<< >> NASA ASRS Report 358492, December 1996

SW3 had deferred stabilizer position indicator by radio with maintenance. On takeoff, takeoff warning sounded resulting in abort.

Attributes
ACN	358492
Time
Date	199612
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : dtw
State Reference	MI
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air taxi
Make Model Name	Merlin III
Operating Under FAR Part	Part 135
Navigation In Use	Other Other
Flight Phase	climbout : takeoff ground : preflight other
Flight Plan	IFR
Person 1
Affiliation	company : air taxi
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 4600 flight time type : 500
ASRS Report	358492
Person 2
Affiliation	company : air taxi
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : rejected takeoff
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

I was captain on flight to be operated between dtw and crw. My first officer and I accepted the aircraft as per our company acceptance check procedures. After starting both engines we noticed that the stabilizer position indicator was not functioning properly. I called company maintenance. Following the MEL and company procedures, the stabilizer position indicator was deferred over the radio. A normal takeoff was attempted but when the power levers were advanced the out of trim horn sounded. The takeoff was aborted. Observations: 1) a better procedure would have been to shut down the engines and have company maintenance check the operation of the system in question. 2) my desire as captain to see that the flight safely continued to its destination was compromised by decision to allow the trim indicator to be deferred over the radio as the flight was leaving a maintenance base.

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Original NASA ASRS Text

Title: SW3 HAD DEFERRED STABILIZER POS INDICATOR BY RADIO WITH MAINT. ON TKOF, TKOF WARNING SOUNDED RESULTING IN ABORT.

Narrative: I WAS CAPT ON FLT TO BE OPERATED BTWN DTW AND CRW. MY FO AND I ACCEPTED THE ACFT AS PER OUR COMPANY ACCEPTANCE CHK PROCS. AFTER STARTING BOTH ENGS WE NOTICED THAT THE STABILIZER POS INDICATOR WAS NOT FUNCTIONING PROPERLY. I CALLED COMPANY MAINT. FOLLOWING THE MEL AND COMPANY PROCS, THE STABILIZER POS INDICATOR WAS DEFERRED OVER THE RADIO. A NORMAL TKOF WAS ATTEMPTED BUT WHEN THE PWR LEVERS WERE ADVANCED THE OUT OF TRIM HORN SOUNDED. THE TKOF WAS ABORTED. OBSERVATIONS: 1) A BETTER PROCEDURE WOULD HAVE BEEN TO SHUT DOWN THE ENGS AND HAVE COMPANY MAINT CHK THE OP OF THE SYS IN QUESTION. 2) MY DESIRE AS CAPT TO SEE THAT THE FLT SAFELY CONTINUED TO ITS DEST WAS COMPROMISED BY DECISION TO ALLOW THE TRIM INDICATOR TO BE DEFERRED OVER THE RADIO AS THE FLT WAS LEAVING A MAINT BASE.

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.