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The captain of an air carrier mdt added nose down trim on takeoff roll. This caused a takeoff warning and a takeoff aborted.
| Attributes | |
| ACN | 356593 |
| Time | |
| Date | 199612 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : cos |
| State Reference | CO |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : cfi pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 30 flight time total : 5500 flight time type : 30 |
| ASRS Report | 356593 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | non adherence : published procedure other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : rejected takeoff |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Air carrier flight aborted prior to V1 for a confign warning. We are a new airline with all crew members being low time in aircraft. The PIC was the PF. As we rolled down runway 17L, he applied additional nose down trim. He exceeded the normal operating range -- the green arc. When the confign warning sounded, he aborted the takeoff. We cleared the runway and after checking with dispatch, subsequent departure was uneventful. The PF should not have been trimming during the takeoff roll.
Original NASA ASRS Text
Title: THE CAPT OF AN ACR MDT ADDED NOSE DOWN TRIM ON TKOF ROLL. THIS CAUSED A TKOF WARNING AND A TKOF ABORTED.
Narrative: ACR FLT ABORTED PRIOR TO V1 FOR A CONFIGN WARNING. WE ARE A NEW AIRLINE WITH ALL CREW MEMBERS BEING LOW TIME IN ACFT. THE PIC WAS THE PF. AS WE ROLLED DOWN RWY 17L, HE APPLIED ADDITIONAL NOSE DOWN TRIM. HE EXCEEDED THE NORMAL OPERATING RANGE -- THE GREEN ARC. WHEN THE CONFIGN WARNING SOUNDED, HE ABORTED THE TKOF. WE CLRED THE RWY AND AFTER CHKING WITH DISPATCH, SUBSEQUENT DEP WAS UNEVENTFUL. THE PF SHOULD NOT HAVE BEEN TRIMMING DURING THE TKOF ROLL.
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.