Avionics
Legacy Universal FMSs Face Obsolescence
Business jets equipped with legacy Universal Avionics FMSs will need upgrades due to parts obsolescence issues.

Last year, Universal Avionics notified aircraft owners and operators that certain parts of legacy flight management systems (FMS) are becoming obsolete and that repairs may soon be unavailable for these units. The Universal service letters published in November of 2019 apply to UNS-1K/1K+, -1Csp/1Csp+/1C/1C+, and -1D/1D+ FMS models. Universal was first to market with an FMS in 1983 and its products are installed in more than 50 different aircraft types in all aviation segments.


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