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A pilot unfamiliar with an aircraft's RNAV equipment became distracted during the approach and descended below the final approach fix altitude where ATC notified him of a low altitude warning.
| Attributes | |
| ACN | 1014203 |
| Time | |
| Date | 201206 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | FLO.Airport |
| State Reference | SC |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Small Transport Low Wing 2 Turboprop Eng |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Flight Dynamics Navigation and Safety |
| Person 1 | |
| Function | Single Pilot |
| Qualification | Flight Crew Flight Instructor Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 100 Flight Crew Total 5000 Flight Crew Type 2300 |
| Events | |
| Anomaly | Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Inflight Event / Encounter CFTT / CFIT |
Narrative:
While flying an unfamiliar light twin aircraft with avionics that I was unfamiliar with; I flew an RNAV approach to about 200 ft above minimums. While distracted with the avionics; I flew below the prescribed altitude for the segment I was on. I was not past the final approach fix; but believed I was and the tower asked me to check my altitude due to a low altitude warning they got on my aircraft. I checked and saw that I started the descent too early and climbed back up and regained the glide path for this approach and completed the approach and landing without further incident.
Original NASA ASRS Text
Title: A pilot unfamiliar with an aircraft's RNAV equipment became distracted during the approach and descended below the final approach fix altitude where ATC notified him of a low altitude warning.
Narrative: While flying an unfamiliar light twin aircraft with avionics that I was unfamiliar with; I flew an RNAV approach to about 200 FT above minimums. While distracted with the avionics; I flew below the prescribed altitude for the segment I was on. I was not past the final approach fix; but believed I was and the Tower asked me to check my altitude due to a low altitude warning they got on my aircraft. I checked and saw that I started the descent too early and climbed back up and regained the glide path for this approach and completed the approach and landing without further incident.
Data retrieved from NASA's ASRS site as of July 2013 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.