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TRACON controller providing OJT described a loss of separation when instructing the developmental to make a transmission in lieu of amending the instruction directly to the aircraft.
| Attributes | |
| ACN | 1111446 |
| Time | |
| Date | 201308 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.TRACON |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | A300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | PA-42 Cheyenne III/IIIA |
| Flight Phase | Climb |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Person 1 | |
| Function | Approach Departure |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Published Material / Policy |
Narrative:
Aircraft X was climbing to 8;000 ft; leaving 6;300 ft when cpc-it issued a climb to 7;000 ft to aircraft Y as well as turning them to a 350 heading. When aircraft Y was at 5;800 ft; I instructed the cpc-it to stop them at 6;000 ft as aircraft X had leveled his climb rate. By the time the cpc-it issued the 6;000 ft; aircraft Y was above it and had to descend back down and separation was lost. Instead of instructing the cpc-it to stop aircraft Y; I should have just stopped them myself.
Original NASA ASRS Text
Title: TRACON Controller providing OJT described a loss of separation when instructing the Developmental to make a transmission in lieu of amending the instruction directly to the aircraft.
Narrative: Aircraft X was climbing to 8;000 FT; leaving 6;300 FT when CPC-IT issued a climb to 7;000 FT to Aircraft Y as well as turning them to a 350 heading. When Aircraft Y was at 5;800 FT; I instructed the CPC-IT to stop them at 6;000 FT as Aircraft X had leveled his climb rate. By the time the CPC-IT issued the 6;000 FT; Aircraft Y was above it and had to descend back down and separation was lost. Instead of instructing the CPC-IT to stop Aircraft Y; I should have just stopped them myself.
Data retrieved from NASA's ASRS site as of July 2013 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.