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A CL65 stall warning system failed on takeoff and fully activated even with the aircraft in a safe flight mode.
| Attributes | |
| ACN | 644574 |
| Time | |
| Date | 200501 |
| Place | |
| Locale Reference | airport : zzzz.airport |
| State Reference | FO |
| Altitude | agl single value : 10 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : zzzz.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet CL65 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : takeoff |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 10000 flight time type : 900 |
| ASRS Report | 644574 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : stall warning |
| Resolutory Action | flight crew : declared emergency flight crew : landed in emergency condition |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
Aircraft had been written up for a 'stall fail' message twice in the last 24 hours. On takeoff; when we lifted off; the stall warning system engaged aural and shaker. Aircraft was flying with no problems. Crew declared an emergency and returned to ZZZ1 without further problems. Crew performed checklist for problem and no damage to aircraft nor injury to passenger.
Original NASA ASRS Text
Title: A CL65 STALL WARNING SYS FAILED ON TKOF AND FULLY ACTIVATED EVEN WITH THE ACFT IN A SAFE FLT MODE.
Narrative: ACFT HAD BEEN WRITTEN UP FOR A 'STALL FAIL' MESSAGE TWICE IN THE LAST 24 HRS. ON TKOF; WHEN WE LIFTED OFF; THE STALL WARNING SYS ENGAGED AURAL AND SHAKER. ACFT WAS FLYING WITH NO PROBS. CREW DECLARED AN EMER AND RETURNED TO ZZZ1 WITHOUT FURTHER PROBS. CREW PERFORMED CHKLIST FOR PROB AND NO DAMAGE TO ACFT NOR INJURY TO PAX.
Data retrieved from NASA's ASRS site as of January 2009 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.