<< >> NASA ASRS Report 354142, November 1996

Scheduled cargo flight makes missed approach in a night operation, IMC, after receiving a GPWS warning.

Attributes
ACN	354142
Time
Date	199611
Day	Tue
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : bhm
State Reference	AL
Altitude	msl bound lower : 2500 msl bound upper : 2500
Environment
Flight Conditions	IMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : bhm
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	descent other landing : missed approach
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 60 flight time total : 5000 flight time type : 300
ASRS Report	354142
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 15 flight time total : 10000 flight time type : 3800
ASRS Report	354143
Events
Anomaly	aircraft equipment problem : less severe other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : exited adverse environment other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

While being vectored for the localizer runway 23 approach at bhm, flight was cleared to 2500 ft MSL 8-9 NM from airport. When we leveled off at 2500 ft MSL a GPWS warning was received (both light and verbal) for 'terrain.' I immediately executed a climb to 4000 ft MSL (the aircraft was IMC and at night). Approach control was notified of the GPWS warning and the climb to 4000 ft MSL immediately. The GPWS was tested after landing at bhm. No problems were found.

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Original NASA ASRS Text

Title: SCHEDULED CARGO FLT MAKES MISSED APCH IN A NIGHT OP, IMC, AFTER RECEIVING A GPWS WARNING.

Narrative: WHILE BEING VECTORED FOR THE LOC RWY 23 APCH AT BHM, FLT WAS CLRED TO 2500 FT MSL 8-9 NM FROM ARPT. WHEN WE LEVELED OFF AT 2500 FT MSL A GPWS WARNING WAS RECEIVED (BOTH LIGHT AND VERBAL) FOR 'TERRAIN.' I IMMEDIATELY EXECUTED A CLB TO 4000 FT MSL (THE ACFT WAS IMC AND AT NIGHT). APCH CTL WAS NOTIFIED OF THE GPWS WARNING AND THE CLB TO 4000 FT MSL IMMEDIATELY. THE GPWS WAS TESTED AFTER LNDG AT BHM. NO PROBS WERE FOUND.

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.