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Posted for AVIDWIZ@aol.com:

> The FAA has issued a Special Notice [Docket No. CE1175; Notice No.
> 23-02-02-SC] that proposes special conditions for the Lancair C40-550FG-E
> airplane, due to its new electronic engine control (FADEC) system. The
> agency claims that the increasing use of high-power radio frequency
> emitters mandates requirements for improved high intensity radiated fields
> (HIRF) protection for electrical and electronic equipment. Since the
> electronic engine control system used on the Lancair, Model LC40-550FG-E,
> will perform critical functions, the agency specifies that provisions for
> protection from the effects of HIRF fields should be considered and, if
> necessary, incorporated into the airplane design data. The FAA claims that
> applicable airworthiness regulations do not contain adequate or appropriate
> safety standards for this design feature. In order to clarify this issue,
> these proposed special conditions contain the additional safety standards
> that the FAA considers necessary to establish a level of safety "equivalent
> to that established by the existing airworthiness standards." Comments on
> this notice must be received on or before April 29, 2002.
>

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