by N3322G » Mon Dec 05, 2011 11:16 pm
Gus, the EI STC should tell you whether it can act as a primary instrument replacement.
For my Twin, a JPI 760 cannot because the FAA requires that CHT temp be constantly displayed if the plane has cowl flaps - the JPI760 cycles through displays.
Hope this helps.
Pat
Patricia Jayne (Pat) Keefer ICS 08899
PA-39 #10 Texas