A local flight instructor says the tragedy is bound to lead to more regulations for air traffic controllers, pilots and perhaps even the military. "Regulations are written in blood," said Cooper Veigel, a certified instructor at the Flight School in Spring, Texas. "That’s how they’ve been improved, really what they’ve been written in. Out of this tragedy is going to come more stringent regulations." Read more: https://www.khou.com/article/news/nation-world/washington-dc-flight-restrictions/285-b420e2f8-6220-49ee-81a3-6943deb49bb4