OSHKOSH—Piper Aircraft has partnered with jet-fueled, diesel piston-engine maker DeltaHawk to give future buyers of PA-44 Seminoles a way to bypass the looming U.S. transition away from leaded avgas.

Piper Vaughn is excited to tell the stories of her own community. Piper is a Colorado native and is thrilled to be reporting in her home state.

The trainer aircraft was made in collaboration with DeltaHawk Engines and features its FAA-certified, DHK4A180 180-horsepower ...

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