The crash at the Marana Regional Airport, about 21 miles northwest of Tucson, is the second fatal aviation mishap this month in Arizona.

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

At least two people have died after two small single-engine planes collided midair Wednesday morning at an Arizona airport, officials said.

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.

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.