Maintaining Performance

Airplane performance and good maintenance are closely related. The figures published by the manufacturer are frequently viewed as optimistic once an airplane is put into service-and suffers prop nicks, bugs on the leading edge and a couple of bad landings-but book numbers can be achieved even years later. When actual performance differs from the published numbers, its often because the airplanes condition has diminished over the years and hours of use. The level of maintenance an airplane has received over the years will have a significant impact on its overall performance.

Wednesday, August 09, 2017 at 12:00 AM ET

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Aerial rendering of the restored Port Columbus Terminal building at KCMH. OAS

Key Takeaways:

An aircraft's actual performance can match manufacturer's "book" numbers only through consistent and proper maintenance, as cumulative minor discrepancies and wear significantly degrade efficiency over time.
Performance issues often stem from inaccurate instrumentation (e.g., static systems, tachometers), improper airframe rigging, physical damage or wear to flight controls and aerodynamic surfaces, and various engine/powerplant problems.
To ensure optimal performance, owners must conduct diligent preflight checks, adhere to manufacturer's maintenance recommendations, and promptly address any discrepancies beyond merely passing inspections.

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Airplane performance and good maintenance are closely related. The figures published by the manufacturer are frequently viewed as optimistic once an airplane is put into service—and suffers prop nicks, bugs on the leading edge and a couple of bad landings—but “book” numbers can be achieved even years later. When actual performance differs from the published numbers, it’s often because the airplane’s condition has diminished over the years and hours of use. The level of maintenance an airplane has received over the years will have a significant impact on its overall performance.