https://asn.flightsafety.org/wikibase/389790
The aircraft, an Experimental Leon P Archambault RV-6A, Registration (*unconfirmed) N715PA, sustained undetermined damage subsequent to impact with the waters of the Merrimack River during an apparent ditching while in a right traffic pattern to Runway 23 at Lawrence Municipal Airport (LWM/KLWM), Lawrence, Massachusetts. Condition of the sole pilot onboard the single-engine Amateur Built airplane has not been confirmed.

