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An IFR and a VFR aircraft passed very close to one another. Both aircraft were at the same altitude before evasive action was taken by the large transport.
| Attributes | |
| ACN | 169650 |
| Time | |
| Date | 199102 |
| Day | Sat |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : lax |
| State Reference | CA |
| Altitude | msl bound lower : 9600 msl bound upper : 10000 |
| Environment | |
| Flight Conditions | Marginal |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | cruise other |
| Route In Use | arrival star : star enroute airway : zla |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft |
| Flight Phase | cruise other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 14500 flight time type : 650 |
| ASRS Report | 169650 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Experience | flight time last 90 days : 170 flight time total : 5000 flight time type : 1300 |
| ASRS Report | 169511 |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : far other anomaly other other spatial deviation |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other controllera |
| Resolutory Action | flight crew : returned to intended course or assigned course flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 1500 vertical : 400 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We were given civet-2 profile to lax, runway 25L. We were level at 10000' and on a 270 degree heading (vector) by lax ARTCC. Received turn toward 'fuelr', heading 290 degree when ATC controller called 'traffic at 12 O'clock'. At same time, 'TCAS ii' called 'traffic' and showed traffic, level at 12 O'clock. TCAS ii then called 'descend, descend now', first officer flying pushed over and as we passed 9600' saw traffic go overhead at 10000', 12-1 O'clock, less than 1/4 mi. We advised ATC of our actions, then climbed back to 10000', we were sent to lax approach. Then approached and landed normally.
Original NASA ASRS Text
Title: AN IFR AND A VFR ACFT PASSED VERY CLOSE TO ONE ANOTHER. BOTH ACFT WERE AT THE SAME ALT BEFORE EVASIVE ACTION WAS TAKEN BY THE LGT.
Narrative: WE WERE GIVEN CIVET-2 PROFILE TO LAX, RWY 25L. WE WERE LEVEL AT 10000' AND ON A 270 DEG HDG (VECTOR) BY LAX ARTCC. RECEIVED TURN TOWARD 'FUELR', HDG 290 DEG WHEN ATC CTLR CALLED 'TFC AT 12 O'CLOCK'. AT SAME TIME, 'TCAS II' CALLED 'TFC' AND SHOWED TFC, LEVEL AT 12 O'CLOCK. TCAS II THEN CALLED 'DSND, DSND NOW', F/O FLYING PUSHED OVER AND AS WE PASSED 9600' SAW TFC GO OVERHEAD AT 10000', 12-1 O'CLOCK, LESS THAN 1/4 MI. WE ADVISED ATC OF OUR ACTIONS, THEN CLBED BACK TO 10000', WE WERE SENT TO LAX APCH. THEN APCHED AND LANDED NORMALLY.
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.