The probe starts after the Boeing 737 slides off the course to the Florida River

Federal Investigators Went Saturday Looking For The Cause Of A Boeing Jet Plane With 143 People Aboard To Slide Off A Runway Into A Shallow River While Landing On A Military Base In Jacksonville, Florida During A Thunderstorm, 22 People Wounded .

The Boeing 737-800 Chartered By The US Army Arrived From Naval Station Guantanamo Bay In Cuba With 136 Passengers And Seven Crew Members When It Slipped Into The St. Johns River At The End Of The 9000 Meters Runway At Naval Air Station Jacksonville Said Friday Night Authorities.

Officials Increased The Number Of Wounded To 22, From 21, After A Three-Month Child Was Admitted To A Local Hospital, Capt. Michael Connor, Commander Of The Jacksonville Station, A Press Conference.

National Transportation Safety Board Researchers Have Repaired An Undamaged Flight Data Recorder And It Was Sent To Washington For Analysis, NTSB Vice President Bruce Landsberg Said At The Press Conference.

We Expect To Receive A Very Complete Report On This Soon, He Said.

Researchers Said They Hope To Interview The Crew On Sunday. The Cockpit Sound Recording Device Stands In The Tail Of The Plane And Thunders Under Water. Researchers Will Not Be Able To Repair It Before The Aircraft Is Lifted Out Of The Water, Landsberg Said.

We Are Going To Be Very Careful With Keeping The Perishable Proof, He Said.

Officials Were Determining The Best Way To Remove The Plane From The Water, NTSB Researcher In Charge, Said John Lovell.

There Are Some Ideas That Are Driven In Terms Of Placing Some Sort Of Cushioning Under It ... And Moving Those Pillows, He Said.

The American Coast Guard Placed Floating Trees Around The Jetliner To Keep Leaking Plane Fuel In The Water, Landsberg Said.

The Plane, Chartered By Miami Air International, Tried To Land About 21.40 Hours. Local Time Amid Thunder And Lightning As It Slipped Off The Runway And Rested In The Shallow Water Of The River, Authorities And Passengers Said.

Landsberg Said That Investigators Will Look Carefully At Whether The Weather Played A Role In The Incident.

It Is A Miracle. We Can Talk About Another Story, Connor Said Early Saturday.

Active Service Military Officers, Civilian Personnel And Their Family Members Were On The Jetliner, Connor Told CNN.

The Military Base Is On The Western Bank Of The St. Johns River, About 8 Miles (12.87 Km) South Of Downtown Jacksonville, About 350 Miles (563.27 Km) North Of Miami.

Miami Air International Is A Charter Company Operating A Fleet Of The Boeing 737-800, Unlike The 737 MAX 8 Aircraft That Was Grounded After Two Fatal Accidents Involving That Aircraft.

Airline Representatives Have Not Responded Immediately To Requests For Comments.

A Spokesperson For Boeing Co. Said That The Company Was Aware Of The Incident And Collected Information.

The Charter Company Is Contracted By The Army For Its Biweekly Rotator To And Fro Between The US Mainland And Guantanamo Bay, Said Bill Dougherty, A Base Spokesman In Jacksonville.