RVSM: The Invisible Reorganization of the Sky

This analysis traces RVSM from the engineering constraints that necessitated 2,000 ft vertical separation, through the altimetry performance improvements and collision risk modeling that justified halving it, to the phased global implementation that fundamentally restructured how the upper atmosphere is managed as a shared resource. It examines the TVE budget, the Reich model, the height monitoring infrastructure, and the ongoing governance that keeps the standard valid in service.

April 13, 2026 · 19 min · 3996 words · Kayra Sari

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.

February 13, 2026 · 38 min · 8077 words · Kayra Sari

E6B Flight Computer

A full-featured digital E6B built in vanilla JavaScript, replicating both the wind side and calculator side of the classic aviation flight computer with real-time outputs and an interactive wind vector canvas.

December 11, 2025 · 3 min · 635 words · Kayra Sari