ETOPS: How Twin-Engine Jets Earned the Right to Fly Oceans

This analysis traces ETOPS from its origins as a safety compromise in the 1950s through its transformation into the regulatory foundation of modern long-haul aviation. It examines the engineering thresholds, dispatch requirements, route planning constraints, and real-world incidents that shaped each extension of twin-engine oceanic authority, culminating in today’s ETOPS-370 operations aboard the Boeing 777X and Airbus A350.

March 12, 2026 · 38 min · 8084 words · Kayra Sari