Developed by Piasecki then Boeing-Vertol.
Type | 2tandem rotor helicopter |
---|---|
Author(s) | Gerard Robin |
FDM | ? |
--aircraft= |
/H-21C: /H-21C: /H-21C: /H-21C: /H-21C: /H-21C: /H-21C: /H-21C: /H-21C: /H-21C: /H-21C: |
Status | alpha |
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H-21C: Piasecki_H-21C_Helicopter