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Air carrier X TCASII TA RA climb non adherence to ATC clearance evasive action taken from small aircraft Y. Pilot deviation see and avoid concept.
| Attributes | |
| ACN | 208287 |
| Time | |
| Date | 199204 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : lax |
| State Reference | CA |
| Altitude | msl bound lower : 9500 msl bound upper : 10400 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | cruise other |
| Route In Use | enroute : direct enroute airway : lax |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, High Wing, 1 Eng, Fixed Gear |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | approach : visual |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 170 flight time total : 5000 flight time type : 800 |
| ASRS Report | 208287 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 190 flight time total : 17500 flight time type : 190 |
| ASRS Report | 207767 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : clearance |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other controllera |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 6000 vertical : 300 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Air carrier X over arnes intersection arriving into lax at 1000 MSL and cleared for the remainder of the civet 2 into lax. The TCASII TA sounded for an aircraft at -500 vertical and within 5 mi. ATC directed us to maintain 10000 MSL for traffic at 2 O'clock and 3 mi. The TCASII shortly thereafter issued an RA for the previous traffic, which now showed 300 within 3 mi. ATC called traffic at 1 O'clock and 1 mi. I wasn't able to see traffic which we were closing in on rapidly. The captain started a climb on TCASII RA to 10400 to avoid conflict. We notified ATC of deviation and returned to 10000. Continued to normal uneventful landing at lax. We never saw the small aircraft Y traffic at arnes.
Original NASA ASRS Text
Title: ACR X TCASII TA RA CLB NON ADHERENCE TO ATC CLRNC EVASIVE ACTION TAKEN FROM SMA Y. PLTDEV SEE AND AVOID CONCEPT.
Narrative: ACR X OVER ARNES INTXN ARRIVING INTO LAX AT 1000 MSL AND CLRED FOR THE REMAINDER OF THE CIVET 2 INTO LAX. THE TCASII TA SOUNDED FOR AN ACFT AT -500 VERT AND WITHIN 5 MI. ATC DIRECTED US TO MAINTAIN 10000 MSL FOR TFC AT 2 O'CLOCK AND 3 MI. THE TCASII SHORTLY THEREAFTER ISSUED AN RA FOR THE PREVIOUS TFC, WHICH NOW SHOWED 300 WITHIN 3 MI. ATC CALLED TFC AT 1 O'CLOCK AND 1 MI. I WASN'T ABLE TO SEE TFC WHICH WE WERE CLOSING IN ON RAPIDLY. THE CAPT STARTED A CLB ON TCASII RA TO 10400 TO AVOID CONFLICT. WE NOTIFIED ATC OF DEV AND RETURNED TO 10000. CONTINUED TO NORMAL UNEVENTFUL LNDG AT LAX. WE NEVER SAW THE SMA Y TFC AT ARNES.
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.