I always thought that these were things that you could certify yourself as long as you documented them properly and documented that the appropriate tests were conducted.
See N64KR at http://KR-Builder.org - Then click on the pics There is a time for building and a time for FLYING and the time for building has expired. Daniel R. Heath - Columbia, SC See you in Mt. Vernon - 2005 - KR Gathering -------Original Message------- Change props, or even avionics that changes w/b, and this could hit you. I suppose the electronic ignition ............... Anybody else recertified their airplanes for things like this?