It marks the second fatal incident at an Arizona airport in the past 10 days. On Feb. 10, the pilot of a private jet owned by Mötley Crüe singer Vince Neil was killed after a runway collision between two aircraft at Scottsdale Airport.

A midair collision involving two small planes in southern Arizona killed two people Wednesday morning, authorities said. Federal air-safety investigators said each plane had two people aboard when they collided at Marana Regional Airport on the outskirts of Tucson.

Arizona's recent aviation accident has some suggesting that an air traffic control tower might have made a difference, but experts disagree.

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.

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

A midair collision between two small planes near Marana Regional Airport in Arizona resulted in two deaths and highlighted safety concerns at non-towered airports, where pilots rely on radio communication and visual cues to navigate.