UH-IH Helicopter (NASA-733) with side door opened displaying STOLAND instruments parked in front of the NASA Hangar.

UH-IH (USA 64-13628 NASA 734) IN FLIGHT. Rotorcraft Research. NASA SP Flight Research at Ames: 57 Years of Development and Validation of Aeronautical Technology

UH-IH (USA 69-15231 NASA-733) V/STOLAND helicopter parked in front of the NASA Hangar. Note: Used in publication in Flight Research at Ames; 57 Years of Development and Validation of Aeronautical Technology NASA SP-1998-3300 fig. 129