 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
ARTCC radar controller loses separation between 2 air carrier aircraft crossing same course at same altitude.
| Attributes | |
| ACN | 414677 |
| Time | |
| Date | 199809 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : aco |
| State Reference | OH |
| Altitude | msl bound lower : 29000 msl bound upper : 29000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zob |
| Operator | common carrier : air carrier |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | cruise 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 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 16 |
| ASRS Report | 414677 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | atc equipment other atc equipment : unspecified |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 25800 vertical : 0 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Aircraft X was stopped at FL290 for traffic. He was also being slowed for additional traffic. Aircraft Y was on a converging course with aircraft X, but would have fallen behind if aircraft X hadn't been slowed.
Original NASA ASRS Text
Title: ARTCC RADAR CTLR LOSES SEPARATION BTWN 2 ACR ACFT XING SAME COURSE AT SAME ALT.
Narrative: ACFT X WAS STOPPED AT FL290 FOR TFC. HE WAS ALSO BEING SLOWED FOR ADDITIONAL TFC. ACFT Y WAS ON A CONVERGING COURSE WITH ACFT X, BUT WOULD HAVE FALLEN BEHIND IF ACFT X HADN'T BEEN SLOWED.
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.