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2 flight attendants are injured during a temporary loss of aircraft control when a B737 flight runs into severe turbulence descending from FL260 to FL240 at knols intersection, ca.
| Attributes | |
| ACN | 565547 |
| Time | |
| Date | 200211 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | intersection : knols |
| State Reference | CA |
| Altitude | msl single value : 26000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zoa.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | descent : approach |
| Route In Use | arrival star : hyp |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 150 flight time total : 16000 flight time type : 1600 |
| ASRS Report | 565134 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : atp pilot : commercial pilot : flight engineer pilot : instrument pilot : multi engine |
| Experience | flight time last 90 days : 181 flight time total : 4500 flight time type : 1898 |
| ASRS Report | 565136 |
| Events | |
| Anomaly | cabin event other inflight encounter : turbulence other anomaly other anomaly |
| Independent Detector | other flight crewa other flight crewb other other : 4-5 |
| Resolutory Action | flight crew : regained aircraft control flight crew : declared emergency flight crew : exited adverse environment flight crew : landed in emergency condition |
| Consequence | other other other Other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Cabin Crew Human Performance Airspace Structure ATC Human Performance Weather |
| Primary Problem | Weather |
Narrative:
Severe turbulence encountered over knols intersection at FL260 while on arrival into sjc. Uncontrollable pitch, roll, and airspeed encountered for 15-20 seconds. Flight attendant #2 received multiple facial and scalp lacerations and possible bone fractures. Flight attendant #4 received possible injuries of unknown extent. No passenger injuries were reported. Aircraft landed uneventfully at sjc and was met by paramedics. PIREPS were filed with ATC, dispatch, and maintenance. Initial inspections revealed no damage to aircraft.
Original NASA ASRS Text
Title: 2 FLT ATTENDANTS ARE INJURED DURING A TEMPORARY LOSS OF ACFT CTL WHEN A B737 FLT RUNS INTO SEVERE TURB DSNDING FROM FL260 TO FL240 AT KNOLS INTXN, CA.
Narrative: SEVERE TURB ENCOUNTERED OVER KNOLS INTXN AT FL260 WHILE ON ARR INTO SJC. UNCTLABLE PITCH, ROLL, AND AIRSPD ENCOUNTERED FOR 15-20 SECONDS. FLT ATTENDANT #2 RECEIVED MULTIPLE FACIAL AND SCALP LACERATIONS AND POSSIBLE BONE FRACTURES. FLT ATTENDANT #4 RECEIVED POSSIBLE INJURIES OF UNKNOWN EXTENT. NO PAX INJURIES WERE RPTED. ACFT LANDED UNEVENTFULLY AT SJC AND WAS MET BY PARAMEDICS. PIREPS WERE FILED WITH ATC, DISPATCH, AND MAINT. INITIAL INSPECTIONS REVEALED NO DAMAGE TO ACFT.
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.