Where XX= The last number in your aircraft.cfg
-------------------------------------------------------------------

[fltsim.XX] 
title=Eaglesoft Piper TC N208ES 
sim=Piper_PA30_v1.8
model=
panel=
sound=
texture=N208ES
kb_checklists=Piper_PA30_check
kb_reference=Piper_PA30_ref
atc_id=N208ES
ui_manufacturer=Piper
ui_type="Piper PA-30 Twin Comanche"
ui_variation=N208ES
description=Eaglesoft Development Group Piper PA30 Twin Comanche for Microsoft Flight Simulator 2004. 