— Occurred just off Miami Beach at about 2:30 p.m. Monday.
— Witnesses said the plane exploded in flames.
— Amateur video obtained by a cable new network showed the main part of the aircraft slamming into water.
— The video also showed flaming object trailing thick black smoke.
— Carried two crew members and 18 passengers, including three infants.
— Took off at about 2:30 p.m. from Miami.
— Destination: the island of Bimini in the Bahamas.
SEARCH, RECOVERY, RESCUE, WRECKAGE
— Coast Guard said 19 bodies found.
— Scuba divers and rescuers in speedboats struggled to reach the victims,
— As evening fell, no sign that anyone survived.
— Main part of fuselage was submerged in about 35 feet of water.
— Coast Guardsmen and emergency workers wearing protective suits hauled bodies up from rescue boats.
— Law enforcement speedboats, divers and helicopters took part.
— Joined by others in private boats, on personal watercraft and on surfboards.
— Sandy Rodriguez, 14: saw the plane flying low with white smoke trailing from it and flames coming from the bottom.
— Rodriguez says right wing fell off as the plane went down.
— Surfer Maurice D'Giovianna: "It exploded in the air and one of the wings flew out of there."
— D'Giovianni said: "The other part of the plane was on fire and it just went straight down."
— Coast Guard spokesman Dana Warr saw the crash.
—Warr: "Everything looked normal, I saw the aircraft take off like it does every other times.
—Warr: "I didn't think anything of it when I saw the black smoke from the pier, until I then heard the Coast Guard alarms go off."
— Propeller-driven seaplane.
— Twin-engine Grumman G-73T Turbine Mallard.
— Built in 1947.
— FAA records show plane registered to Seaplane Adventures LLC in Greenwich, Conn.
— Clean safety record with no reported incidents for more than 21 years.
— Engines converted from older piston-driven models to turboprops.
— Company says there were upgrades in avionics.
— The National Transportation Safety Board sent a team to investigate.
— FBI sent agents to assist in the investigation if needed.
— FBI says no immediate indication of terrorism or sabotage.
— Federal security official says airline not required to conduct federal security screening of passengers and their luggage.
— Weather: The skies were cloudy, but there was no rain or lightning.
— Plane operated by Chalk's Ocean Airways plane.
— Chalk's Ocean Airways flies between Miami and the Bahamas.
— Uses planes that take off and land on the water.
— Chalk's aircraft have been featured in TV shows such as "Miami Vice."
— Founded by Arthur "Pappy" Chalk in 1919.
— Airline thrived during Prohibition, taking bootleggers, their customers and customs agents to Bimini.
— Airline says most famous regular passenger was Ernest Hemingway who flew to Bimini to go big-game fishing.
— One of its planes was hijacked to Cuba in 1974.
— The company has since had a policy of not carrying enough fuel to get to Havana.
— Past owners have included Resorts International, Donald Trump and Merv Griffin.
— Owner as of 1995 was Seth Atwood of United Capital Corporation of Illinois/Atwood Enterprises.
— Chalk's Website says it operates 17-passenger Turbine Mallards.
— Website says it was in the midst of an "extensive refurbishment" of its airline fleet.
— Company says it was the airline's first accident with a passenger fatality.
— NTSB database indicates no deadly accidents involving passengers for Chalk's since 1982, when the database began.
— Chalk's only crash involving fatalities happened in 1994, when two pilots died in a crash of their seaplane near Key West.