60o-151 "CompasS Transfer Mod" and 1159-35000-151 "Altitude Transfer Mod" reflects the aircra:ft Wiring. • 11.) Installed.a. cabin 60 HZ AC Syste0 Inverter P/N SPS 1307 S/N 440 in accordance with Midcoast Aviation; inc: D.E.R. approved wiring AED 151,4 and mounting in accordance with AC't1L-1.32A.; Installed a B&D Instrume