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AC 33.83-1

This tag is associated with 2 posts

Vibration Rule – Still In the Works?

We spoke with several FAA policy-makers about the Engine Vibration rule change which had been published and then withdrawn in 2012. The FAA is exploring the reasons for MARPA’s concerns over the now-withdrawn 33.83 vibration rule change. They appear to be working on a new change to the engine vibration rule. Continue reading

New Vibration Standard Appears to Require Full Engine Testing for all Engine PMAs

The FAA has made a change to the rules concerning vibration testing (14 C.F.R. § 33.83). The change would require full engine testing of engine parts that are subject to vibration in the aircraft. Continue reading