1) copy textures directory with all the textures (i.e.
texture.sample) to C:\Program Files\Microsoft Games\Flight
Simulator 9\Aircraft\50N Boeing 737-300
2) edit aircraft.cfg
file and add following:
[fltsim.xx] //"xx" mean the next number you
need (i.e. [fltsim.05] if you have 5 textured installed)
title=50N Boeing 737-300
sample //*** (put name of the airline
i.e. British Airways)
sim=50N_Boeing733.air
model=
panel=
sound=
texture=sample
//**** name of the directory where textures are installed
without "texture." prefix
kb_checklists=Boeing737-300_check
kb_reference=Boeing737-300_ref
atc_id=sample //***name of ITC
ID i.e. UAL
atc_airline=sample
//*** name of airline i.e. UNITED
atc_flight_number=210
ui_manufacturer=50N Boeing 737 Family Aircraft
ui_type=737-300
ui_variation= sample
//*** put name of the airlines i.e. British Airways -
should be same as is in "tittle" section
description=FiftyNorth Simulation Boeing
737-300/400/500 Family Aircraft. © FiftyNorth Simulation 2004-2005.