PropertyValue
rdf:type
rdfs:label
  • Sikorsky R-4
owl:sameAs
prov:wasDerivedFrom
skos:prefLabel
  • Sikorsky R-4
skos:altLabel
  • helicopter
  • R-4
  • HNS
  • Hoverfly
  • Sikorsky R-6
  • Sikorsky R-6A Hoverfly II
  • HNS-1
  • Hoverfly I
  • R-4 Hoverfly
  • R-4 helicopters
  • R-4B Hoverfly I
  • Sikorsky HNS-1
  • Sikorsky Hoverfly
  • Sikorsky Hoverfly I & II
  • Sikorsky R-4 Hoverfly
  • Sikorsky R-4 and R-6
  • Sikorsky R-4B Hoverfly
  • Sikorsky R-4B Hoverfly/Gadfly
  • Sikorsky R-4B \"Hoverfly\"
  • Sikorsky S-54
  • Sikorsky XR-4
  • Sikorsky YR-4
  • Sikorsky YR-4 helicopter
  • Vought-Sikorsky Hoverfly
  • Vought-Sikorsky VS-316 R-4
  • Vought-Sikorsky XR-4C
  • XR-4
  • YR-4
  • YR-4B
  • \"hoverflies\"
  • early light helicopters
clgo:designer
clgo:manufacturer
clgo:numberBuilt
  • 131
clgo:origin
clgo:predecessor
clgo:productionEndYear
  • 1944
clgo:productionStartYear
  • 1942
clgo:type
is clgo:knownFor of
is clgo:predecessor of