Use of helicopter in agriculture and forestry; fire fighting; sowing mustard seeds to prevent erosion and floods; use in geologic and geophysic projects; other uses.
Social uses of helicopter
Am Helicopter
American Helicopter ; 11 , n 9
1948
3 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Uses of Vibration in Helicopter Flying
NTIS | 1973
|Helicopter monitoring system uses Litton V2A2 lightweight computer
Emerald Group Publishing | 2001
Helicopter rotor head, multirotor helicopter, and helicopter
Europäisches Patentamt | 2020
|Helicopter Rotor Head, Multirotor Helicopter, and Helicopter
Europäisches Patentamt | 2019
|Uses and Properties of Al-Li on the New EH101 Helicopter
NTIS | 1989
|