Statements (15)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:aircraft | 
| gptkbp:crew | 2 to 3 | 
| gptkbp:engineType | Wright R-1820-30 Cyclone | 
| gptkbp:firstFlight | 1930s | 
| gptkbp:manufacturer | gptkb:Grumman | 
| gptkbp:partOf | gptkb:Grumman_J2F_Duck | 
| gptkbp:primaryUse | utility reconnaissance air-sea rescue | 
| gptkbp:role | gptkb:amphibious_biplane | 
| gptkbp:usedBy | gptkb:United_States_Coast_Guard gptkb:United_States_Navy | 
| gptkbp:bfsParent | gptkb:Grumman_J2F_Duck | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | J2F-4 |