Why Airlines Avoid Flying Over Tibet: The 'Roof of the World' Remains Untouched

Tibet, known as the 'Roof of the World', is a region that many airlines choose to avoid. Its extreme altitude, averaging over 14,000 feet above sea level, and the presence of the Himalayas, including Mount Everest, pose significant challenges. While there are international airports in Lhasa and Xining, commercial flights crossing over Tibet are limited. Flightradar24 data shows many planes choose northern and southern paths, leaving the skies above Tibet relatively empty.

Why Do Airlines Avoid Flying Over Tibet?

Several factors contribute to airlines' reluctance to fly over Tibet, making it a region largely untouched by commercial aviation. These factors can be categorized into three primary concerns: safety, operational complexities, and political considerations.

Safety Concerns: A Balancing Act Between Efficiency and Risk

The altitude of Tibet presents a significant challenge for airlines. Even though planes typically fly at 30,000 to 42,000 feet, they need to descend to around 10,000 feet for sufficient oxygen in case of an emergency landing. With limited diversion airports in the region, airlines prioritize safety and avoid this region. The mountainous terrain also increases the risk of turbulence due to unstable air currents. This turbulence can disrupt passenger comfort and complicate handling in emergencies.

Operational Complexities: Weather and Infrastructure

Another significant factor is the potential for jet fuel to freeze in extremely low temperatures above mountainous regions. While jet fuel has a low freezing point, long-distance flights over cold areas can lead to ice crystals forming in the fuel, as seen in the British Airways 38 incident that forced an emergency landing. The limited infrastructure in Tibet, with few airports and emergency facilities, further discourages airlines from venturing into the region.

Political Considerations: A Complex Landscape

Beyond safety and operational concerns, Tibet's political situation can also influence airline decisions. The region's complex political landscape can lead to tensions or restrictions that may affect flight routes and availability. These political considerations add another layer of complexity for airlines.

Considering all these factors, it becomes clear why many airlines choose to avoid the Tibetan region. While flying over Tibet might be more efficient, the potential risks and operational complexities make airlines prioritize safety and avoid the 'Roof of the World'.