Light transport flight crew experiences faulty GPWS alert. Altitude deviation.

Attributes
ACN	260066
Time
Date	199312
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : crw
State Reference	WV
Altitude	msl bound lower : 3000 msl bound upper : 3500
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Controlling Facilities	tracon : crw
Operator	common carrier : air carrier
Make Model Name	Light Transport
Navigation In Use	Other Other
Flight Phase	descent : approach
Route In Use	enroute : direct
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 250 flight time total : 6000 flight time type : 250
ASRS Report	260066
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : returned to intended course or assigned course flight crew : overcame equipment problem
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Assigned 3000 ft by crw approach. Cloud heights varied along with varying visibility. GPWS issued terrain warning. Initiated climb. Verified minimum vectoring altitude with charleston approach. Returned to assigned altitude.

Original NASA ASRS Text

Title: LTT FLC EXPERIENCES FAULTY GPWS ALERT. ALTDEV.

Narrative: ASSIGNED 3000 FT BY CRW APCH. CLOUD HEIGHTS VARIED ALONG WITH VARYING VISIBILITY. GPWS ISSUED TERRAIN WARNING. INITIATED CLB. VERIFIED MINIMUM VECTORING ALT WITH CHARLESTON APCH. RETURNED TO ASSIGNED ALT.

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.