Worst Breach in Flight Discipline

Overview
This discussion is about flight discipline. Before continuing to the instructions, please read the two definition of flight discipline below by Kern (1998) and Martinez (2017):
“The strength of will required to systematically develop all areas of airmanship and execute sound judgment in the presence of temptations to do otherwise; and to safely plan and employ an aircraft within all operational, regulatory, organizational, and commonsense guidelines.”
Reference: Kern, T. (1998). Flight Discipline. New York, NY: McGraw-Hill.
“The continual performance of sound judgment, combined with technical expertise, while operating the aircraft. Flight discipline recognizes (1) the limitations of human performance; (2) the ever-present potential for human error; (3) the inherently unsafe aviation environment; and (4) the highly complex interactions between pilots, aircrew, and technology.”
Reference: Martinez, A. R. (2017). Flight Discipline Tactics, Techniques, & Procedures (TTP). U. S. Coast Guard, Washington, D.C.
Describe the worst breach of flight discipline you have ever witnessed or heard about. How and why did it happen and what was done about it? You will be issued credit for the assignment if you:
Complete the post by the due date
Address all three questions
Post contains no significant spelling or grammatical errors

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