Alex KrollApr 10, 20234 min readUniversal Hydrogen Successfully Tests Transport Category Hydrogen Fuel Cell powered aircrafthttps://www.businesswire.com/news/home/20230302005768/en/Universal-Hydrogen-Successfully-Completes-First-Flight-of-Hydrogen-Regional-Airl...
Alex KrollJun 2, 20203 min readHow Well Do You Know What You Know?Every flight test professional is familiar with the following graphic: The Air Force, and other test organizations, use the simple chart...
Alex KrollApr 17, 20202 min readThe Value of Scientific ModelingScientific modeling has been thrust back into the spotlight due to the COVID-19 pandemic, with some questioning the results and validity...
Alex KrollMar 25, 20202 min readEntering the Commercial Electric MarketElectric aircraft have consumed headlines as of late, as fuel and maintenance costs take their toll and the environmental regrets hit...
Alex KrollMar 13, 20202 min readWhy we testBoeing's recent Starliner failure was due to a software clock error which would have been caught in a fully integrated ground test. The...