Statements (37)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:helicopter
|
| gptkbp:crew |
gptkb:1
|
| gptkbp:diameter |
38 ft 0 in
|
| gptkbp:engine |
gptkb:Lycoming_O-435
|
| gptkbp:first_flight |
gptkb:1942
|
| gptkbp:height |
11 ft 6 in
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sikorsky R-4
|
| gptkbp:introduced |
gptkb:1944
|
| gptkbp:length |
36 ft 6 in
|
| gptkbp:manufacturer |
gptkb:Sikorsky_Aircraft_Corporation
|
| gptkbp:max_speed |
100 mph
|
| gptkbp:notable_features |
first helicopter to be used for anti-submarine warfare
first helicopter to be used for law enforcement first helicopter to be used for medical evacuation first helicopter to be used for training purposes first helicopter to be used for transport missions first helicopter to be used in combat first helicopter to receive a military contract first mass-produced helicopter in the U. S. first helicopter to be used for search and rescue missions first helicopter to be used for reconnaissance missions |
| gptkbp:passenger_capacity |
gptkb:3
|
| gptkbp:range |
300 miles
|
| gptkbp:retired |
1950s
|
| gptkbp:role |
gptkb:helicopter
|
| gptkbp:service_ceiling |
10,000 ft
|
| gptkbp:successor |
Sikorsky R-6
|
| gptkbp:used_by |
gptkb:Royal_Air_Force
gptkb:United_States_Air_Force gptkb:U._S._Coast_Guard |
| gptkbp:variant |
Sikorsky R-4 A
Sikorsky R-4 B Sikorsky R-4 D |
| gptkbp:weight |
2,200 lb
|
| gptkbp:weight_limit |
3,200 lb
|
| gptkbp:bfsParent |
gptkb:Igor_Sikorsky
|
| gptkbp:bfsLayer |
5
|