Air carrier flight crew experience runway excursion due to uncontrollable turn during takeoff roll.

Attributes
ACN	464240
Time
Date	200002
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ipl.airport
State Reference	CA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Brasilia EMB-120 All Series
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 : atp
Experience	flight time last 90 days : 170 flight time total : 4000 flight time type : 1000
ASRS Report	464240
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : multi engine pilot : instrument
Events
Anomaly	aircraft equipment problem : critical excursion : runway other anomaly
Independent Detector	other flight crewa other flight crewb
Resolutory Action	none taken : unable
Supplementary
Problem Areas	Flight Crew Human Performance Aircraft
Primary Problem	Ambiguous

Narrative:

On takeoff roll on runway 32 at imperial, ca, (ipl) the aircraft made a sharp left turn and exited the runway before the flight crew could bring the aircraft to a stop.

Original NASA ASRS Text

Title: ACR FLC EXPERIENCE RWY EXCURSION DUE TO UNCONTROLLABLE TURN DURING TKOF ROLL.

Narrative: ON TKOF ROLL ON RWY 32 AT IMPERIAL, CA, (IPL) THE ACFT MADE A SHARP L TURN AND EXITED THE RWY BEFORE THE FLC COULD BRING THE ACFT TO A STOP.

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.