Colin brings up an interresting point that I had previously clarified with
an FAA inspector a few years ago.  When you have a homebuilt you can do all
of the repairs or modifications weather you built it or not.  The only thing
the repairman certificate gives you is the ability to do the annual
condition inspection.  Also, any A&P can do the condition inspection on an
experimental.  He does not need to be an IA like with a certified airplane.
That means that it generally costs a lot less than an annual on a certified
plane.  So what all this means is that if you are considering buying an
experimental that you can not get the repairman certificate on, don't let
that factor hold you back.  It is nice to have, but you still have 99% of
the advantages of an experimental weather you have the cert or not.

Brian Kraut
Engineering Alternatives, Inc.
www.engalt.com

-----Original Message-----
From: [email protected] [mailto:[email protected]]On
Behalf Of [email protected]
Sent: Tuesday, July 25, 2006 1:43 AM
To: [email protected]
Subject: KR> 51% Rule


Randy
The 51% rule only applies to the actual construction of the kit or aircraft
in question. It is what separates a factory built aircraft kit from an
amateur built kit.

The rules concerning being approved for repairman certificate are left more
on the judgement of the Airworthiness Representative who is conducting the
inspection at the time the certificate is issued. If the aircraft were
complete when purchased but never signed off, and say had been badly stored,
so that the new owner had to perform a great deal of repair work and
replacement of assemblies/rebuild, the DAR or FAA Rep could feel that he has
enough intimate knowledge of the airplane to be awarded a repairman's
certificate. I bought mine with 20 hours of engine running and taxi testing
but no flight time, and no certificate. I built a new seat for it, installed
new lights, radio, transponder, and several other instruments to make it
legal for Day and Night VFR, as well as a little bit safer and more
comfortable, like GPS, and a new pushtube control for the elevator, and dual
sticks.  Although the DAR really liked the changes and felt I had done a
good job, he didn't award me repairman certification because I had not
constructed enough of the original airplane to conduct my own annual
condition inspection. He explained that that did not stop me from repairing
and then test flying the aircraft, but once a year I have to have another
DAR or A&P look over the plane and give it its condition inspection. A small
compromise in the scheme of things.

Colin
N96TA
Ormond Beach, FL


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