Updated On: 22 July, 2018 09:46 AM IST | Jefferson City | Agencies
Ride the Ducks International, did not respond to a request for comment. A decades old report by the National Transportation Safety Board (NTSB) said duck boats' canopy roof contributed to the 13 deaths in the 1999 incident, on Lake Hamilton in Arkans

Nine of the victims were from the same family. Pic/AFP
The drownings of 17 people when a "duck boat" in which they were riding sank in a storm over a Missouri lake on Thursday was reminiscent of an accident involving the amphibious tourist vessel in 1999 in which 13 people died.
Authorities were investigating on Friday how the boat capsized and the cause of the deaths, on Table Rock Lake near the tourist destination of Branson during a storm. A Philadelphia lawyer who has advocated for victims of other duck boat disasters said the canopy roof on duck boats turned them into a "death trap" even for anyone wearing a life preserver.