Inadvertent VFR flight into IMC weather and the resulting fatal accidents are not simply a problem for aircraft pilots, but also for those flying helicopters. In a news release, the US Helicopter Safety Team (USHST) said, “Between 2000 to 2019 in the US, there were 130 fatal accidents directly linked to the issue of spatial disorientation. These accidents occurred regardless of pilot experience and they cut across all industries, including emergency medical services, law enforcement, tour operations, utility flights, corporate flying and personal/private flights.”
US Helicopter Safety Team Issues Blueprint to Prevent VFR Into IMC and Spatial Disorientation
Key Takeaways:
- Inadvertent VFR flight into IMC and spatial disorientation are major causes of fatal helicopter accidents, accounting for 130 fatalities in the US between 2000-2019 across all pilot experience levels and industries.
- These accidents are often attributed to failed planning, lack of understanding, or poor decision-making, despite pilots having options to avoid or exit hazardous weather conditions.
- The US Helicopter Safety Team (USHST) has responded by developing a new Recommended Practices document focused on "Spatial Disorientation Induced by a Degraded Visual Environment."
- This new framework proposes a shift in training and decision-making, emphasizing IIMC avoidance through enhanced preflight planning, enroute decision processes, in-aircraft low-visibility simulations, and instrument recovery techniques.
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