Cessna 172 Skyhawk — Supplemental Type Certificate

This document is an article from the Cessna Pilots Association discussing the advancements in aircraft engine technology, specifically focusing on the DeltaHawk DHK180 engine. The article highlights the engine's features, advantages over traditional engines, and its potential applications in Cessna aircraft models, particularly the Cessna 172 and 182. It provides insights into the engine's performance, maintenance benefits, and the ongoing development of Supplemental Type Certificates (STCs) for its installation in these aircraft. The article is aimed at pilots and aviation enthusiasts interested in the latest innovations in aircraft propulsion systems.

• DHK180 engine produces 180 horsepower and operates without traditional ignition systems.
• Engine maintains full power up to 18,000 feet and has a TBO of 3,000 to 5,000 hours.
• DeltaHawk is developing STCs for Cessna 172 and 182, with the 172 STC expected by late 2026.
• Estimated cost for the DHK180A4 package for Cessna 172 is $110,000.
• The DHK180 engine is projected to offer 40% better fuel efficiency compared to traditional engines.