B737 crew receives GPWS terrain warning while being vectored for ILS runway 11 at oak.

Attributes
ACN	721719
Time
Date	200612
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : oak.airport
State Reference	CA
Altitude	msl single value : 4000
Environment
Flight Conditions	IMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : nct.tracon
Operator	common carrier : air carrier
Make Model Name	B737-700
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 172
ASRS Report	721719
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 252
ASRS Report	721940
Events
Anomaly	other anomaly other
Independent Detector	aircraft equipment : gpws other flight crewa
Resolutory Action	controller : issued new clearance flight crew : took precautionary avoidance action
Supplementary
Problem Areas	ATC Human Performance Aircraft
Primary Problem	Aircraft

Narrative:

While being radar vectored to runway 11 level at 4000 ft; we received a terrain; terrain alert. We executed the terrain avoidance maneuver and climbed from 4000 ft to about 5700 ft. We called ATC at the beginning of the event and the controller told us the MVA was 4000 ft for our sector.

Original NASA ASRS Text

Title: B737 CREW RECEIVES GPWS TERRAIN WARNING WHILE BEING VECTORED FOR ILS RWY 11 AT OAK.

Narrative: WHILE BEING RADAR VECTORED TO RWY 11 LEVEL AT 4000 FT; WE RECEIVED A TERRAIN; TERRAIN ALERT. WE EXECUTED THE TERRAIN AVOIDANCE MANEUVER AND CLBED FROM 4000 FT TO ABOUT 5700 FT. WE CALLED ATC AT THE BEGINNING OF THE EVENT AND THE CTLR TOLD US THE MVA WAS 4000 FT FOR OUR SECTOR.

Data retrieved from NASA's ASRS site as of January 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.