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First officer of air carrier widebody transport aircraft deviated from assigned altitude in response to a TCASII RA.
| Attributes | |
| ACN | 219170 |
| Time | |
| Date | 199208 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : lax |
| State Reference | CA |
| Altitude | msl bound lower : 18000 msl bound upper : 18600 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zla |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 3 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | descent other |
| Route In Use | arrival : profile descent arrival other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise other |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 8000 flight time type : 1800 |
| ASRS Report | 219170 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 17000 |
| ASRS Report | 218105 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : took evasive action flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Miss Distance | horizontal : 0 vertical : 400 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Inbound on civet arrival lax. Cleared down to FL180. Approach called traffic. Did not have visually. Altitude for traffic was supposed to be 17500 ft. TCASII alerted. TCASII had traffic at 400 ft below and climbing. TCASII gave a RA climb of 1500 FPM up. We complied. Clear of conflict 18600 MSL. Advised ATC and returned to FL180.
Original NASA ASRS Text
Title: FO OF ACR WDB ACFT DEVIATED FROM ASSIGNED ALT IN RESPONSE TO A TCASII RA.
Narrative: INBOUND ON CIVET ARR LAX. CLRED DOWN TO FL180. APCH CALLED TFC. DID NOT HAVE VISUALLY. ALT FOR TFC WAS SUPPOSED TO BE 17500 FT. TCASII ALERTED. TCASII HAD TFC AT 400 FT BELOW AND CLBING. TCASII GAVE A RA CLB OF 1500 FPM UP. WE COMPLIED. CLR OF CONFLICT 18600 MSL. ADVISED ATC AND RETURNED TO FL180.
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.