A twin engine Boeing 767 Atlas Air cargo jet violently crashed into Trinity Bay near Anahuac, Texas, shortly before 12.45pm on Saturday afternoon.

There were three people on board Atlas Air Flight 3591 that was carrying Amazon Prime Air cargo, the Federal Aviation Administration said citing initial reports.

There are no survivors in the deadly crash, according to the Chambers County Sheriff's Office.

The flight had departed from Miami and was bound for George Bush Intercontinental Airport in Houston, Texas when it nosedived and plunged into the bay, which is just about five feet deep and is mostly mud marsh.

It made a steep descent from 6,525 feet to 3,025 feet in 30 seconds, according to tracking data from FlightAware.com

Officers and rescue teams have flocked to the scene where broken detritus of the plane was visible in the water along with bits of floating cargo such as women's clothing and cardboard boxes.

Sheriff Brian C. Hawthorne described the crash during a press conference Saturday afternoon as 'total devastation'.

He later told the Houston Chronicle that police had found human remains at the site.

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Atlas Air Flight 3591, which was carrying cargo for Amazon Prime Air, was on route to Houston's George Bush International Airport from Miami when it suddenly crashed into Trinity Bay near Anahuac, Texas on Saturday afternoon

Sheriff Brian C. Hawthorne described the crash during a press conference Saturday afternoon as 'total devastation'. Parts of the plane can be seen above in the water

Emergency personnel work at the scene of a plane crash site in Trinity Bay in Anahuac, Texas on Saturday

He said multiple witnesses reported the plane crash seeing it nose dive and hearing what sounded like 'lightning'.

'The first thing I saw when I got out there was just floating debris. From bed sheets to women's clothing to cardboard boxes to a lot of fiberglass. As we got closer we started seeing plane debris,' he said.

He did not verify the name of the shipping company that is believed to be operating for Amazon Prime Air, according to Flight Global.

Air traffic controllers in Houston tried at least twice to contact the plane but received no response.

According to FlightRadar the jet had departed Miami at 11.33 local time and was scheduled to arrive at Houston Intercontinental at 12.53 local time.

A helicopter flies overhead as emergency personnel work the scene of a plane crash site in Trinity Bay in Anahuac

Law enforcement officers man a road block leading to a staging area during the investigation of a plane crash in Trinity Bay in Anahuac

Rescue teams pictured above at the bay searching for the plane after it plunged into the bay at 12.45pm on Saturday

After hours of searching, rescue teams were able to locate the submerged jet in Jack's Pocket at the north end of Trinity Bay

The last transmission sent to the aircraft warned of heavy rain near the airport

After losing contact, then they asked a United Airlines pilot if he had seen 'ground contact' - wreckage - to his right or behind him. 'That's a negative,' he said.

They also asked a Mesa Airlines pilot: 'See if you can make ground contact. We are looking for a lost aircraft ... it's a heavy Boeing 767,' meaning it's a big, two-aisle plane.

'No ground contact from here,' the Mesa pilot said.

According to FlightRadar the jet had departed Miami at 11.33 local time and was scheduled to arrive at Houston Intercontinental at 12.53 local time.

Atlas Air Flight 3591 was on route to Houston's George Bush International Airport from Miami when it went down

'We haven't been able to find any survivors or any remains. I feel like it's probably a crash that nobody would have survived,' Sheriff Brian C. Hawthorne said at a press conference after the accident

Multiple law enforcement agencies reported to the scene to help with the search and rescue.

After scouring for hours the jet was finally located in Jack's Pocket at the north end of Trinity Bay.

Sheriff Hawthorne said they'll likely be out there for weeks clearing the seen and determine what made the plane go down.

FAA investigators are the site and the National Transportation Safety Board has been notified. The NTSB will be taking charge of the investigation.

The FAA released a statement on the afternoon crash

An Amazon.com Inc. Prime Air cargo jet sits parked in an airport (File Photo). 767 cargo jets are large airliners with seating capacity for 181 to 375 people

The FBI are also on the scene to help locate the jet's black boxes.

The Houston Police Department said they're sending its marine officers to the seen and the Harris County Sheriff's Office is sending personnel to assist in the crash.

The NTSB will be taking charge of the investigation.

According to Atlas Air Inc.'s website the company transports 'precious perishables or heavy construction equipment to arranging passenger charters for celebrities or dignitaries.'

The jet had flown for Prime Air since April 2017, as per Flight Global.