
Piper Announces New Seminole DX Powered by DeltaHawk
Oshkosh, WI — July 22, 2025 — Piper Aircraft, Inc. is excited to announce the new Piper Seminole DX—a diesel-powered PA-44 Seminole featuring DeltaHawk’s FAA-certified, DHK4A180 180-horsepower, heavy fuel, compression ignition engine. The Seminole DX was born from a successful collaboration between Piper and DeltaHawk announced in early 2024. Piper will begin taking position reservations…