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2 aircraft on missed apches after making practice apches at different airports came in close proximity to each other while on departure frequency.
| Attributes | |
| ACN | 116998 |
| Time | |
| Date | 198907 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : gso |
| State Reference | NC |
| Altitude | msl bound lower : 3000 msl bound upper : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : gso |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Fixed Gear |
| Flight Phase | cruise other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air taxi |
| Make Model Name | Large Transport |
| Flight Phase | cruise other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : departure |
| Qualification | controller : radar |
| ASRS Report | 116996 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument |
| Events | |
| Anomaly | non adherence : published procedure non adherence : required legal separation other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance |
| Consequence | Other |
| Miss Distance | horizontal : 12000 vertical : 0 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
I was working west low radar with small aircraft X on a practice missed approach from NC14 to int swbnd IFR, and atx Y on a practice missed approach from gso runway 32 to ILS runway 23 at gso, northeast bound IFR. Both aircraft were on vectors. I was also working several departures and overflts. I had all of my attention focused on separating the 2 overflts. The 2 missed apches were at 3000 on vectors and the separation decreased to less than 3 mi. I turned both aircraft but the separation was less than 3 mi. Prevention: be firm on initial decision.
Original NASA ASRS Text
Title: 2 ACFT ON MISSED APCHES AFTER MAKING PRACTICE APCHES AT DIFFERENT ARPTS CAME IN CLOSE PROX TO EACH OTHER WHILE ON DEP FREQ.
Narrative: I WAS WORKING WEST LOW RADAR WITH SMA X ON A PRACTICE MISSED APCH FROM NC14 TO INT SWBND IFR, AND ATX Y ON A PRACTICE MISSED APCH FROM GSO RWY 32 TO ILS RWY 23 AT GSO, NE BOUND IFR. BOTH ACFT WERE ON VECTORS. I WAS ALSO WORKING SEVERAL DEPS AND OVERFLTS. I HAD ALL OF MY ATTN FOCUSED ON SEPARATING THE 2 OVERFLTS. THE 2 MISSED APCHES WERE AT 3000 ON VECTORS AND THE SEPARATION DECREASED TO LESS THAN 3 MI. I TURNED BOTH ACFT BUT THE SEPARATION WAS LESS THAN 3 MI. PREVENTION: BE FIRM ON INITIAL DECISION.
Data retrieved from NASA's ASRS site as of August 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.