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A DC9 on takeoff had #1 stall warning with stick shaker. Crew accomplished company procedure to safe altitude. Crew suspects false warning.
| Attributes | |
| ACN | 450502 |
| Time | |
| Date | 199909 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : tol.airport |
| State Reference | OH |
| Altitude | agl bound lower : 0 agl bound upper : 1000 |
| Environment | |
| Flight Conditions | VMC |
| Weather Elements | Rain |
| Light | Dawn |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : takeoff |
| Route In Use | departure : other published ifr departure |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 14000 flight time type : 100 |
| ASRS Report | 450502 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 300 flight time total : 18000 flight time type : 13000 |
| ASRS Report | 450625 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : #1 stall warning |
| Resolutory Action | flight crew : took precautionary avoidance action |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft Flight Crew Human Performance |
| Primary Problem | Aircraft |
Narrative:
Morning takeoff from toledo express airport as air carrier flight xyz at XA20 on sep/xa/99. Takeoff checklist completed in entirety and cleared for takeoff on runway 25. Captain at controls, uneventful until 'rotate' called and actual rotation begun. Got stall warning with stick shaker. Captain applied firewall power. First officer went to test 1 position on stall warning system to mute same. Stall warning continued, went to stall warning #2 position -- stall warning stopped. No windshear noted (ATIS had winds less than 10 KTS at field quartering headwind). Cleaned up aircraft and proceeded with uneventful climb out and flight. Wrote up stall warning system at pit.
Original NASA ASRS Text
Title: A DC9 ON TKOF HAD #1 STALL WARNING WITH STICK SHAKER. CREW ACCOMPLISHED COMPANY PROC TO SAFE ALT. CREW SUSPECTS FALSE WARNING.
Narrative: MORNING TKOF FROM TOLEDO EXPRESS ARPT AS ACR FLT XYZ AT XA20 ON SEP/XA/99. TKOF CHKLIST COMPLETED IN ENTIRETY AND CLRED FOR TKOF ON RWY 25. CAPT AT CTLS, UNEVENTFUL UNTIL 'ROTATE' CALLED AND ACTUAL ROTATION BEGUN. GOT STALL WARNING WITH STICK SHAKER. CAPT APPLIED FIREWALL PWR. FO WENT TO TEST 1 POS ON STALL WARNING SYS TO MUTE SAME. STALL WARNING CONTINUED, WENT TO STALL WARNING #2 POS -- STALL WARNING STOPPED. NO WINDSHEAR NOTED (ATIS HAD WINDS LESS THAN 10 KTS AT FIELD QUARTERING HEADWIND). CLEANED UP ACFT AND PROCEEDED WITH UNEVENTFUL CLBOUT AND FLT. WROTE UP STALL WARNING SYS AT PIT.
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.