An air carrier crew approaching las parallel with another air carrier received a TCAS RA. While responding they violated the landing clearance and landed ahead of the other aircraft.

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Attributes
ACN	782099
Time
Date	200805
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : las.airport
State Reference	NV
Altitude	msl single value : 6000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : l30.tracon
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport Low Wing 2 Turbojet Eng
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
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 : 97
ASRS Report	782099
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 220 flight time type : 1573
ASRS Report	782100
Events
Anomaly	conflict : airborne critical non adherence : clearance other spatial deviation
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : exited adverse environment flight crew : took precautionary avoidance action flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	Airport Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Cleared for a visual approach to runway 1L at las on an extended centerline. Another carrier was cleared visually for runway 1R. We see the other carrier and they say he sees us. We both are instructed to maintain visual contact and continue our visual approachs to the parallel runways. We are also asked not to pass the other carrier. The other carrier was traveling east to west on a base leg a few mi ahead and below of our position. The other carrier overshoots runway 1R and causes an RA in our aircraft with a fly up command. We fly up to resolve the RA. The other carrier flies back to runway 1R's centerline and we return to our visual approach from a slightly high position. During our correction back down to the proper glide path; we inadvertently fly out in front of the other carrier and end up landing first on runway 1L with the other carrier shortly behind us on runway 1R.

Original NASA ASRS Text

Title: AN ACR CREW APCHING LAS PARALLEL WITH ANOTHER ACR RECEIVED A TCAS RA. WHILE RESPONDING THEY VIOLATED THE LNDG CLRNC AND LANDED AHEAD OF THE OTHER ACFT.

Narrative: CLRED FOR A VISUAL APCH TO RWY 1L AT LAS ON AN EXTENDED CTRLINE. ANOTHER CARRIER WAS CLRED VISUALLY FOR RWY 1R. WE SEE THE OTHER CARRIER AND THEY SAY HE SEES US. WE BOTH ARE INSTRUCTED TO MAINTAIN VISUAL CONTACT AND CONTINUE OUR VISUAL APCHS TO THE PARALLEL RWYS. WE ARE ALSO ASKED NOT TO PASS THE OTHER CARRIER. THE OTHER CARRIER WAS TRAVELING E TO W ON A BASE LEG A FEW MI AHEAD AND BELOW OF OUR POS. THE OTHER CARRIER OVERSHOOTS RWY 1R AND CAUSES AN RA IN OUR ACFT WITH A FLY UP COMMAND. WE FLY UP TO RESOLVE THE RA. THE OTHER CARRIER FLIES BACK TO RWY 1R'S CTRLINE AND WE RETURN TO OUR VISUAL APCH FROM A SLIGHTLY HIGH POS. DURING OUR CORRECTION BACK DOWN TO THE PROPER GLIDE PATH; WE INADVERTENTLY FLY OUT IN FRONT OF THE OTHER CARRIER AND END UP LNDG FIRST ON RWY 1L WITH THE OTHER CARRIER SHORTLY BEHIND US ON RWY 1R.

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.