I have 1.46.
Here is some more of the read me i think might help, i copyed and pasted it might help. This is the other lb i downloaded: Addon Name: A/MH-6 Littlebird (for OFP v. 1.45 and 1.75.
INSTALLATION
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Put the following in your addons folder:
bas_lbs.pbo
bas_lbs146.pbo
bas_soar.pbo
bas_soar146.pbo
--do not include the bas_lbs185 or bas_soar185 files in the addons folder!
This version will not have custom vehicle classes nor animations or weapons.
ADDED UNITS:
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Under BAS Special Ops - Vehicles
Name - classname -weapon/magazine name
"MH6"
ClassName:bas_mh6
wpn: unarmed
MH6 Armed
ClassName: bas_mh6a
wpn:bashkmounted
mag: bashkmounted
AH6 Gunship
Classname:bas_ah6j
wpn: basM134MiniGun, baszuni14
mag: basM134MiniGun, baszuni14
AH6 Multi Purpose
Classname: bas_ah6mp
wpn:basM134MiniGun, baszuni7, basah6helllauncher
mag: basM134MiniGun, baszuni7, basah6helllauncher
MD500D TOW
Classname: bas_md500dtow
wpn: basah6towlauncher
mag: basah6towlauncher
SOAR Pilot
Classname: bassoarpilot
Wpn: HK, NVGoggles
Mags: HK, handgrenades