TH-57 Sea Ranger 

Helicopter & Bell Jet Ranger 202
The MitiGator™ Cushion System
Designed to Fit Under OEM Seat.

This insert for under the seat cushion and above the seat pan was developed under a program with NAVAIRSYSCOM that was completed in June 2002.  Investigators have developed a seat cushion insert (utilizing one or more layers of the Hybrid Air Cushioning System (HACS)) that dissipates much of the energy of impacts and prevents that energy from passing through to the human body, thus reducing the level of injury sustained. 

The MitiGator™system is as effective against repeated impacts (high speed boats or ground vehicles) as it is against one-time events  (crash landings).  The HACS utilized in the insert has been shown to attenuate as much as 30% more energy than the existing seat cushion alone.

The MitiGator™ technology is an engineered system; specific HACS configurations can be designed for specific applications. Along with its good energy-attenuating characteristics, The MitiGator™ has the added advantage of returning to its original configuration after impact, making it suitable for repeated impacts. The cushion is made of materials that will survive in a marine environment. Studies have also shown that the system also acts as a vibration attenuating system as well.   

Key Benefits

• Advanced Cushioning Methodology.
• Elastomer or Foam Construction.
• Internally Molded Air Passages.
• Airflow Redirects Impact Energy Laterally.
• Maximizes Energy Absorption.
• Minimizes Rebound / Reusable after Hard Landings and Repeated Impacts.
• Low Vibration Transmissibility in 0.5Hz –100Hz Range

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