Thunderbird textures for the AI PA-28 Arrow.  

CalClassic AI Traffic File #4 needs to be installed first:

https://www.flightsim.com/vbfs/fslib.php?do=search&fsec=0&fname=ai2k44_calclassic2.zip

Installation:

1.  Copy the texture.thunderbird folder and paste it into the FS2004/Aircraft/AI_Pa28R_Arrow folder.
2.  Copy the text below and paste it into the aircraft.cfg file in the FS2004/Aircraft/AI_Pa28R_Arrow folder, just below the other fltsim sections.

[fltsim.3]
title=AI PA28R Arrow Thunderbird
sim=AI PA28R Arrow
model=
panel=
sound=
texture=thunderbird
kb_checklists=
atc_id=N238FL
ui_manufacturer=AI GA
ui_type=Cherokee
ui_variation=Thunderbird
atc_airline=Thunderbird
atc_parking_types=GATE
atc_parking_codes=TBD
visual_damage=0
prop_anim_ratio=0.9
description=\nAI model by Dee Waldron.

3.  Renumber this pasted fltsim section if not in consecutive numerical order (1,2,3, etc.).
4.  Save this file.