial read back of what turned out to by Aircraft X. I noticed Aircraft X descending and asked to confirm assigned altitude. Aircraft responded 3;000. Aircraft was still inside JST Approach Control airspace and our MVA (Minimum Vectoring Altitude) in the area is 3;400. Aircraft was descending through 3;300 and about 1 mile from PIT. I took no further action.Hearback/readback prior to coordination with adjacent Approach Control. I should have stopped aircraft descent.
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.