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ARTCC radar instructor controller reacts too late to developmental controller actions to stop loss of vertical separation with overhead traffic.
| Attributes | |
| ACN | 397816 |
| Time | |
| Date | 199803 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : cyn |
| State Reference | NJ |
| Altitude | msl bound lower : 29000 msl bound upper : 29300 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc |
| Operator | common carrier : air carrier |
| Make Model Name | B737-500 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Route In Use | enroute other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar instruction : instructor |
| Qualification | controller : radar |
| Experience | controller military : 3 controller radar : 19 |
| ASRS Report | 397816 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar instruction : trainee |
| 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 | vertical : 700 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
The developmental I was training climbed an aircraft with lead on traffic. When questioned about the clearance and instruction issued to maintain previous altitude, the aircraft had already climbed 300 ft.
Original NASA ASRS Text
Title: ARTCC RADAR INSTRUCTOR CTLR REACTS TOO LATE TO DEVELOPMENTAL CTLR ACTIONS TO STOP LOSS OF VERT SEPARATION WITH OVERHEAD TFC.
Narrative: THE DEVELOPMENTAL I WAS TRAINING CLBED AN ACFT WITH LEAD ON TFC. WHEN QUESTIONED ABOUT THE CLRNC AND INSTRUCTION ISSUED TO MAINTAIN PREVIOUS ALT, THE ACFT HAD ALREADY CLBED 300 FT.
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.