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Buf controller described an air taxi's descent below MVA minimums; indicating that turn instructions may have been confused with an altitude assignment by the flight crew.
| Attributes | |
| ACN | 926242 |
| Time | |
| Date | 201101 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | BUF.TRACON |
| State Reference | NY |
| Aircraft 1 | |
| Make Model Name | EMB-110 All Series |
| Operating Under FAR Part | Part 135 |
| Flight Phase | Descent |
| Route In Use | Vectors Visual Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Approach Departure Handoff / Assist |
| Qualification | Air Traffic Control Fully Certified |
| Events | |
| Anomaly | ATC Issue All Types Inflight Event / Encounter CFTT / CFIT |
Narrative:
Aircraft X; an E110; was inbound to buf from roc approach descending to 6;000 ft. Upon entering buf approach's airspace I gave aircraft X descent instructions to 4;000 ft; which the pilot read back. I then gave aircraft X a vector of heading 325 degrees for the ILS runway 23 approach; which he read back '[callsign] two five.' the pilot then continued his descent to 3;100 ft in an MVA of 3;500 ft. When he asked me if he was cleared to 2;500 ft; I responded by telling him; 'climb and maintain 3;500 ft' to conform with the MVA in that area. The pilot called the airport in sight 15 miles east of buf when I then cleared him for the visual approach for runway 23 and then handed him off to buf tower.
Original NASA ASRS Text
Title: BUF Controller described an air taxi's descent below MVA minimums; indicating that turn instructions may have been confused with an altitude assignment by the flight crew.
Narrative: Aircraft X; an E110; was inbound to BUF from ROC Approach descending to 6;000 FT. Upon entering BUF Approach's airspace I gave aircraft X descent instructions to 4;000 FT; which the pilot read back. I then gave Aircraft X a vector of heading 325 degrees for the ILS Runway 23 approach; which he read back '[callsign] two five.' The pilot then continued his descent to 3;100 FT in an MVA of 3;500 FT. When he asked me if he was cleared to 2;500 FT; I responded by telling him; 'climb and maintain 3;500 FT' to conform with the MVA in that area. The pilot called the airport in sight 15 miles east of BUF when I then cleared him for the visual approach for Runway 23 and then handed him off to BUF Tower.
Data retrieved from NASA's ASRS site as of April 2012 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.