"The FAA investigations of skydiving accidents and incidents typically focus on inspecting the packing of the parachute and reserve parachute, and rules of flight for the pilot and aircraft," the agency said in a written statement.

Two small planes collided in midair over one of the runways on the outskirts of Tucson last week. One hit the ground and caught fire, sending up a plume of black smoke. The remains of two people were found in the charred wreckage.

Authorities are investigating multiple skydiving incidents that have left three dead in the last two months after complications while descending.

The most recent deadly skydiving incident occurred near Skydive Arizona when a "very experienced skydiver" died this month.

Police say 70-year-old Michael Reinath and 76-year-old Linda Gifford died in the Feb. 19 collision at Marana Regional Airport on the outskirts of Tucson, Arizona.

Authorities in Arizona are working with the Federal Aviation Administration to investigate deadly skydiving incidents after three people, including a Minnesota woman, had problems while descending. The three deaths happened within the last two months.

Tens of thousands of planes take off, land and perform touch-and-goes at the Marana Regional Airport in southern Arizona every year.

Tens of thousands of planes take off, land and perform touch-and-goes at the Marana Regional Airport in southern Arizona every year. Without an air traffic control tower, it's a calculated dance that requires communication by pilots.

According to the FAA, a Southwest Airlines flight approaching Phoenix Sky Harbor International Airport and got too close to an American Airlines flight on Feb. 23.

Both the FAA and NTSB later confirmed a midair collision between the two small planes — a Lancair 360 MK and a Cessna 172 — at just after 8:25 a.m. There were two people in ea

Federal Aviation Administration documents say the Lancair 360 MK II involved in the crash was registered to Reinath.

Do more U.S. airports need control towers? That's one of the questions that has arisen following a midair collision at an airport in southern Arizona last week.