From: "Marvin Kaye" <marv@lancaironline.net>
Subject: Re: [LML] Overhauled Engine now labeled "Experimental Only " ??
To: lml
Date: Fri, 22 Dec 2006 19:25:35 -0500
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Posted for "Jim Auman" <jimauman@comcast.net>:

  If an engine is "continuously" maintained in compliance with all of its
  Type Certificate Data Sheet specs at each "annual" condition inspection
  and logged in the engine's maintenance log then it does not matter if it
  is on an experimental or normally certificated airframe.

  Difference here folks is that only a licenced A&P with Inspection
  Authorization gets to "annual" anything.  Repairmen on Amateur-Built
  airplanes get to condition inspect only.  This point gets lost on many
  airmen debating this subject.

  IA's at each "annual" verify that the powerplant conforms to it's TCDS,
  STC's, and approved field approvals of any mods.

  All of that needs to be seemless; hence, any deviation of an engine, or
  accessory to it, not specifically provided for (above) and "annualed"
  renders the engine experimental and interrupts the "continuous" papertrail
  provision.

  So if you do not posess an Inspection Authorization on your A&P, you must
  have the engine on your experimental torn down and inspected for adherence
  to the manufacturer's specifications and the TCDS if your ever wish to
  return it to the Normally certificated community.

  Of course, returning it to the manufacturer or authorized overhauler will
  do the same thing if proper authorized engine log entries are recorded.

  A Lancairian (with an IA) can keep an engine and prop "annualed" if no
  changes from the TCDS are made during those uses on an experimental
  airframe and proper maintenance log "annual inspection" entries are
  recorded at each condition inspection.


  Jim Auman