Investigators are examining the role of a **concrete wall** located about **250m from the runway** in the fatal crash of a Jeju Air plane in South Korea.
The wall, which is about **4m high**, supports a **landing navigation system** but has been labeled **"unusual"** by pilots and safety experts.
The crash resulted in **179 fatalities**, with experts suggesting that the wall's presence contributed significantly to the loss of life.
Authorities are reviewing if the wall should have been designed with **lighter materials** that may break upon impact, a standard practice for runway obstructions.
Many aviation professionals are pressing for answers on whether the pilots were aware of the wall's presence due to a **change in landing direction** during the incident.
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