Avianca Flight 011 was a scheduled international flight from Bogotá, Colombia, to Madrid, Spain, using a Boeing 747 aircraft. On the fateful day, the aircraft was nearing its destination when it faced severe challenges during its final approach to Barajas Airport. The flight encountered a thick fog that significantly reduced visibility, complicating the landing procedure. As the crew attempted to navigate through the adverse weather conditions, they were unable to maintain the required altitude. Tragically, the aircraft crashed on the outskirts of Madrid, resulting in the loss of 181 lives, including passengers and crew members. The aftermath of the crash sent shockwaves across Colombia and Spain, prompting investigations by aviation authorities to determine the cause.The investigation revealed that multiple factors contributed to the accident. Among them were the poor weather conditions at the time, which presented a formidable challenge to the pilots, and potential miscommunications in the cockpit. The Accident Investigation Board of Spain and Colombian authorities conducted a thorough review of the events leading up to the crash. They also evaluated the airline's operational protocols, training, and maintenance standards to identify any lapses that could have endangered the flight. The incident fueled discussions regarding aviation safety regulations and the importance of improved training and equipment for pilots navigating challenging weather scenarios, aiming to prevent future tragedies.