Ryan designs UAV helicopter for U.S. Navy - VTOL aircraft could fly from small helicopter decks on combat ships
Aviation week & space technology ; 151 , 21
1999
Article (Journal)
English
Helicopter, first of VTOL aircraft
Engineering Index Backfile | 1961
|Helicopter and VTOL aircraft landing pad information sheet
European Patent Office | 2021
|Helicopter and VTOL Aircraft Landing Pad Information Sheet
European Patent Office | 2019
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