Here are plans and a paint for this HS 125-800 registered to Arkoma Air of Rockwell, Texas.
This aircraft has a busy 8 week schedule with stops in
Napa, California
Pensacola, Florida
Rochester, Minnesota
Tucson, Arizona
Horseshoe Bay/Resort, Greenville/Majors, Laredo, Texas
as well as 10 different airports in Mexico including Mexico City/Benito Juarez Intl, Los Cabos Intl and Oaxaca/Xoxocotlan Intl
Plans and Paint in the attachment.