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Controller training in progress and instructor controller missed his trainee descending the mlt to the same altitude as an small transport with less than standard separation.
| Attributes | |
| ACN | 310910 |
| Time | |
| Date | 199507 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : mxf |
| State Reference | AL |
| Altitude | msl bound lower : 8000 msl bound upper : 8000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mgm |
| Operator | general aviation : personal |
| Make Model Name | PA-31 Navajo Chieftan/Mojave/Navajo T1020 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | other |
| Make Model Name | Super King Air 200/Huron |
| Operating Under FAR Part | other : other |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Experience | controller radar : 5 |
| ASRS Report | 310910 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : developmental |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | Other |
| Miss Distance | horizontal : 3000 vertical : 200 |
| Supplementary | |
| Air Traffic Incident | Operational Error |
Narrative:
Training in progress and developmental was doing fine. The traffic was moderate then decreased. Trainer got distracted by a question from controller in charge dealing with strip marking and also had to have a handoff coordinated with tower. When trainer looked back the situation had developed with the C12 descending into the navajo. Corrective action was taken but too late. From distrs, the trainer missed the altitude given to C12.
Original NASA ASRS Text
Title: CTLR TRAINING IN PROGRESS AND INSTRUCTOR CTLR MISSED HIS TRAINEE DSNDING THE MLT TO THE SAME ALT AS AN SMT WITH LTSS.
Narrative: TRAINING IN PROGRESS AND DEVELOPMENTAL WAS DOING FINE. THE TFC WAS MODERATE THEN DECREASED. TRAINER GOT DISTRACTED BY A QUESTION FROM CIC DEALING WITH STRIP MARKING AND ALSO HAD TO HAVE A HDOF COORDINATED WITH TWR. WHEN TRAINER LOOKED BACK THE SIT HAD DEVELOPED WITH THE C12 DSNDING INTO THE NAVAJO. CORRECTIVE ACTION WAS TAKEN BUT TOO LATE. FROM DISTRS, THE TRAINER MISSED THE ALT GIVEN TO C12.
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.