Lack of air traffic control tower questioned

What to know about air traffic control towers after a midair collision in Arizona prompts questions
Chatter over the airwaves has provided some clues about what happened in Arizona. A chief flight instructor who was in the air with a student that day heard the commotion over the radio: One plane was attempting a touch-and-go when another clipped its propeller while attempting to land.
Arizona plane crash kills 2 in midair collision at Marana Airport
Two planes collided midair Wednesday at the Marana Regional Airport near Tucson, Arizona, leaving two passengers dead, the Federal Aviation Administration said.
Lack of air traffic control tower questioned after deadly Marana crash
Not having a tower at the Marana Regional Airport north of Tucson doesn’t mean it’s any less safe, experts say.
Arizona midair collision over regional airport between Cessna, Lancair aircraft turns fatal
An aircraft collision between Cessna and a Lancair aircraft at a regional airport in Arizona on Wednesday has killed at least two people, authorities said.
Two dead after mid-air plane collision Wednesday at southern Arizona airport
MARANA, AZ — Two people are dead after two planes collided mid-air Wednesday morning at an airport in southern Arizona. The crash occurred at Marana Regional Airport, outside Tucson.
Air traffic control towers: Key facts after Arizona crash
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.
Marana midair collision kills two. Pilot describes what he heard and saw
A flight instructor was giving a lesson when heard the radio call the moment before a midair collision that killed two at an ...
2 dead in midair collision of 2 planes at Marana Regional Airport near Tucson
At least one person is dead from an aircraft "collision" Wednesday morning at the Marana Regional Airport northwest of Tucson ...