Boeing has flown a Block 2-standard CH-47F Chinook heavy-lift helicopter for the first time, the company announced on 28 March.
The flight took place at Boeing's Philadelphia production facility in Pennsylvania and comes two months after the US Army revealed it is to shortly award its first low-rate initial production (LRIP) contract for the configuration.
The Block 2 enhancements, which are being developed for the US Army's wider CH-47F fleet, include the Advanced Chinook Rotor Blade (ACRB), which features geometry and a new asymmetric aerofoil to increase the aircraft's lift capacity by about 1,500 lb (680 kg) at 4,000 ft and 35°C in the hover (the army's 4K/95 performance benchmark).
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