FORT LAUDERDALE, Fla. -

Coast Guard search Two people are dead after the Coast Guard says a small plane crashed three miles off of Fort Lauderdale's coast Tuesday night.

Multiple agencies searched for two other people who the FAA said were also on board the aircraft. As of early Wednesday morning, they had not been found.

According to a statement released by the FAA, a Mexican-registered Learjet 35 aircraft that departed from Fort Lauderdale-Hollywood International Airport went down in the Atlantic Ocean around 8 p.m.

A Coast Guard representative confirmed that two bodies were found among the debris around 8:45 p.m.

The FAA said two pilots and two passengers were on board the small plane. FAA notified the Coast Guard that the plane went down. It took rescuers 45 minutes to find the debris field.

By 5 a.m. Wednesday, the Coast Guard said the debris field had extended 20 square miles.

LISTEN: Plane crash audio from WPBF

More than 50 rescuers participated in the search and recovery operation.

The medical flight, with a medical crew on board, was heading for Cozumel, Mexico, authorities said.

Watch Local 10 News and refresh Local10.com for updates on this story.

Witness describes Learjet crash off So Fla coast

ABOUT TWO MILES OFF THE COAST. THAT PLANE GOING DOWN NOT FAR OFF THE COAST. RIGHT ALONG THE COAST. AND LORI, THAT SEARCH CONTINUES INTO THE NIGHT. THAT IS THE SEARCH EFFORT THAT IS HAPPENING RIGHT NOW, RIGHT NOW, MULTIPLE COAST GUARD VESSELS FISH AND WILD LIFEBOATS AS WELL AS THE COAST GUARD HELICOPTER, THEY ARE HERE ON SCENE. WE ALSO WANT TO SHOW YOU VIDEO. THEY ARE HELPING OUT, THIS IS VIDEO TAKEN FROM THE BOW OF THEIR BOAT AS THEY SCOOP UP DEBRIS. THIS EFFORT HAS BEEN GOING ON NOW FOR ABOUT 2 1/2 HOURS. AS DORELL MENTIONED IT WAS ABOUT 8:00 WHEN THE LEARJET DEPARTED FROM FT. LAUDERDALE HOLLYWOOD. THE FAA SAYS IT WAS HEADED TO MEXICO, BUT SOON AFTER TAKE OFF, THE PILOT REPORTED MECHANICAL PROBLEMS GOING DOWN ABOUT THREE MILES OFF THE COAST. WE SPOKE TO A MAN THAT MAY HAVE SEEN IT MOMENTS BEFORE IT CRASHES. AND THEN THE COAST GUARD AS YOU CAN SEE DOWN THERE. IT TOOK ABOUT 45 MINUTES TO FIND THE DEBRIS FIELD. THEY WILL WORK BACK INTO THE NIGHT. THIS DEBRIS FIELD, WE ARE TOLD IS ACTUALLY MOVING NORTH. AGAIN, IF YOU LIVE IN FT. LAUDERDALE THAT'S WHAT YOU ARE GOING TO SEE. RESCUE CREWS TELL US THEY WILL CONTINUE TO WORKING INTO THE NIGHT, AND INTO THE MORNING TO FIND THOSE TWO PEOPLE WHO THEY

Sources: Doctor was on board small plane that crashed

BELIEVE ARE STILL OUT THERE. IT'S DESTINATION MEXICO. OUR COVERAGE CONTINUES. HE IS AT THE AIRPORT WITH WHAT WE HAVE LEARNED ABOUT THAT PLANE SPECIFICALLY. THE CREW MEMBERS GOT ON TO THAT PLANE HERE AT SMELT AIR. THIS IS A PRIVATE TERMINAL, SOURCES CONFIRM TO LOCAL 10 THAT THIS PLANE IS OFTEN USED AS AN AIR AMBULANCE. WE DO HAVE A SHOT OF THAT PLANE, WE ARE ALSO TOLD BY THAT SAME SOURCE, THAT THERE WAS INDEED A DOCTOR ONBOARD. THIS FLIGHT THAT WENT DOWN. THE PLANE AS YOU SAID, BOUND FOR CROSS MEL. USUALLY ONE OF THEM A DOCTOR. NOW THAT PLANE HAD A VERY LONG DAY TODAY. IT ACTUALLY LEFT COSTA RICA AT 9:00 HE THIS MORNING. AND LANDED AT 1:34 THIS AFTERNOON. THERE WAS A SHORT LAYOVER, POSSIBLY A CREW CHANGE, WE DO NOT KNOW THAT RIGHT NOW. AND THEN AGAIN, THE PLANE TOOK OFF AT 8:51 FROM FT. LAUDERDALE. THIS IS THE TIME AND THE POSITION OF THE AIRCRAFT THAT WENT DOWN. 7:51 LIFT OFF. 7:52, 2,000 FEET. THEN YOU SEE IT IS DESCENDED. AND THEN ALL THE WAY DOWN. THAT PLANE WAS REPORTED AT JUST 100 FEET OVER THE ATLANTIC. NO ONE HERE AT SMELT AIR IS COMMENTING THIS EVENING. THEY HAVE ASKED US TO LEAVE, AGAIN, SOURCES CONFIRMING TO LOCAL 10 NEWS THAT THIS WAS INDEED AN AIR AMBULANCE, AND AT LEAST ONE DOCTOR WAS ONBOARD.

PHOTOS: Small plane crashes off coast

Published On: Dec 24 2013 04:57:37 PM EST   Updated On: Nov 20 2013 07:43:47 PM EST
Wreckage of plane
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Wreckage of the plane that crashed off the coast of Fort Lauderdale, Fla., is brought aboard a Coast Guard boat Tuesday, Nov. 19, 2013. Search and rescue crews from the Coast Guard, Florida Fish and Wildlife Conservation Commission and local police and fire rescue departments continue to search for possible survivors. (Credit: U.S. Coast Guard).