AMC1 CAT.IDE.H.125(b) & CAT.IDE.H.130(h) Operations under VFR by day & Operations under IFR or at night – flight and navigational instruments and associated equipment
CAA ORS9 Decision No. 1
MULTI-PILOT OPERATIONS — DUPLICATE INSTRUMENTS
Duplicate instruments should include separate displays for each pilot and separate selectors or other associated equipment where appropriate.