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Old 03-11-2008 | 09:17 PM
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PatternPilot
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Default Sound limits
Hey Guys,

I have a question, We are putting some sounds requirments together for our field. Is there any current standard by AMA or IMAC for the large planes. We use 90 db at 25 feet for the glow planes.

any info or links would be great.

Thank you

Scott
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