So how come non-FADEC 767s have EEC?
Edited to answer my own question.
Non FADEC engines have an EEC mounted on the HMU. These engines can be operated by conventional HMU control by disengaging the EEC.
FADEC engines have a dual channel full authortiy FADEC with no hydromechanical backup.
Last edited by Bally Heck; 12th June 2002 at 14:00.