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Rotorcraft Gearbox Regulations: LOL (not what you think)

The European Union’s CS-29 Amendment 7 places more stringent and rigorous testing requirements for certification of Category A type pressurized gearboxes under loss of lubrication conditions compared to the previous regulation.

MARK MICHAUD REM TECHNICAL FELLOW — —REM SURFACE ENGINEERING For more than a decade, one of the most intensively researched subjects in aerospace engineering has been LOL. No, we are not talking about “laughing out loud.” We are talking about a rotorcraft gearbox loss of lubrication event. An…


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