Air carrier X radar vectored below MVA. System error.

Attributes
ACN	274918
Time
Date	199406
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : lax
State Reference	CA
Altitude	msl bound lower : 2000 msl bound upper : 2000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : lax tower : lax
Operator	common carrier : air carrier
Make Model Name	Merlin III
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : departure
Qualification	controller : radar
Experience	controller radar : 10
ASRS Report	274918
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	other spatial deviation
Independent Detector	aircraft equipment other aircraft equipment : unspecified other controllera
Resolutory Action	controller : issued new clearance other
Consequence	faa : investigated
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Air carrier X, southwest 3, departed los angeles going to san diego. He was visual on a preceding BA32. X given climb to 9000 ft. BA32 climbing to 13000 ft. Sector was very busy. X given a turn to 130 degrees, BA32 turn to 110 degrees. Numerous xmissions to other aircraft given. Data blocks were overlapped, by the time they split up X was very near palos verdes at 2000 ft (MOA 2600). I told X to maintain 9000 ft and turn right heading 180 degrees. Pilot answered with he had a terrain warning and asked me to repeat. I repeated and he followed instructions. I told supervisor on duty about situation.

Original NASA ASRS Text

Title: ACR X RADAR VECTORED BELOW MVA. SYS ERROR.

Narrative: ACR X, SW 3, DEPARTED LOS ANGELES GOING TO SAN DIEGO. HE WAS VISUAL ON A PRECEDING BA32. X GIVEN CLB TO 9000 FT. BA32 CLBING TO 13000 FT. SECTOR WAS VERY BUSY. X GIVEN A TURN TO 130 DEGS, BA32 TURN TO 110 DEGS. NUMEROUS XMISSIONS TO OTHER ACFT GIVEN. DATA BLOCKS WERE OVERLAPPED, BY THE TIME THEY SPLIT UP X WAS VERY NEAR PALOS VERDES AT 2000 FT (MOA 2600). I TOLD X TO MAINTAIN 9000 FT AND TURN RIGHT HDG 180 DEGS. PLT ANSWERED WITH HE HAD A TERRAIN WARNING AND ASKED ME TO REPEAT. I REPEATED AND HE FOLLOWED INSTRUCTIONS. I TOLD SUPVR ON DUTY ABOUT SIT.

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.