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For light sport aircraft, the aircraft manufacturer controls the design and who can maintain it.


light sport aircraft with maintenance rating is only required to attend a 120 hour course. As a result, the maintenance items approved for these aircraft are limited to the scope that someone with only 120 hours of training can perform. Some of the manuals have significantly more items listed, but the manual limits the certification level and training required to perform them. §65.85 and §65.87 were amended to say that for SLSA, major repairs and alterations can only be performed and returned to service if the manufacturer authorizes these repairs and alterations. It also eliminates the ability to supervise someone else performing these functions. Keep in mind that the aircraft manufacturer controls the design and who can maintain it. FAA merely accepts this. Some of the new LSA aircraft being developed are equipped with type certified engines or propellers. This brings about an interesting regulatory dilemma. Airworthiness Directives are not issued against light sport aircraft, yet TC’d products may be installed in them. If an AD is issued against the engine installed in an SLSA, we as mechanics aren’t authorized to perform the tasks or inspections required by the AD until the aircraft manufacturer adds the content of the AD to the maintenance documentation, yet operation of aircraft with the TC’d product not in compliance with an AD is a violation of Part 39.


Aviation Maintenance | avmain-mag.com | June / July 2011 39


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