These are all private airports that have operated at some point in time in Solano County in Northern California outside of the Bay Area. 

ICAO:     Name

13CL      Maine Prairie (Crop dusting strip outside of Dixon, CA that opened in 1965 and closed in the early 2010's.)

CA58      Vacaville Gliderport (Small GA airport in Vacaville, CA that opened in the mid 1950's and closed in the early 1990's. Use A21 as the identifier in MSFS, CA58 was reissued.) 

Unk        Vaca-Dixon Airport (Vacaville, CA's first airport. Opened in the mid 1940's and closed in the mid 1990's. Could not find original ICAO identifier, use A25 in MSFS.)

CA57     Blake Sky Park (Private airstrip in the hills outside of Vacaville, CA. Opened in 1972 and closed towards the mid to late 1990's.)

Unk Tremont (Private airstrip south of Davis, CA. Operated in the early 1960's. Could not find the original ICAO identifier, use A22 in MSFS.)

6Q2       Garibaldi Brothers (Private airstrip outside of Cordelia, CA. Opened in the mid 1960's and closed towards the mid to late 1990's.)

To have all the airports in Solano County enhanced, recommend downloading all my previous scenery builds (8Q0 - Travis AFB Aero Club, O88 - Rio Vista Municipal Airport, KVCB - Nut Tree Airport, KSUU - Travis AFB) at https://flightsim.to/profile/flybylatham/collections. 

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Developed using the FS2024 SDK

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To install - extract the archive and copy all airport files (flybylatham-airport-XXX-XXXXXX) to your FS2024 community folder.

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Required

kev-library  https://flightsim.to/file/90419/kev-library  by TheReal.K3V

Mikea.at – AssetPack  https://flightsim.to/file/1923/mikea-at-assetpack  by Mikea.at