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Originally Posted by SARswmr
Yes, This is what is used in our birds(HH-60 Seahawk) tires and Main Rotor blades.
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I almost forgot about the m/r blades on the sikorskys (spelling) having nitrogen. I worked on hawks, and 61's a bit. Have done lots of S-76 work, but the 76's don't have nitrogen in the blades. We have emergency floats on all our aircraft and they use nitrogen.