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ifr props, was IFR GPS requirements

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aerobubba(at)earthlink.ne
Guest

Posted: Thu Jan 17, 2008 6:11 am Post subject: ifr props, was IFR GPS requirements

Hi Bret-



RE:  ... aircraft with "composite props" could not be 

certified for IFR flights. 



2 of the 3 prop driven airliners I've flown in the past had composite

props.  I suspect someone has gotten something crossed up somewhere.



glen matejcek

aerobubba(at)earthlink.net

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Bret Smith

Joined: 09 Jan 2006
Posts: 178
Location: Mineral Bluff, GA

Posted: Thu Jan 17, 2008 7:57 am Post subject: ifr props, was IFR GPS requirements

Glen, apparently the reference is  in  FAR part 23.867.  It says as follows:



Federal Aviation Regulation



Part 23  AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY  AIRPLANES

Subpart D--Design and  Construction    

Electrical Bonding and Lightning  Protection



Sec. 23.867



[Electrical bonding and protection against  lightning and static electricity.]



(a) The airplane must be protected  against catastrophic effects from lightning.

(b) For metallic components,  compliance with paragraph (a) of this section may be shown by--

(1) Bonding  the components properly to the airframe; or

(2) Designing the components so  that a strike will not endanger the airplane.

(c) For non-metallic  components, compliance with paragraph (a) of this section may be shown  by--

(1) Designing the components to minimize the effect of a strike;  or

(2) Incorporating acceptable means of diverting the resulting electrical  current so as not to endanger the airplane.



Far part 23.1 states the  following:



       

Federal Aviation Regulation



Part 23 AIRWORTHINESS  STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY  AIRPLANES

       

Subpart  A--General              



Sec.  23.1



Applicability.



[(a) This Part prescribes airworthiness  standards for the issue of type certificates, and changes to those certificates,  for airplanes in the normal, utility, acrobatic and commuter categories.]

(b)  Each person who applies under Part 21 for such a certificate or change must show  compliance with the applicable requirements of this Part.



Soo...I would not think this applied to experimentals with the special  airworthiness category.

Bret Smith

RV-9A N16BL

Blue  Ridge, Ga

www.FlightInnovations.com



-----Original  Message-----

From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com (owner-rv-list-server(at)matronics.com)]  On Behalf Of glen matejcek

Sent: Thursday, January 17, 2008 9:09 AM

To:  RV-List Digest Server

Subject: RE: ifr props, was IFR GPS  requirements



--> RV-List message posted by: "glen matejcek"  <aerobubba(at)earthlink.net>



Hi Bret-



RE:  ... aircraft  with "composite props" could not be certified for IFR flights.



2 of the 3  prop driven airliners I've flown in the past had composite props.  I  suspect someone has gotten something crossed up somewhere.



glen   Navigator to  Archive  much much  href="http://www.matronics.com/Navigator?RV-List">http://www.matronics.nbsp;               the Web  href="http://forums.matronics.com">http://forums.matronics.com

_-========================nbsp;        generous  bsp;                     href="http://www.matronics.com/contribution">http://www.matronics.com/c=================





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_________________
Bret Smith
RV-9A (Emp)

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