bn:01659424n
Noun Named Entity
Categories: High-wing aircraft, Single-engined tractor aircraft, Soviet military reconnaissance aircraft 1930–1939, Chyetverikov aircraft, Submarine-borne aircraft
EN
Chyetverikov SPL  Chetverikov OSGA-101  Chetverikov SPL  Chyetverikov Gidro-1  Chyetverikov OSGA-101
EN
The SPL was a submarine borne flying boat designed and built in the USSR from 1931. Wikipedia
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EN
The SPL was a submarine borne flying boat designed and built in the USSR from 1931. Wikipedia
Flying boat Wikidata