But the Singapore-flagged Dali’s crash into the Key Bridge on Tuesday has raised new questions about the risks big ... ships up to only 966 feet long and 107 feet wide, a standard known as Panamax.

The Panamax ships, designated D-types, are a further development of the company's successful 4,229- TEU R-type vessel. Ten of these have been built in Japan, five by Mitsubishi at its Kobe yard.

Bulker owners are in for a tough year, according to shipbroking group Fearnleys, which forecasts zero demand growth for the ...

"Post-Panamax" ships, which include many oil tankers, liquefied natural gas carriers, and bulk carriers, are too big to pass through the canal's lock system. By 2011, 37% of the world's container ...