JPI’s Data Imbroglio

Volume 35
Number 6
June 2005

Some customers are steamed by JPI’s move to code the digital output of its engine monitors. If data analysis is a priority, buyers should consider EI.

JPI’s EDM line no longer outputs a public domain data format.

Who owns the data generated and recorded by an engine in flight? And does the owner of the airplane need permission to access that data? That’s an intriguing question at the heart of a dust-up between J.P. Instruments and some of its customers.

In what appears to be a significant customer service blunder, JPI has infuriated some customers by encoding the data output of its popular engine monitors so that only software sold by JPI can read it conveniently.

Moreover, the company has been quietly updating the firmware of units returned for repair such that an owner who could once read the data in a commercial spreadsheet program such as Excel will…

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