This seems to be the latest and greatest news and title description I've been able to ascertain.
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Other Museums and For-profit Ships.
Baltimore & Chesapeake Steamboat Co.
P.O. Box 9690
Baldwin, Maryland 21013
Robert Pratt, Director of Marketing and Web Site Manager

The organization operates the tug Baltimore, a 1906 tugboat. This is the oldest operating steam-powered, coal-fired tugboat in the USA.

Source: Historic Naval Ships Association (see link below)

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So, B&CSC Marketing Director Robert Pratt seems to be your point main for fielding your questions.

His E-wire call is listed many times on this forum

Let us know what you hear Bob. We're all as curious to know how the August Baltimore Tugfest is shaping up.

Walt