EntityQ452012· pop 10· linked from 101 articlesAvro BisonSign in to save1921 reconnaissance aircraft familyConnectionsLewis gunEntityHawker Siddeley HS 748EntityArmstrong Whitworth ArgosyEntityNapier LionEntityAvro 531 SpiderEntityType EEntityUnited KingdomCountryEnglandEntityMaltaCountryInternational Standard Book NumberEntityInternational Standard Serial NumberEntityOCLC, Inc.EntityRoyal Air ForceEntityAvro LancasterEntityreconnaissanceEntityAvro VulcanEntityGosportEntity.303 VickersEntityAvroEntityAvro ManchesterEntityCategories1920s British military reconnaissance aircraftAircraft first flown in 1921Avro aircraftBiplanesSingle-engined tractor aircraft