Why Haven’t Leaps in Engine Tech Reached GA?

We see huge leaps in automotive engine technology, but GA piston engines appear to retain 1950s technology mainly due to three drivers: market, oversight, and need.

Richard Scarbrough

Wednesday, June 29, 2022 at 07:54 AM ET

Verified

Many GA piston engines appear to retain 1950s technology. [Shutterstock]

Key Takeaways:

General aviation (GA) piston engine technology lags behind automotive advancements due to a significantly smaller market, lower aircraft replacement rates, and the high cost and long lead times for innovation.
The rigorous and lengthy certification process imposed by aviation regulatory bodies like the FAA creates a much higher barrier to entry and innovation compared to the automotive industry.
Historically, there was less demand for groundbreaking innovation in GA piston engines as existing designs were deemed sufficient; however, current pressure for cleaner and more fuel-efficient powerplants is beginning to drive modernization.

See a mistake? Contact us.

Q: Why do we see huge leaps in automotive engine technology, but GA piston engines appear to retain 1950s technology?

A: You have a great question, and this topic does not get enough attention. One could argue that the automotive business and aviation began at almost the exact time stamp in history, 1903. On December 17, 1903, the Wright brothers took their first manned flight near Kitty Hawk, North Carolina. Coincidentally, Henry Ford established the Ford Motor Company in 1903 and began producing the Model A. While the two industries are forever linked, one has outpaced the other in innovation, advanced design, and embracing emerging technologies. Why indeed have automotive piston-powered engines pulled ahead of their aircraft counterparts? Although there are many reasons, the main three drivers are market, oversight, and need.