This subject of higher standard has been debated often. The general consensus is no you are not as EVERY captain technically has the same requirements/standard of care on the water.
However, I have finally grown to believe after getting old and wiser, that USCG administrative review, civil law cases and criminal ones can all go in different directions (sometimes strangely so). So there is some merit in thinking the "higher standard" may come into play.
Here is one of many articles on the subject explaining ....
Are Boaters with Coast Guard Licenses Held to a Higher Liability Standard? – The Log.
I say go all in...know so much and have so much experience that you can justify your actions (except gross negligence) to look like you performed the only actions possible. Happened to me once in a civil trial where the lawyers gave up trying to trip up my NAVRULES knowledge and gave up. My boss/ins co. wound up being the only defendants to win their case of multiple defendants.