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Apa controller described a potential runway incursion/separation event when communications with snow removal equipment was confused; the reporter suggesting improved training for equipment operators was needed.
| Attributes | |
| ACN | 882228 |
| Time | |
| Date | 201004 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | APA.Airport |
| State Reference | CO |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | Taxi |
| Route In Use | None |
| Flight Plan | IFR |
| Person 1 | |
| Function | Local |
| Qualification | Air Traffic Control Fully Certified |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Published Material / Policy |
Narrative:
Visibility was 1/2 mile with snow. Snow removal was in progress with multiple departures. Snow boss; leading multiple snow removal equipment vehicles; had clearance on runway 35R for a quick turn on the runway between departures. Aircraft X was taxing to runway 35R for departure; currently on a taxiway between A-16 and A-18. I heard snow boss say; 'all equipment is clear at A-16.' I asked aircraft X if he was ready; he said yes; so I gave him his takeoff clearance and issued the heading given with the release. Snow boss came back a few seconds later and said; 'all vehicles are clear of runway 35R.' I said to snow boss; 'I thought you already told me you were clear?' snow boss responded; 'no; I said we were going to to clear at A16.' aircraft X asked if his takeoff clearance was still good. I reissued the takeoff clearance to aircraft X. Recommendation; retrain vehicle drivers to be clearer.
Original NASA ASRS Text
Title: APA Controller described a potential runway incursion/separation event when communications with snow removal equipment was confused; the reporter suggesting improved training for equipment operators was needed.
Narrative: Visibility was 1/2 mile with snow. Snow removal was in progress with multiple departures. Snow Boss; leading multiple snow removal equipment vehicles; had clearance on Runway 35R for a quick turn on the runway between departures. Aircraft X was taxing to Runway 35R for departure; currently on A Taxiway between A-16 and A-18. I heard Snow Boss say; 'All equipment is clear at A-16.' I asked Aircraft X if he was ready; he said yes; so I gave him his takeoff clearance and issued the heading given with the release. Snow Boss came back a few seconds later and said; 'all vehicles are clear of Runway 35R.' I said to Snow Boss; 'I thought you already told me you were clear?' Snow boss responded; 'no; I said we were going to to clear at A16.' Aircraft X asked if his takeoff clearance was still good. I reissued the takeoff clearance to Aircraft X. Recommendation; retrain vehicle drivers to be clearer.
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.