Category:Sikorsky R-4

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English: Sikorsky R-4
Sikorsky R-4 
R-4 AC HNS1 3 300.jpg
helicopter
Wikipedia-logo-v2.svg Wikipedia
Instance ofhelicopter
Operator
Based on
Developer
First flight14 January 1942
Service entry1944
Service retirement1946
Authority control
GND ID: 7520260-8
Wikidata
Blue pencil.svg

Subcategories

This category has only the following subcategory.

M

Pages in category "Sikorsky R-4"

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Media in category "Sikorsky R-4"

The following 34 files are in this category, out of 34 total.