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Close proximity air carrier medium large transport at 11,200' and GA small aircraft opposite direction at 11,000'.
| Attributes | |
| ACN | 126286 |
| Time | |
| Date | 198910 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : ehf airport : bfl |
| State Reference | CA |
| Altitude | msl bound lower : 11000 msl bound upper : 12000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dawn |
| Aircraft 1 | |
| Controlling Facilities | tracon : bfl |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 210 flight time total : 12500 flight time type : 1505 |
| ASRS Report | 126286 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : commercial pilot : flight engineer pilot : instrument |
| Experience | flight time last 90 days : 200 flight time total : 4000 flight time type : 1200 |
| ASRS Report | 126278 |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 1000 vertical : 200 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
After takeoff from bfl we were cleared to 9000' and a heading of 160 degree. We were later cleared to 11,000' and a heading of 120 degree. We broke out on top between 9000 and 10,000. After reaching 11,000 the controller hesitated like he wanted us to level off at a lower altitude. He then cleared us to 12,000 and called out traffic at 11,000, 12 O'clock 5 mi. The single-engine aircraft took evasive action to our left and his right using between 45 and 60 degree of bank in a level turn. We were passing 11,200 when he passed off our left wingtip at approximately 1000' lateral separation.
Original NASA ASRS Text
Title: CLOSE PROX ACR MLG AT 11,200' AND GA SMA OPPOSITE DIRECTION AT 11,000'.
Narrative: AFTER TKOF FROM BFL WE WERE CLRED TO 9000' AND A HDG OF 160 DEG. WE WERE LATER CLRED TO 11,000' AND A HDG OF 120 DEG. WE BROKE OUT ON TOP BETWEEN 9000 AND 10,000. AFTER REACHING 11,000 THE CTLR HESITATED LIKE HE WANTED US TO LEVEL OFF AT A LOWER ALT. HE THEN CLRED US TO 12,000 AND CALLED OUT TFC AT 11,000, 12 O'CLOCK 5 MI. THE SINGLE-ENGINE ACFT TOOK EVASIVE ACTION TO OUR LEFT AND HIS RIGHT USING BETWEEN 45 AND 60 DEG OF BANK IN A LEVEL TURN. WE WERE PASSING 11,200 WHEN HE PASSED OFF OUR LEFT WINGTIP AT APPROX 1000' LATERAL SEPARATION.
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.