A federal review of helicopter safety concerns launched after the deadly midair collision in Washington, D.C., has identified a rash of concerns about the potential conflicts between air tour helicopters and planes at the Las Vegas airport.

A Federal Aviation Administration report warned of dangerous conditions at Harry Reid International Airport in Las Vegas, Nevada, due to the prevalence of air tour helicopters. The FAA said it reviewed dozens of airports in the wake of the collision between an American Airlines jet and an Army Black Hawk helicopter outside Washington,