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Nct TRACON controller reported a C206 descended below assigned altitude requiring ATC to issue a low altitude alert.
| Attributes | |
| ACN | 1528253 |
| Time | |
| Date | 201803 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | NCT.TRACON |
| State Reference | CA |
| Aircraft 1 | |
| Make Model Name | Cessna Stationair/Turbo Stationair 6 |
| Flight Phase | Descent |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Person 1 | |
| Function | Approach |
| Qualification | Air Traffic Control Fully Certified |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Altitude Overshoot Deviation - Procedural Published Material / Policy Inflight Event / Encounter CFTT / CFIT |
Narrative:
Aircraft X was on vectors to return to sjc shortly after departure from sjc due to electrical issues with the aircraft; negative emergency. Aircraft X was issued a heading and descent for altitude loss and sequencing to the airport. Aircraft X was instructed to descend and maintain 047; the pilot read back to descend and maintain 047. Aircraft X was observed descending below 047; a low altitude alert was issued with an immediate climb to 047. Aircraft X climbed to 047.
Original NASA ASRS Text
Title: NCT TRACON Controller reported a C206 descended below assigned altitude requiring ATC to issue a low altitude alert.
Narrative: Aircraft X was on vectors to return to SJC shortly after departure from SJC due to electrical issues with the aircraft; negative emergency. Aircraft X was issued a heading and descent for altitude loss and sequencing to the airport. Aircraft X was instructed to descend and maintain 047; the pilot read back to descend and maintain 047. Aircraft X was observed descending below 047; a low altitude alert was issued with an immediate climb to 047. Aircraft X climbed to 047.
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.