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
Aufsatz (Zeitschrift)
Englisch
Helicopter, first of VTOL aircraft
Engineering Index Backfile | 1961
|Helicopter and VTOL aircraft landing pad information sheet
Europäisches Patentamt | 2021
|Helicopter and VTOL Aircraft Landing Pad Information Sheet
Europäisches Patentamt | 2019
|