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Flight crew of a widebody transport air carrier aircraft descended below assigned approach altitude in response to a TCASII RA.
| Attributes | |
| ACN | 252894 |
| Time | |
| Date | 199309 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : lax |
| State Reference | CA |
| Altitude | msl bound lower : 2300 msl bound upper : 2500 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : lax |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 3 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | cruise other descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 210 flight time total : 2000 |
| ASRS Report | 252894 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| 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 |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
RA to descend more than 1000 FPM -- assigned 2500 ft, descended to 2300 ft and RA cleared. ATC advised and climbed back to 2500 ft -- no traffic seen.
Original NASA ASRS Text
Title: FLC OF A WDB ACR ACFT DSNDED BELOW ASSIGNED APCH ALT IN RESPONSE TO A TCASII RA.
Narrative: RA TO DSND MORE THAN 1000 FPM -- ASSIGNED 2500 FT, DSNDED TO 2300 FT AND RA CLRED. ATC ADVISED AND CLBED BACK TO 2500 FT -- NO TFC SEEN.
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.