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Loss of separation when climbing air carrier passes through altitude on another air carrier without appropriate lateral separation.
| Attributes | |
| ACN | 386538 |
| Time | |
| Date | 199711 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : dsd |
| State Reference | OR |
| Altitude | msl bound lower : 28000 msl bound upper : 28000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zse |
| 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 : on vectors |
| 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 |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller radar : 9 |
| ASRS Report | 386538 |
| 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 : 25800 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Air carrier X climbing off pdx to lkv. Air carrier Y in level flight from lkv to btg at FL280. Air carrier X requesting FL330. Both aircraft issued vectors to avoid. Larger turns would have corrected the situation.
Original NASA ASRS Text
Title: LOSS OF SEPARATION WHEN CLBING ACR PASSES THROUGH ALT ON ANOTHER ACR WITHOUT APPROPRIATE LATERAL SEPARATION.
Narrative: ACR X CLBING OFF PDX TO LKV. ACR Y IN LEVEL FLT FROM LKV TO BTG AT FL280. ACR X REQUESTING FL330. BOTH ACFT ISSUED VECTORS TO AVOID. LARGER TURNS WOULD HAVE CORRECTED THE SIT.
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.