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An arriving B737 encounters wake turbulence from a preceding MD11 at 4500 ft inbound to lax. The reporter claims that personal injuries to an unknown number of people were reported. Standard separation was maintained between the aircraft.
| Attributes | |
| ACN | 372995 |
| Time | |
| Date | 199707 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : lax |
| State Reference | CA |
| Altitude | msl bound lower : 4500 msl bound upper : 4500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : lax tower : cle |
| Operator | common carrier : air carrier |
| Make Model Name | MD-11 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | descent : approach |
| Route In Use | arrival other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | arrival other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Experience | controller military : 4 controller non radar : 5 controller radar : 7 flight time total : 2100 |
| ASRS Report | 372995 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | inflight encounter other other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact none taken : unable |
| Consequence | other Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
B737 following an MD11 inbound to lax encountered severe wake turbulence resulting in personal injuries to an unknown number of persons aboard the B737. I was training on the downey radar position when this happened. To the best of my knowledge, there was never a loss of separation.
Original NASA ASRS Text
Title: AN ARRIVING B737 ENCOUNTERS WAKE TURB FROM A PRECEDING MD11 AT 4500 FT INBOUND TO LAX. THE RPTR CLAIMS THAT PERSONAL INJURIES TO AN UNKNOWN NUMBER OF PEOPLE WERE RPTED. STANDARD SEPARATION WAS MAINTAINED BTWN THE ACFT.
Narrative: B737 FOLLOWING AN MD11 INBOUND TO LAX ENCOUNTERED SEVERE WAKE TURB RESULTING IN PERSONAL INJURIES TO AN UNKNOWN NUMBER OF PERSONS ABOARD THE B737. I WAS TRAINING ON THE DOWNEY RADAR POS WHEN THIS HAPPENED. TO THE BEST OF MY KNOWLEDGE, THERE WAS NEVER A LOSS OF SEPARATION.
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.