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Ground controller unauthorized uncoord runway entry with small aircraft Y. Small aircraft Y had less than standard separation from air carrier X. System error.
| Attributes | |
| ACN | 189342 |
| Time | |
| Date | 199109 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : mke |
| State Reference | WI |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | climbout : takeoff |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Fixed Gear |
| Flight Phase | ground other : taxi |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : local |
| Qualification | controller : non radar |
| ASRS Report | 189342 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : ground |
| Qualification | controller : non radar |
| Events | |
| Anomaly | conflict : ground critical non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | none taken : insufficient time |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 300 vertical : 0 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Intra Facility Coordination Failure Operational Error |
Narrative:
I was working local control. I cleared an air carrier X for takeoff on runway 31 and visually scanned the runway. He turned the corner, started takeoff roll, and as he began to rotate an small aircraft Y crossed the runway downfield on taxiway G. Callback conversation with reporter revealed the following information: reporter experience 5 yrs radar. Reporter stated the ground controller (who was a developmental controller verified on the ground control position) had taxied air carrier X to an inactive runway for departure at air carrier X request. The ground controller released the runway to the local controller but forgot he had cleared small aircraft Y to cross the runway earlier. Air carrier X rotated and missed small aircraft Y by 300 ft horizontal.
Original NASA ASRS Text
Title: GND CTLR UNAUTHORIZED UNCOORD RWY ENTRY WITH SMA Y. SMA Y HAD LTSS FROM ACR X. SYS ERROR.
Narrative: I WAS WORKING LCL CTL. I CLRED AN ACR X FOR TKOF ON RWY 31 AND VISUALLY SCANNED THE RWY. HE TURNED THE CORNER, STARTED TKOF ROLL, AND AS HE BEGAN TO ROTATE AN SMA Y CROSSED THE RWY DOWNFIELD ON TAXIWAY G. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR EXPERIENCE 5 YRS RADAR. RPTR STATED THE GND CTLR (WHO WAS A DEVELOPMENTAL CTLR VERIFIED ON THE GND CTL POS) HAD TAXIED ACR X TO AN INACTIVE RWY FOR DEP AT ACR X REQUEST. THE GND CTLR RELEASED THE RWY TO THE LCL CTLR BUT FORGOT HE HAD CLRED SMA Y TO CROSS THE RWY EARLIER. ACR X ROTATED AND MISSED SMA Y BY 300 FT HORIZ.
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.