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A tb-10C pilot, taxiing at smx, crossed the hold short line for runway 30. The pilot later found out that, at the particular time of afternoon he was taxiing, the hold short line is invisible due to the angle of the sun.
| Attributes | |
| ACN | 456726 |
| Time | |
| Date | 199912 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : smx.airport |
| State Reference | CA |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Tobago TB-10C |
| Operating Under FAR Part | Part 91 |
| Flight Phase | ground : taxi |
| Flight Plan | None |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : commercial |
| Experience | flight time last 90 days : 15 flight time total : 1495 flight time type : 354 |
| ASRS Report | 456726 |
| Person 2 | |
| Affiliation | other |
| Function | controller : local |
| Qualification | controller : non radar |
| Events | |
| Anomaly | incursion : runway non adherence : clearance other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Airport Environmental Factor |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
| Situations | |
| Airport | lighting : smx.airport markings : smx.airport signage : smx.airport |
Narrative:
I arrived at the runup area for runway 30 at santa maria's hancock field. Did my aircraft's runup and headed for what I thought was the hold short line for the runway. Tower called me, after clearing me for takeoff, that I held short at the wrong line , past the hold short line. The hold short line, at this time of day, is not visible because of the angle of the sun. The afternoon sun causes the hold short line to blend in with the taxiway runup area.
Original NASA ASRS Text
Title: A TB-10C PLT, TAXIING AT SMX, CROSSED THE HOLD SHORT LINE FOR RWY 30. THE PLT LATER FOUND OUT THAT, AT THE PARTICULAR TIME OF AFTERNOON HE WAS TAXIING, THE HOLD SHORT LINE IS INVISIBLE DUE TO THE ANGLE OF THE SUN.
Narrative: I ARRIVED AT THE RUNUP AREA FOR RWY 30 AT SANTA MARIA'S HANCOCK FIELD. DID MY ACFT'S RUNUP AND HEADED FOR WHAT I THOUGHT WAS THE HOLD SHORT LINE FOR THE RWY. TWR CALLED ME, AFTER CLRING ME FOR TKOF, THAT I HELD SHORT AT THE WRONG LINE , PAST THE HOLD SHORT LINE. THE HOLD SHORT LINE, AT THIS TIME OF DAY, IS NOT VISIBLE BECAUSE OF THE ANGLE OF THE SUN. THE AFTERNOON SUN CAUSES THE HOLD SHORT LINE TO BLEND IN WITH THE TXWY RUNUP AREA.
Data retrieved from NASA's ASRS site as of July 2007 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.