A320 captain reports GPWS warning during visual approach runway 28L at pit and go around.

Attributes
ACN	805128
Time
Date	200809
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : pit.airport
State Reference	PA
Altitude	msl single value : 2500
Aircraft 1
Controlling Facilities	tower : pit.tower tower : chs.tower
Operator	common carrier : air carrier
Make Model Name	A320
Operating Under FAR Part	Part 121
Flight Phase	descent : approach landing : go around
Route In Use	approach : visual
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 240 flight time total : 10750 flight time type : 7380
ASRS Report	805128
Events
Independent Detector	aircraft equipment : gpws
Resolutory Action	controller : issued new clearance flight crew : executed go around
Supplementary
Problem Areas	Flight Crew Human Performance Airport
Primary Problem	Flight Crew Human Performance

Narrative:

On a right base for runway 28L pit; about 3/4 mi from final and 4 mi from the runway at about 2500 ft MSL in landing confign flaps 3 degrees with about 200-300 FPM descent rate; we got a GPWS warning 'terrain pull up' one time; and executed a go around. Tower assigned us an altitude; left for downwind and we made a full stop landing. This was day 4 of a 5 day trip; leg 4 for the day.

Original NASA ASRS Text

Title: A320 CAPT REPORTS GPWS WARNING DURING VISUAL APPROACH RWY 28L AT PIT AND GAR.

Narrative: ON A R BASE FOR RWY 28L PIT; ABOUT 3/4 MI FROM FINAL AND 4 MI FROM THE RWY AT ABOUT 2500 FT MSL IN LNDG CONFIGN FLAPS 3 DEGS WITH ABOUT 200-300 FPM DSCNT RATE; WE GOT A GPWS WARNING 'TERRAIN PULL UP' ONE TIME; AND EXECUTED A GAR. TWR ASSIGNED US AN ALT; L FOR DOWNWIND AND WE MADE A FULL STOP LNDG. THIS WAS DAY 4 OF A 5 DAY TRIP; LEG 4 FOR THE DAY.

Data retrieved from NASA's ASRS site as of May 2009 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.