HelicoptersTracking HCSO Air Support Unit @ (optional) Send News about Harris County Sheriff's Office HSI Helicopter Completions for GSA Contracts 29-Jun-23 - Helicopter Services Inc. (HSI) from Spring, Texas adds aircraft completions to Government GSA contract #GSA Locations YearsLocationICAO/FAADavid Wayne Hooks MemorialKDWH Models Years Models Bell OH-58A Kiowa Eurocopter AS350B3 Ecureuil Harris County Sheriff's Office List of helicopters C/N VersionBuiltIn this Org In other Org 4101 as350b3 2006 N312SD : Harris County Sheriffs Office ( HCSO) at Houston, TX from Aug19 41887 oh-58a N731SD : Harris County Sheriff's Office (HCSO) at Houston, TX from Sep13; Nov19 sti+ 72-21221 40455 oh-58a N915SD : Harris County Sheriff's Office (HCSO) at Houston, TX 69-16234 42162 oh-58a N919SD : Harris County Sheriff's Office (HCSO) at Houston, TX 73-21896