Council CA 2_4 Final

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1 ARMY V-280 VALOR ANTI-ICE AND DEICE SYSTEM Army V-280 Valor Anti-ice and Deice System Johnathan Council Embry-Riddle Worldwide 21 January 2024

2 ARMY V-280 VALOR ANTI-ICE AND DEICE SYSTEM Background Figure 1 Bell V-280 Valor Prototype

3 ARMY V-280 VALOR ANTI-ICE AND DEICE SYSTEM Note: Source M. Roaten 2022 In 2022, the Army officially selected the next future vertical lift aircraft set to replace the aging Blackhawk fleet over the coming decades. It is called the V-280 Valor and Its unique tilt rotor design gives it the flexibility to land nearly anywhere like a helicopter while also maintaining the ability to fly far and fast like an airplane. There is still much to done to get this aircraft fully operational and deployable world-wide. At this time, the V-280 flying prototypes have no anti-ice or deicing capabilities which creates a significant problem given that they are expected to be a self-deploying fleet capable of flying themselves anywhere in the world. Without a pressurized vessel and a limited ceiling with which they operate, anti-icing capabilities are an absolute must. With the inability to exceed 10,000 feet without supplemental oxygen, the V-280 will be subject to adverse weather conditions and no capability to fight off ice. Ice accumulation on an aircraft can significantly increase weight and severely reduce lift while increase drag and reducing performance (NWS, n.d.). A Hierarchical Task Analysis (HTA) has been developed to address this issue. Hierarchical Task Analysis Figure 2 A HTA addressing the corrective actions for implementing a Anti-Ice/Deice system on the V-280.

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4 ARMY V-280 VALOR ANTI-ICE AND DEICE SYSTEM Note: At this time, there is no anti-ice/deice capabilities on the Army’s new upcoming vertical lift aircraft. This issue should be addressed prior to the anticipated delivery date in 2028. Recommendations The V-280 prototypes are actively flying and being evaluated for further development and implementation. Anti-icing and deicing capabilities are a vital component to the operational readiness and mission effectiveness of this aircraft. Additionally, implementation of these systems will have impacts on the aircraft performance and capabilities such as weight distribution and carrying capacity. The additional of these systems will add a potentially significant amount of weight to the aircraft possibly affecting troop carrying capabilities and

5 ARMY V-280 VALOR ANTI-ICE AND DEICE SYSTEM performance metrics making all the current and ongoing testing potentially invalid. It is recommended that prototype testing continue, however, emphasis must be placed on this HTA and getting anti-icing and deicing equipment fielded on the prototypes immediately so more accurate testing can be validated and future delays in development of said systems wont impact delivery to the Army. References NOAA. (n.d.). Icing . Icing Hazards. https://www.weather.gov/source/zhu/ZHU_Training_Page/icing_stuff/icing/ icing.htm#:~:text=Serious%20icing%20occurs%20when%20the,temperatures%2C %20they%20form%20clear%20ice.

6 ARMY V-280 VALOR ANTI-ICE AND DEICE SYSTEM Roaten, M. (2022). BREAKING: Army Chooses Bell Textron’s V-280 Valor Tiltrotor to Replace Black Hawk . Breaking: Army chooses Bell Textron’s V-280 Valor tiltrotor to replace Black Hawk. https://www.nationaldefensemagazine.org/articles/2022/12/5/bell-tiltrotor- wins-billion-dollar-helo-contract

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