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Operational error less than standard separation when aircraft #1 climbing to FL370 conflicted with aircraft #2 at FL350.
| Attributes | |
| ACN | 374714 |
| Time | |
| Date | 199707 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : ekr |
| State Reference | CO |
| Altitude | msl bound lower : 35000 msl bound upper : 35000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdv |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| 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 non radar : 10 controller radar : 10 |
| ASRS Report | 374714 |
| 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 | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | Other |
| Miss Distance | horizontal : 15000 vertical : 200 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Aircraft #1 climbing to FL370 was turned for FL350 traffic. When clear of traffic reclred dsm. Additional traffic was noticed, aircraft #2, both aircraft were turned, both aircraft had each other in sight. Loss of separation occurred.
Original NASA ASRS Text
Title: OPERROR LTSS WHEN ACFT #1 CLBING TO FL370 CONFLICTED WITH ACFT #2 AT FL350.
Narrative: ACFT #1 CLBING TO FL370 WAS TURNED FOR FL350 TFC. WHEN CLR OF TFC RECLRED DSM. ADDITIONAL TFC WAS NOTICED, ACFT #2, BOTH ACFT WERE TURNED, BOTH ACFT HAD EACH OTHER IN SIGHT. LOSS OF SEPARATION OCCURRED.
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.