Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
bomber
|
| gptkbp:armament |
bombs
machine guns |
| gptkbp:crew |
5
|
| gptkbp:engineType |
Pratt & Whitney R-1860 Hornet B radial engines
|
| gptkbp:firstFlight |
1931
|
| gptkbp:height |
18 ft 10 in
|
| https://www.w3.org/2000/01/rdf-schema#label |
Keystone B-4A
|
| gptkbp:introduced |
1932
|
| gptkbp:length |
48 ft 10 in
|
| gptkbp:manufacturer |
gptkb:Keystone_Aircraft
|
| gptkbp:maximumSpeed |
114 mph
|
| gptkbp:numberBuilt |
25
|
| gptkbp:numberOfEngines |
2
|
| gptkbp:predecessor |
gptkb:Keystone_B-3A
|
| gptkbp:primaryUse |
bomber
|
| gptkbp:retired |
mid-1930s
|
| gptkbp:successor |
gptkb:Martin_B-10
|
| gptkbp:usedBy |
United States Army Air Corps
|
| gptkbp:wingspan |
74 ft 8 in
|
| gptkbp:bfsParent |
gptkb:Wright_R-1750_Cyclone
|
| gptkbp:bfsLayer |
8
|