The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

California Department of Forestry

Holds 4 type certificates (4 models). FAA spelling: California Department of Forestry.

Type certificates 4

A00004LAAircraft · OV-10A
T00009LAAircraft · S-2F3AT
A25WEAircraft · TS-2A
H2NMAircraft · UH-1F

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.