A near runway incursion when a departure emb 120 is given takeoff clearance on runway 25R after a taxiing A310 was cleared to cross by the tower controller at lax, ca.

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Attributes
ACN	556788
Time
Date	200208
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : lax.airport
State Reference	CA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	A310
Operating Under FAR Part	Part 121
Flight Phase	ground : taxi
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tower : lax.tower
Operator	common carrier : air carrier
Make Model Name	Brasilia EMB-120 All Series
Operating Under FAR Part	Part 121
Flight Phase	ground : takeoff roll
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 120 flight time total : 15000
ASRS Report	556788
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	conflict : ground less severe incursion : runway non adherence : published procedure non adherence : required legal separation other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : took precautionary avoidance action other
Consequence	faa : reviewed incident with flight crew Other
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Intra Facility Coordination Failure

Narrative:

While holding short of lax runway 25L at taxiway F, lax tower (120.95) cleared us to cross both runways 25L and 25R on taxiway F. First officer transmitted this clearance to lax tower as a repeat back. I, in turn, stated the same clearance in the cockpit to assure my first officer that I understood the clearance. As we crossed the first runway (runway 25L), a twin propeller commuter was taxiing onto runway 25R. As I commented to my first officer to watch this aircraft for movement, lax tower cleared him for takeoff. We held our position short of runway 25R on taxiway F and advised lax tower what just happened. The controller stated she was unaware that we had been cleared to cross runway 25R. She apologized for her error.

Original NASA ASRS Text

Title: A NEAR RWY INCURSION WHEN A DEP EMB 120 IS GIVEN TKOF CLRNC ON RWY 25R AFTER A TAXIING A310 WAS CLRED TO CROSS BY THE TWR CTLR AT LAX, CA.

Narrative: WHILE HOLDING SHORT OF LAX RWY 25L AT TXWY F, LAX TWR (120.95) CLRED US TO CROSS BOTH RWYS 25L AND 25R ON TXWY F. FO XMITTED THIS CLRNC TO LAX TWR AS A REPEAT BACK. I, IN TURN, STATED THE SAME CLRNC IN THE COCKPIT TO ASSURE MY FO THAT I UNDERSTOOD THE CLRNC. AS WE CROSSED THE FIRST RWY (RWY 25L), A TWIN PROP COMMUTER WAS TAXIING ONTO RWY 25R. AS I COMMENTED TO MY FO TO WATCH THIS ACFT FOR MOVEMENT, LAX TWR CLRED HIM FOR TKOF. WE HELD OUR POS SHORT OF RWY 25R ON TXWY F AND ADVISED LAX TWR WHAT JUST HAPPENED. THE CTLR STATED SHE WAS UNAWARE THAT WE HAD BEEN CLRED TO CROSS RWY 25R. SHE APOLOGIZED FOR HER ERROR.

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.