Statements (20)
| 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 |
1932
|
| https://www.w3.org/2000/01/rdf-schema#label |
Keystone B-4
|
| gptkbp:introduced |
1932
|
| gptkbp:manufacturer |
gptkb:Keystone_Aircraft
|
| gptkbp:maximumSpeed |
120 mph
|
| gptkbp:numberBuilt |
55
|
| gptkbp:predecessor |
gptkb:Keystone_B-3
|
| gptkbp:primaryUse |
bomber
|
| gptkbp:retired |
1934
|
| gptkbp:serviceCeiling |
15,200 ft
|
| gptkbp:successor |
gptkb:Martin_B-10
|
| gptkbp:usedBy |
United States Army Air Corps
|
| gptkbp:bfsParent |
gptkb:Keystone_Aircraft
gptkb:Wright_R-1750-3_radial_engines |
| gptkbp:bfsLayer |
7
|