🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiSvenskaTiếng Việtفارسی中文日本語EntityQ3714640· pop 9· linked from 357 articlesO-2Also known as Douglas O-2, O-2 (Douglas), O2 (Douglas)1924 observation aircraft family by DouglasWikidata factsImageDouglas O-2H at NACA Langley Research Center 1934.JPGSources (1)wikidata.orgvia Wikidata · CC0Available in 8 languagesEspañolFrançais中文ItalianoBahasa IndonesiaTiếng Việtفارسیvia Wikidata sitelinks · CC0ConnectionsDouglas mailplaneEntityUnited States Marine CorpsEntityCategories1920s United States military reconnaissance aircraftAircraft first flown in 1924Aircraft with fixed conventional landing gearBiplanesDouglas aircraftSingle-engined piston aircraftSingle-engined tractor aircraft