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Taxiway excursion onto a vehicle designated part of the ramp by the PIC of CE560 during a night operation at iad, va.
| Attributes | |
| ACN | 539881 |
| Time | |
| Date | 200203 |
| Day | Sun |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : iad.airport |
| State Reference | VA |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | general aviation : corporate |
| Make Model Name | Citation V |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | ground : taxi |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 3600 flight time type : 500 |
| ASRS Report | 539881 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Events | |
| Anomaly | excursion : taxiway non adherence : published procedure non adherence : company policies non adherence : clearance other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Supplementary | |
| Problem Areas | Airport Environmental Factor Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Confusing signs during taxi at night. We were taxiing out of FBO. We were given the instructions: taxiway J, to taxiway a, right on taxiway a, left on A4, right on taxiway B, hold short of taxiway Z. On the cross over txwys between txwys a and B (A5, A4, A3) there are also roadways for ground vehicles to drive. We turned on one of these vehicle crossovers instead of A4. It appeared by the lighted signs that we were turning onto A4, but unfortunately we were not. There are so many signs at iad that these vehicle roadways should be better defined.
Original NASA ASRS Text
Title: TXWY EXCURSION ONTO A VEHICLE DESIGNATED PART OF THE RAMP BY THE PIC OF CE560 DURING A NIGHT OP AT IAD, VA.
Narrative: CONFUSING SIGNS DURING TAXI AT NIGHT. WE WERE TAXIING OUT OF FBO. WE WERE GIVEN THE INSTRUCTIONS: TXWY J, TO TXWY A, R ON TXWY A, L ON A4, R ON TXWY B, HOLD SHORT OF TXWY Z. ON THE CROSS OVER TXWYS BTWN TXWYS A AND B (A5, A4, A3) THERE ARE ALSO ROADWAYS FOR GND VEHICLES TO DRIVE. WE TURNED ON ONE OF THESE VEHICLE CROSSOVERS INSTEAD OF A4. IT APPEARED BY THE LIGHTED SIGNS THAT WE WERE TURNING ONTO A4, BUT UNFORTUNATELY WE WERE NOT. THERE ARE SO MANY SIGNS AT IAD THAT THESE VEHICLE ROADWAYS SHOULD BE BETTER DEFINED.
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.