Altitude deviation altitude excursion after GPWS alert.

Attributes
ACN	297931
Time
Date	199503
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : hsv
State Reference	AL
Altitude	msl bound lower : 9000 msl bound upper : 10000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : hsv
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	297931
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : less severe altitude deviation : excursion from assigned altitude inflight encounter : weather non adherence : clearance other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation

Narrative:

GPWS alert altitude deviation at 9000 ft in rain and icing conditions, we experienced an aural GPWS alert -- terrain -- too low. We executed a climb to 10000 ft and immediately advised ATC. No further alerts landed without incident.

Original NASA ASRS Text

Title: ALTDEV ALT EXCURSION AFTER GPWS ALERT.

Narrative: GPWS ALERT ALTDEV AT 9000 FT IN RAIN AND ICING CONDITIONS, WE EXPERIENCED AN AURAL GPWS ALERT -- TERRAIN -- TOO LOW. WE EXECUTED A CLB TO 10000 FT AND IMMEDIATELY ADVISED ATC. NO FURTHER ALERTS LANDED WITHOUT INCIDENT.

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.