Altitude deviation due to a GPWS alert during cruise.

Attributes
ACN	298022
Time
Date	199503
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : bhm
State Reference	AL
Altitude	msl bound lower : 9000 msl bound upper : 10000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : mkpb
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	climbout : intermediate altitude cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	298022
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : less severe altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	aircraft : equipment problem dissipated controller : issued new clearance none taken : unable
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation other

Narrative:

Level 9000 ft on departure from bhm, GPWS alert sounded to say 'terrain, too low.' took action, climbed and leveled at 10000 ft. No further alerts, landed without incident added note, WX conditions were unstable airmass and icing conditions.

Original NASA ASRS Text

Title: ALTDEV DUE TO A GPWS ALERT DURING CRUISE.

Narrative: LEVEL 9000 FT ON DEP FROM BHM, GPWS ALERT SOUNDED TO SAY 'TERRAIN, TOO LOW.' TOOK ACTION, CLBED AND LEVELED AT 10000 FT. NO FURTHER ALERTS, LANDED WITHOUT INCIDENT ADDED NOTE, WX CONDITIONS WERE UNSTABLE AIRMASS AND ICING CONDITIONS.

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.