An airbus 320 captain reported that, during departure from sna, following the noise abatement profile, a TCASII RA enunciated twice for a cessna that took off on the parallel runway.

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Attributes
ACN	486819
Time
Date	200009
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : sna.airport
State Reference	CA
Altitude	msl bound lower : 1500 msl bound upper : 2500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : sct.tracon tower : sna.tower
Operator	common carrier : air carrier
Make Model Name	A320
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : initial climbout : takeoff
Route In Use	departure : noise abatement
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tower : sna.tower
Make Model Name	Cessna Aircraft Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	climbout : takeoff climbout : initial
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 85 flight time total : 9000 flight time type : 70
ASRS Report	486819
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	conflict : nmac non adherence : published procedure non adherence : clearance other anomaly other other spatial deviation
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew other
Miss Distance	horizontal : 6000 vertical : 0
Supplementary
Problem Areas	FAA Airport Flight Crew Human Performance ATC Human Performance
Primary Problem	FAA
Situations
Airport	procedure or policy : sna.airport

Narrative:

I was PIC of an airbus 320 from sna-sfo. I took off of runway 19R at sna and performed the noise abatement profile. We received a TA at 1000 ft and 2 descend RA's between 1500 ft and 2500 ft. Intruder aircraft (aircraft #2) was less than 1 mi east of our departure SID track. We never saw it, but responded to the 2 RA's while maximum performing a fully loaded 150000 pound aircraft with 140+ people onboard. I filed a near miss report with socal after the flight. They told me it was a cessna that took off shortly before us on runway 19L and should have been flying a 150 degree heading, diverging from our 175 degree heading. We were not aware of the traffic and, needless to say, very concerned about the near miss. Mixing light aircraft and high performance commercial carriers at santa ana (john wayne) is very dangerous.

Original NASA ASRS Text

Title: AN AIRBUS 320 CAPT RPTED THAT, DURING DEP FROM SNA, FOLLOWING THE NOISE ABATEMENT PROFILE, A TCASII RA ENUNCIATED TWICE FOR A CESSNA THAT TOOK OFF ON THE PARALLEL RWY.

Narrative: I WAS PIC OF AN AIRBUS 320 FROM SNA-SFO. I TOOK OFF OF RWY 19R AT SNA AND PERFORMED THE NOISE ABATEMENT PROFILE. WE RECEIVED A TA AT 1000 FT AND 2 DSND RA'S BTWN 1500 FT AND 2500 FT. INTRUDER ACFT (ACFT #2) WAS LESS THAN 1 MI E OF OUR DEP SID TRACK. WE NEVER SAW IT, BUT RESPONDED TO THE 2 RA'S WHILE MAX PERFORMING A FULLY LOADED 150000 LB ACFT WITH 140+ PEOPLE ONBOARD. I FILED A NEAR MISS RPT WITH SOCAL AFTER THE FLT. THEY TOLD ME IT WAS A CESSNA THAT TOOK OFF SHORTLY BEFORE US ON RWY 19L AND SHOULD HAVE BEEN FLYING A 150 DEG HDG, DIVERGING FROM OUR 175 DEG HDG. WE WERE NOT AWARE OF THE TFC AND, NEEDLESS TO SAY, VERY CONCERNED ABOUT THE NEAR MISS. MIXING LIGHT ACFT AND HIGH PERFORMANCE COMMERCIAL CARRIERS AT SANTA ANA (JOHN WAYNE) IS VERY DANGEROUS.

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.