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Cpr X non adherence to ATC clearance had less than standard separation from small aircraft Y. System error. Pilot deviation.
| Attributes | |
| ACN | 174096 |
| Time | |
| Date | 199103 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : flo |
| State Reference | SC |
| Altitude | msl bound lower : 5000 msl bound upper : 5000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : flo |
| Operator | general aviation : corporate |
| Make Model Name | Light Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | descent other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Fixed Gear |
| Flight Phase | cruise other |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| ASRS Report | 174096 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation non adherence : published procedure non adherence : clearance other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | Other |
| Miss Distance | horizontal : 12000 vertical : 0 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Operational Error Pilot Deviation |
Narrative:
WX moving in from the west. Cpr X descending into the airport. Small aircraft Y, sebnd at 5000' MSL. Cpr X was cleared to descend through 5000' to 2000' no factor for the small aircraft Y. Cpr X advised he needed to proceed southbound, still no factor for the small aircraft Y. Instead of proceeding south the cpr X took up an easterly course right at small aircraft Y. Corrective action had to be taken by sending cpr X southbound and small aircraft Y eastbound immediately. I believe the cpr X pilot mistakenly said south when he indeed meant east. If we, as controllers, are so scrutinized for saying the wrong things, I feel some of the burden should be placed on the other half of our communication. All too often a controller is forced to react to a situation instead of controling it, causing problems for the rest of the flying public who choose to do as they say and abide by ATC.
Original NASA ASRS Text
Title: CPR X NON ADHERENCE TO ATC CLRNC HAD LESS THAN STANDARD SEPARATION FROM SMA Y. SYSTEM ERROR. PLTDEV.
Narrative: WX MOVING IN FROM THE W. CPR X DSNDING INTO THE ARPT. SMA Y, SEBND AT 5000' MSL. CPR X WAS CLRED TO DSND THROUGH 5000' TO 2000' NO FACTOR FOR THE SMA Y. CPR X ADVISED HE NEEDED TO PROCEED SBND, STILL NO FACTOR FOR THE SMA Y. INSTEAD OF PROCEEDING S THE CPR X TOOK UP AN EASTERLY COURSE R AT SMA Y. CORRECTIVE ACTION HAD TO BE TAKEN BY SENDING CPR X SBND AND SMA Y EBND IMMEDIATELY. I BELIEVE THE CPR X PLT MISTAKENLY SAID S WHEN HE INDEED MEANT E. IF WE, AS CTLRS, ARE SO SCRUTINIZED FOR SAYING THE WRONG THINGS, I FEEL SOME OF THE BURDEN SHOULD BE PLACED ON THE OTHER HALF OF OUR COM. ALL TOO OFTEN A CTLR IS FORCED TO REACT TO A SITUATION INSTEAD OF CTLING IT, CAUSING PROBS FOR THE REST OF THE FLYING PUBLIC WHO CHOOSE TO DO AS THEY SAY AND ABIDE BY ATC.
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.