Well here, lets compare some Files ,
this is my Default Stock FSX Gold Acceleration Maule Aircraft CFG File enteries - on my other computer / not my main Flight Sim computer.
compare you Maule CFG Enteries to this one , and pay close attention to the
this 1 is for the wheeled version -
[fltsim.XXX]
SIM=
Texture=
UI Manufacturer =
---------------------------------------------------------- }
[fltsim.0]
title= Maule M7 260C paint1
sim=Maule_M7_260C
model=
panel=
sound=
texture=1
kb_checklists=MauleM7260C_check
kb_reference=MauleM7260C_ref
atc_id=N72163
ui_manufacturer="Maule"
ui_type="Orion"
ui_variation=" White, Red, Gray"
ui_typerole="Single Engine Prop"
ui_createdby="Microsoft Corporation"
description="Maules are rugged and simple.
------------------------------------------------------
SKI Version
[fltsim.0]
title= Maule M7 260C Ski paint1
sim=Maule_M7_260C_Ski
model=
panel=
sound=
texture=1
kb_checklists=MauleM7260CSki_check
kb_reference=MauleM7260CSki_ref
atc_id=HB-HWN
ui_manufacturer="Maule"
ui_type="Orion on skis"
ui_variation="White and Yellow aircraft"
ui_typerole="Single Engine Prop"
ui_createdby="Microsoft Corporation"
description="Maules are rugged and simple.
Again pay close attention to the
Sim= entry ??
UI Manfacturer = Entry ??
on all the Maule Entries listed in the CFG File , see if theres anything matching up or not matching up with this one ??
Also take a close Inspection of each Aircraft Texture FOLDER , and make sure they are named properly , and that they match up with how the CFG File lists them under the
Texture = Entry

? {------------ this has to match exactly to the T - how the Aircraft Texture Folder is titled / called , exactly to the T, including the (. period) !!!
leave that Period . out and nothing will show up,, been there found out .
Other than that I don't have a clue what else might be the problem without being right there in front me to see and inspect it for myself,,,
maybe you could send in some screen shots or a good video for us to look at maybe
