2024 Virginia Code 5.1-4: Aircraft for use of Department; construction, etc., of aviation facilities by Department.

2023 Virginia Code 5.1-4: Aircraft for use of Department; construction, etc., of aviation facilities by Department

2022 Virginia Code 5.1-4: Aircraft for use of Department; construction, etc., of aviation facilities by Department

2021 Virginia Code 5.1-4: Aircraft for use of Department; construction, etc., of aviation facilities by Department

2020 Virginia Code 5.1-4: Aircraft for use of Department; construction, etc., of aviation facilities by Department

2019 Virginia Code 5.1-4: Aircraft for use of Department; construction, etc., of aviation facilities by Department

2019 Virginia Code 5.1-4: Aircraft for use of Department; construction, etc., of aviation facilities by Department

2017 Virginia Code 5.1-4: Aircraft for use of Department; construction, etc., of aviation facilities by Department

2016 Virginia Code 5.1-4: Aircraft for use of Department; construction, etc., of aviation facilities by Department

2015 Virginia Code 5.1-4: Aircraft for use of Department; construction, etc., of aviation facilities by Department

2014 Virginia Code 5.1-4: Aircraft for use of Department; construction, etc., of aviation facilities by Department

2011 Virginia Code 5.1-4 – Aircraft for use of Department; construction, etc., of aviation facilities by Department

2008 Virginia Code 5.1-4 – Aircraft for use of Department; construction, etc., of aviation facilities by Department