Narrative:

We briefed our departure from santa monica airport to include the very strict noise abatement profile. Our company operates out of santa monica semi-regularly, yet I operate out of santa monica more rarely. We have had some difficulty staying within the noise limits at the airport, so I was very 'dialed in' on the procedure to reduce our noise footprint, to protect our company's ability to operate here (smo can ban operators who violate noise levels). I believe, in order for most operators to comply with the unrealistic noise at smo, extreme procedures are used that compromise safety to some degree. Shortly after takeoff, power has to be reduced significantly while a slow V2+10 KTS climb is maintained at only 800-1000 ft AGL. John wayne (sna) has similar restrs, but the noise sensors are set at a more realistic level, allowing a more standard noise abatement profile and 'cutback' climb power level. After we departed santa monica airport, my first officer was distraction by our noise abatement clean up profile and did not advise me, as briefed, to initiate a right hand turn at a specific lax radial, as cleared. I queried him shortly thereafter and began our turn late. Departure control even queried us as we were turning if we had begun the turn. I believe while noise is a concern at smo, the unrealistic constraints present a potential distracting hazard to flight crews operating out of smo.

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Original NASA ASRS Text

Title: A WESTWIND CREW BECAME DISTR ATTEMPTING TO COMPLY WITH A NOISE PROC AT SMO AND FAILED TO CORRECTLY FOLLOW DEP PROC CLRNC.

Narrative: WE BRIEFED OUR DEP FROM SANTA MONICA ARPT TO INCLUDE THE VERY STRICT NOISE ABATEMENT PROFILE. OUR COMPANY OPERATES OUT OF SANTA MONICA SEMI-REGULARLY, YET I OPERATE OUT OF SANTA MONICA MORE RARELY. WE HAVE HAD SOME DIFFICULTY STAYING WITHIN THE NOISE LIMITS AT THE ARPT, SO I WAS VERY 'DIALED IN' ON THE PROC TO REDUCE OUR NOISE FOOTPRINT, TO PROTECT OUR COMPANY'S ABILITY TO OPERATE HERE (SMO CAN BAN OPERATORS WHO VIOLATE NOISE LEVELS). I BELIEVE, IN ORDER FOR MOST OPERATORS TO COMPLY WITH THE UNREALISTIC NOISE AT SMO, EXTREME PROCS ARE USED THAT COMPROMISE SAFETY TO SOME DEGREE. SHORTLY AFTER TKOF, PWR HAS TO BE REDUCED SIGNIFICANTLY WHILE A SLOW V2+10 KTS CLB IS MAINTAINED AT ONLY 800-1000 FT AGL. JOHN WAYNE (SNA) HAS SIMILAR RESTRS, BUT THE NOISE SENSORS ARE SET AT A MORE REALISTIC LEVEL, ALLOWING A MORE STANDARD NOISE ABATEMENT PROFILE AND 'CUTBACK' CLB PWR LEVEL. AFTER WE DEPARTED SANTA MONICA ARPT, MY FO WAS DISTR BY OUR NOISE ABATEMENT CLEAN UP PROFILE AND DID NOT ADVISE ME, AS BRIEFED, TO INITIATE A R HAND TURN AT A SPECIFIC LAX RADIAL, AS CLRED. I QUERIED HIM SHORTLY THEREAFTER AND BEGAN OUR TURN LATE. DEP CTL EVEN QUERIED US AS WE WERE TURNING IF WE HAD BEGUN THE TURN. I BELIEVE WHILE NOISE IS A CONCERN AT SMO, THE UNREALISTIC CONSTRAINTS PRESENT A POTENTIAL DISTRACTING HAZARD TO FLT CREWS OPERATING OUT OF SMO.

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.