EXPLAINER: How NOTAM caused widespread flight disruptions
https://apnews.com/9e277db75130cc7e4d4b6c6a7bdaad7c
DALLAS (AP) — Until Wednesday, few travelers had ever heard of a Notice to Air Missions, or NOTAM, nor did they know that the system used to generate those notices could cause widespread travel misery.
As they arrived at airports in the morning, they quickly found out.