http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgAdvisoryCircular.nsf/0/0ca2845e2aafffbb86256dbf00640cb2/$FILE/AC20-27F.pdf

Above link is for Advisory Circular 65-23A.  This explains registration and 
certification of your plane as well as becoming the repairman for that 
plane.

1.   Here's the definition of "major portion" (I think "major portion" is 
equal to or greater than 51%.)  from AC 65-23A:
[From AC65-23A Appendix 1
Major Portion. When the aircraft is completed, the majority of the 
fabrication and assembly tasks have
been performed by the amateur builder. When you purchase a partially 
completed kit or aircraft, the
major portion includes the construction efforts of the previous amateur 
builders.]

FAR 21.191.(g) is also clear in my view.
[(g) Operating amateur-built aircraft. Operating an aircraft the "major 
portion" of which has been fabricated and assembled by "persons" who 
undertook the construction project solely for their own education or 
recreation.]


Therefore, all the builders' efforts summed must meet at least 51% in order 
to certicate the plane as amateur built.


2.  You must be the "primary builder" to be certified as the repairman. 
(See paragraph 16 of AC 65-23A.)  I didn't find any requirement that the 
applicant for the repairman certificate build 51%, aka majority, of the 
plane in this AC or in the FARs.  One does, however, have to make 
application for the repairman's certificate at time of original 
certification of the aircraft.

My advise is to read the FARs and the Advisory Circulars so you have some 
background information before you ask the FAA or Designee.

Ken Jones, kenbjo...@cinci.rr.com
Sharonville, OH
N5834, aka The Porkopolis Flying Pig


----- Original Message ----- 
From: "Colin & Bev Rainey" <crain...@cfl.rr.com>
To: <kr...@mylist.net>
Sent: Monday, January 17, 2005 6:10 AM
Subject: KR> DAR


> However
> His DAR and mine are saying consistently the same thing and that is that 
> THE APPLICANT for the repairman's certification must have constructed at 
> least 51% of the aircraft in order to qualify for the repairman's 
> certification and allow him to sign off his own annual condition 
> inspection. Only limitation is the sign off. All repairs and maintenance 
> may still be performed by the owner, just not the signoff.
>
> Colin & Beverly Rainey
> Apex Lending, Inc.
> www.eloan2004cr.com
> crai...@apexlending.com
> 407-323-6960
> _______________________________________
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