On 12/30/2019 the USCG issued a work instruction outlining enforcement guidance related to the verification and testing of overspeed protection by the USCG.
Excerpt from CVC-WI-011(1)
a.Coast Guard Marine Inspectors should continue to verify mechanical engine overspeed deviceoperation as specified per reference (d) Section B, Chapter 1.
b.Verification of the electronic overspeed protection device should be conducted not less thanonce every five years. This test should be conducted in accordance with the manufacturer’stest procedures. Completion of verification shall be recorded in the MISLE narrative.