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While holding was in progress at a busy sector, a C560 was assigned holding at an occupied altitude resulting in a loss of separation.
| Attributes | |
| ACN | 612795 |
| Time | |
| Date | 200403 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : tyi.vortac |
| State Reference | NC |
| Altitude | msl single value : 41000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Gulfstream IV |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | cruise : level cruise : holding |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zdc.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Citation V |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | cruise : holding cruise : level |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller military : 6 controller radar : 16 controller time certified in position1 : 2 controller time certified in position2 : 3 |
| ASRS Report | 612795 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne critical non adherence : published procedure non adherence : required legal separation |
| Independent Detector | atc equipment other atc equipment : radar/mode c other controllera |
| Resolutory Action | controller : issued new clearance controller : separated traffic |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 18000 vertical : 0 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Sector was holding for teb/mmu. Traffic flow had resumed and then holding again after 5 mins. Volume in the sector was very heavy. Conflict was noticed at the last min and turns were insufficient to avoid error.
Original NASA ASRS Text
Title: WHILE HOLDING WAS IN PROGRESS AT A BUSY SECTOR, A C560 WAS ASSIGNED HOLDING AT AN OCCUPIED ALT RESULTING IN A LOSS OF SEPARATION.
Narrative: SECTOR WAS HOLDING FOR TEB/MMU. TFC FLOW HAD RESUMED AND THEN HOLDING AGAIN AFTER 5 MINS. VOLUME IN THE SECTOR WAS VERY HVY. CONFLICT WAS NOTICED AT THE LAST MIN AND TURNS WERE INSUFFICIENT TO AVOID ERROR.
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.