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A corporate pilot reported taking evasive action on iad taxiway alpha 4 after a service utility van made a left turn onto the taxiway without notice.
| Attributes | |
| ACN | 959508 |
| Time | |
| Date | 201107 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | IAD.Airport |
| State Reference | DC |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Medium Transport |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument |
| Experience | Flight Crew Last 90 Days 40 Flight Crew Total 14000 Flight Crew Type 1900 |
| Events | |
| Anomaly | Conflict Ground Conflict Critical Ground Event / Encounter Vehicle |
Narrative:
After landing on runway 1C at iad and clearing runway at yankee 6 ground advised us to taxi via yankee to alpha and hold short of alpha 1 and contact ramp control. After contacting ramp control; I was cleared to taxi to taxiway bravo via alpha and alpha 5. Approaching taxiway alpha 4 I noticed a service utility van on my left side parallel to me on the main terminal ramp north of taxiway alpha. The vehicle then made a right turn onto taxiway alpha 4 without slowing down or showing any sign of stopping before entering taxiway alpha 4 and did not stop prior to starting to cross taxiway alpha. I was at a slow taxi and applied the brakes to a full stop to avoid the vehicle which appeared to be proceeding to cross taxiway alpha just in front of me. I realize that airport operations are very intense and all parties must be under constant attention and aware of their surroundings. As an aircraft operator I have always maintained a sterile cockpit on ground and after takeoff through 10;000 ft. Possible airport vehicle operators should be advised of the same procedures when operating on ground and taxiway areas.
Original NASA ASRS Text
Title: A Corporate pilot reported taking evasive action on IAD Taxiway Alpha 4 after a Service Utility Van made a left turn onto the taxiway without notice.
Narrative: After landing on Runway 1C at IAD and clearing runway at YANKEE 6 Ground advised us to taxi via YANKEE to ALPHA and hold short of ALPHA 1 and contact Ramp Control. After contacting Ramp Control; I was cleared to taxi to Taxiway BRAVO via ALPHA and ALPHA 5. Approaching Taxiway ALPHA 4 I noticed a service utility van on my left side parallel to me on the main terminal ramp north of Taxiway ALPHA. The vehicle then made a right turn onto Taxiway ALPHA 4 without slowing down or showing any sign of stopping before entering Taxiway ALPHA 4 and did not stop prior to starting to cross Taxiway ALPHA. I was at a slow taxi and applied the brakes to a full stop to avoid the vehicle which appeared to be proceeding to cross Taxiway ALPHA just in front of me. I realize that airport operations are very intense and all parties must be under constant attention and aware of their surroundings. As an aircraft operator I have always maintained a sterile cockpit on ground and after takeoff through 10;000 FT. Possible airport vehicle operators should be advised of the same procedures when operating on ground and taxiway areas.
Data retrieved from NASA's ASRS site as of April 2012 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.