Southeast Aerospace will be closed December 24th - January 2nd for the Holidays.
Regular business hours will resume on Monday, January 5th. AOG Services are available.

Avionics FAQ

By definition, Frequency-Shift Keying or FSK is a form of frequency modulation in which the modulating signal shifts the output frequency between predetermined values. In relation to aircraft recorders, it is simply a data format that is utilized to input GMT (Greenwich Mean Time). Some recorders are able to either handle GMT via low speed ARINC 429 input or FSK or both.