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Small transport pilot reported a runway incursion due to a minor equipment problem creating a distraction; unfamiliar airport and confusing airport taxiway signage.
| Attributes | |
| ACN | 1635997 |
| Time | |
| Date | 201904 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | SUA.Airport |
| State Reference | FL |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Small Transport |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Person 1 | |
| Function | Single Pilot |
| Qualification | Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Instructor |
| Experience | Flight Crew Last 90 Days 100 Flight Crew Total 12500 Flight Crew Type 900 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Clearance Ground Incursion Runway |
Narrative:
While departing sua on an IFR flight plan; I was instructed to runway 12. Taxiway a is roughly parallel to runway 12; but has a slight 'bend' mid-span; as such; the taxiway sign attempts to reflect this bend with an angular depiction that doesn't directly mimic the actual taxiway layout. Further; the taxiway signage is set at an angle to the intersection of taxiways C & a; so that the layout depicted is further skewed to the actual layout of taxiway a. This intersection is not indicated as a 'hotspot' on airport diagrams.during taxi; I was distracted by the momentary illumination of an annunciator light ('hydraulic'); while viewing this light; and while attempting to comply with the taxi instructions; I was confused by the taxiway signage and inadvertently crossed the hold short line for runway 12. This was confirmed by radio communication from the ground controller; and I was instructed to taxi clear of the runway.contributing to my confusion was my unfamiliarity with the airport (which I indicated to the tower controller upon arrival - I believe this was the same controller who was acting as ground controller during my taxi outbound); and the layout of the aircraft's instrumentation following after-market modification (this was my third flight in this updated aircraft; and I had some difficulty in changing the scale of an airport taxi diagram depicted).
Original NASA ASRS Text
Title: Small transport pilot reported a runway incursion due to a minor equipment problem creating a distraction; unfamiliar airport and confusing airport taxiway signage.
Narrative: While departing SUA on an IFR flight plan; I was instructed to Runway 12. Taxiway A is roughly parallel to Runway 12; but has a slight 'bend' mid-span; as such; the taxiway sign attempts to reflect this bend with an angular depiction that doesn't directly mimic the actual taxiway layout. Further; the taxiway signage is set at an angle to the intersection of taxiways C & A; so that the layout depicted is further skewed to the actual layout of Taxiway A. This intersection is not indicated as a 'hotspot' on airport diagrams.During taxi; I was distracted by the momentary illumination of an annunciator light ('HYD'); while viewing this light; and while attempting to comply with the taxi instructions; I was confused by the taxiway signage and inadvertently crossed the hold short line for Runway 12. This was confirmed by radio communication from the Ground Controller; and I was instructed to taxi clear of the runway.Contributing to my confusion was my unfamiliarity with the airport (which I indicated to the Tower Controller upon arrival - I believe this was the same Controller who was acting as Ground Controller during my taxi outbound); and the layout of the aircraft's instrumentation following after-market modification (this was my third flight in this updated aircraft; and I had some difficulty in changing the scale of an airport taxi diagram depicted).
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.