VILA (Vest Integrated Load Assist) is an exoskeletal solution for reducing the weight of heavy flight vests of rotorcraft pilots. VILA helps to mitigate fatigue during flight as well as associated lower back injuries over time, while allowing the pilot to maintain full functionality while performing flight tasks.
Navy helicopter pilots have increasingly complained of fatigue and chronic lower back pain linked to the repeated use of torso-mounted Personal Survival Equipment (PSE). A survey showed that 88.1% of 648 Navy H-60 helicopter pilots experienced back or neck pain during or immediately after flights, leading to less availability of pilots, reduced operational readiness, shortened careers, and increased medical costs.
Several factors contribute to this, including PSE weight, poor posture, seating ergonomics, aircraft vibration, and total flight hours, but the PSE’s weight is considered a significant contributor to the issue. Therefore, the Navy seeks technologies to reduce the effective weight of PSE by over 70%. The immediate aim is to decrease the frequency and severity of fatigue and back pain among naval aviators and ultimately to protect aviators’ musculoskeletal health, increase mission endurance, and reduce lower back injuries.
The Navy anticipates that its H-60 helicopter will serve as the testbed for flight demonstration of the system, but the technology is expected to be applicable to other rotary-wing and fixed-wing aircraft seating systems.
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