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TF23 Aviation: Universal Hydrogen's testbed on approach
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TF23 Aviation: Prop on the hydrogen engine on N330EN seems feathered
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TF23 Aviation: Universal Hydrogen's "Lightning McClean" banking in on the approach
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TF23 Aviation: Profile of Universal Hydrogen's "Lightning McClean" N330EN
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TF23 Aviation: Hydrogen and Wind Power
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TF23 Aviation: "Lightning McClean" coming in to land