Helicopter Crash - RT @clark_aviation: The Chinook's grandpa? This giant twin-rotor helicopter is the Piasecki H-16, that first flew in the early 1950s. The U…

1:16am PDT - June 4th, 2021

RT @clark_aviation: The Chinook's grandpa? This giant twin-rotor helicopter is the Piasecki H-16, that first flew in the early 1950s. The U…

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