Documentary sourced funnel / assumed flag composite

U97’s funnel comes from Coastal Ships & Ferries 1999. That source does not give a flag; Rosanoski assumes the company flag also applies.

The United Marine Dredging funnel is sourced separately. The flag is explicitly assumed; shared parent/subsidiary flag use and use of the complete composite are not established.

Flag shared-use unproved; do not assert composite verified aboard.