American Airlines flight 5342 was estimated at 400 feet off the ground and traveling at about 140 miles per hour when it suffered a rapid loss of altitude over the Potomac River, according to data ...

How deep and wide is the Potomac River? The Potomac River is 8 feet deep and between a half a mile and 1.1 miles wide near the site of the crash. At about 8:50 p.m. on Jan. 29, airport officials ...