Cpr small transport altitude deviation caused by runaway electric trim.

Attributes
ACN	195398
Time
Date	199111
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : phk
State Reference	FL
Altitude	msl bound lower : 4000 msl bound upper : 4400
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Controlling Facilities	artcc : zma
Operator	general aviation : corporate
Make Model Name	Small Transport
Flight Phase	climbout : intermediate altitude cruise other
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 600 flight time total : 1600 flight time type : 100
ASRS Report	195398
Person 2
Affiliation	Other
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : critical altitude deviation : overshoot non adherence : clearance
Independent Detector	other controllera other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation

Narrative:

Runway trim caused 400 ft plus altitude deviation and was observed by center controller before the circuit breaker could be located to disable electric trim.

Original NASA ASRS Text

Title: CPR SMT ALTDEV CAUSED BY RUNAWAY ELECTRIC TRIM.

Narrative: RWY TRIM CAUSED 400 FT PLUS ALTDEV AND WAS OBSERVED BY CENTER CTLR BEFORE THE CIRCUIT BREAKER COULD BE LOCATED TO DISABLE ELECTRIC TRIM.

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.