A shortage of air control center workers led to some flight restrictions for non-airliners surrounding San Diego International Airport on Tuesday Chopper 8 and all other civilian, non-commercial flights were denied access to the most restrictive airspace surrounding the airport, known as "Class Bravo" because of 'staffing limitations'. While this highlights the nationwide shortage of air traffic controllers, one local aviation expert said that these flight restrictions are all being done in the name of safety. MORE: https://www.cbs8.com/article/news/local/non-commercial-flights-face-flight-restrictions-near-san-diego-international/509-7977cd74-05ef-47a0-aed1-bbfbe429f1c9