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Mem controller described departure event when air carrier used wrong departure frequency; listing previous close call caused by same anomaly.
| Attributes | |
| ACN | 781053 |
| Time | |
| Date | 200803 |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : mem.airport |
| State Reference | TN |
| Altitude | msl single value : 1800 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dawn |
| Aircraft 1 | |
| Controlling Facilities | tracon : mem.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet CL65 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : initial |
| Route In Use | departure sid : n/s |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : departure |
| Qualification | controller : radar |
| Experience | controller radar : 24 |
| ASRS Report | 781053 |
| Events | |
| Anomaly | non adherence : published procedure |
| Independent Detector | other controllera |
| Resolutory Action | none taken : anomaly accepted |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Chart Or Publication ATC Human Performance |
| Primary Problem | Ambiguous |
Narrative:
A crj departed mem airport. He was an eastbound departure and called me on west departure. I xferred him to the east departure controller. There was almost a midair collision several weeks ago because of the same problem.
Original NASA ASRS Text
Title: MEM CTLR DESCRIBED DEP EVENT WHEN ACR USED WRONG DEP FREQ; LISTING PREVIOUS CLOSE CALL CAUSED BY SAME ANOMALY.
Narrative: A CRJ DEPARTED MEM ARPT. HE WAS AN EBOUND DEP AND CALLED ME ON W DEP. I XFERRED HIM TO THE E DEP CTLR. THERE WAS ALMOST A MIDAIR COLLISION SEVERAL WKS AGO BECAUSE OF THE SAME PROB.
Data retrieved from NASA's ASRS site as of May 2009 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.