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ATLANTA — Sierra Nevada Corp. is taking the Army’s old UH-60As, some with more than 16,000 flight hours on them, and installing upgrades that bring the old birds nearly to the capability level of a new-build M-model Black Hawk. SNC has partnered with Genesys Aerosystems and XP Services to offer retrofitted UH-60As with a fully digital, glass cockpit and three-axis autopilot. As the U.S. Army’s fleet ages and partner/ally militaries also put wear and tear on their UH-60s, there is…
