TAMPA, Fla. (WFLA) — A small plane crashed in the Florida Everglades on Tuesday morning.

The plane crashed in an isolated area of southwest Broward County at around 2:20 a.m., according to NBC affiliate WTVJ. The downed aircraft was reported to the Broward County Sheriff’s Office at 10 a.m.

Helicopter footage showed a man standing on the wing of the plane seeking help. The small plane was nearly completely submerged in the murky depths of the swamp.

The man was rescued by a Miami-Dade Fire Rescue helicopter and was air-lifted to the hospital. He appeared to have suffered an injury to his right leg. He was the only person on the plane at the time of the crash.

The National Transportation Safety Board is investigating what caused the plane to crash. According to WTVJ, the plane was believed to be based out of a Miami-Dade flight school.