The aircraft used for all multi-engine instruction is a Piper
PA23-160 "Apache" which has undergone
a Geronimo airframe conversion, as well as installation of a custom instrument
panel with an upgraded avionics package (Bendix BX-2000 system with RNAV and an
HSD 880 HSI/RMI system, an ARNAV R-40 Loran, and intercom).