Robert C. Helt (USA)

Status 
ratified - retired by changes of the sporting code
Zone 
World
Class 
C (Powered Aeroplanes)
Sub-Class 
C-1 (Landplanes)
Group 
3: turbo-jet
Type of record 
Altitude in horizontal flight
Performance 
25 929 m
Date 
28 Jul 1976
Course / Location 
Beale Air Force Base, CA (USA)
Claimant 
Robert C. Helt (USA)
Type of engine 
J-58/JTD11D-20A
Aircraft 
SR-71 "Blackbird"
Aircraft manufacturer 
Lockheed
Aircraft engine manufacturer 
Pratt & Whitney