On May 22, 1921, the Grand Prix des Avions came to an abrupt halt for French aviator Lucien Bossoutrot and his co-pilot d'Or. While flying over the Tours region in appalling weather conditions—dense fog and driving rain—a technical failure in their propeller forced them to abandon the race. Prioritizing safety over ambition, they chose to land rather than risk their lives. This decision ended an adventure that had begun the previous evening, May 21, 1921, when they took off just before 8 PM, aiming to win the 100,000-franc prize for completing a 2,500-kilometer race across France. The planned route (Paris–Lille–Paris–Pau–Paris–Metz–Paris) was a formidable challenge. Before the mechanical failure occurred during the leg to Pau, the duo had already covered 1,500 kilometers, but the combination of bad weather and a faulty propeller shattered their dreams of glory. For ATPL and ATC students, this story is far more than a historical footnote. It illustrates critical principles of aeronautical decision-making (ADM) that remain central to modern aviation training. Bossoutrot and his co-pilot faced a classic dilemma: push on despite deteriorating conditions and a technical issue, or land and live to fly another day. Their choice to land reflects the same safety-first mindset that today's pilots are taught through concepts like the "sterile cockpit," risk assessment, and the "IMSAFE" checklist. In ATPL studies, this incident can be analyzed through the lens of human factors: how weather, fatigue, and mechanical reliability interact to influence a pilot's judgment. From an ATC perspective, the story underscores the importance of weather information dissemination and decision support. In 1921, pilots relied on visual observations and rudimentary forecasts. Today, ATC provides real-time METARs, TAFs, and SIGMETs, enabling pilots to make informed go/no-go decisions. The 1921 race also highlights the value of contingency planning—Bossoutrot's route included multiple stops, but no alternate airports were available in case of emergency. Modern ATC procedures, such as holding patterns and diversion planning, are direct responses to such historical lessons. Finally, this event teaches a timeless lesson about ego and safety. The prize of 100,000 francs was enormous, yet the pilots chose to land. This mirrors the modern concept of "get-home-itis," a psychological trap that ATPL students learn to recognize and resist. The 1921 incident is a powerful reminder that the safest decision is often the one that prioritizes life over competition. For ATC trainees, it reinforces the need to support pilots in making such decisions without pressure, fostering a culture where safety always comes first.