Russel M. Dobyns (USA)

Status 
ratified - retired by changes of the sporting code
Zone 
World
Class 
E (Rotorcraft)
Sub-Class 
E-1 (Helicopters)
Category 
General
Group 
1 : piston engine
Type of record 
Altitude without payload
Performance 
6 739 m
Date 
02 Sep 1953
Course / Location 
Dayton, OH (USA)
Claimant 
Russel M. Dobyns (USA)
Type of engine 
_unknown engine
Aircraft 
YH-21
Aircraft manufacturer 
Piasecki
Documents