Disclaimer : This is only a livery (skin) for Captainsim's C-130E, don't ask me to fix the issues of the stock aircraft
Thanks to my friend Albie who created the a more detailed cockpit, download from here https://flightsim.to/file/33147/texture-file-for-cockpit-view-captainsim-c-130-exterior
The YC-130 prototype :
A snapshot of the information from this website, pls have a look at the full story : https://www.thisdayinaviation.com/tag/lockheed-yc-130-hercules/
23 August 1954: The first of two Lockheed YC-130 Hercules four-engine transport prototypes, 53-3397, made its first flight from the Lockheed Air Terminal at Burbank, California, to Edwards Air Force Base.
The flight crew consisted of test pilots Stanley Beltz and Roy Wimmer, with Jack G. Real (a future Lockheed vice president) and Dick Stanton as flight engineers.
From a standing start, the YC-130 was airborne in 855 feet (261 meters), The flight lasted 1 hour, 1 minute.
The C-130 was designed as a basic tactical transport, capable of carrying 72 soldiers or 64 paratroopers. All production aircraft have been built at Lockheed Martin’s Marietta, Georgia, plant.