When Piper Built a Warbird

The Piper PA-48 Enforcer was the meanest turboprop the company ever built.

Tuesday, July 05, 2022 at 07:59 AM ET

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Resembling a P-51 Mustang but reengineered with a 2,445 shp turboprop, a new airframe, and new systems, the PA-48 Enforcer was the meanest Piper ever built. [Photo: Jason McDowell]

Key Takeaways:

The Piper PA-48 Enforcer was a unique turboprop attack aircraft developed from the World War II-era P-51 Mustang, stemming from earlier P-51 conversions by Trans Florida Aviation.
Piper Aircraft extensively redesigned the airframe, installing powerful turboprop engines, enlarging components, and integrating modern systems, resulting in a machine with less than 10% parts commonality to the original P-51.
Despite its capabilities and successful demonstrations to the U.S. military, the PA-48 was not adopted, and the four prototypes were ultimately retired to museums.

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Over the years, many aircraft types have evolved into far more capable machines by having their existing piston engines replaced with turboprop powerplants. The Piper Malibu, for example, gained better performance and reliability when the turboprop variant was introduced as the Meridian—now the M600. Similarly, the Beechcraft Queen Air, deHavilland Beaver, and Douglas DC-3 all saw corresponding performance gains as turbine-powered derivatives.

Decidedly less common is the initiative to reimagine a World War II-era fighter as a modernized, turboprop attack aircraft and market it to the government. This, however, is precisely what happened in the form of the Piper PA-48 Enforcer. First flown in 1971, a total of four prototypes were built and demonstrated until their retirement in 1984.