Engines
FAA Issues STCs For New True Blue Batteries
True Blue TB44 batteries can now be installed on Cessna Caravan and Bombardier Dash 8 aircraft.
According to True Blue, its TB44 batteries deliver more power and 
are more reliable.
According to True Blue, its TB44 batteries deliver more power and are more reliable.

The FAA has issued supplemental type certificates for True Blue Power’s TB44 lithium-ion batteries on Cessna 208 and 208B Caravans and Bombardier Dash 8-100, -200 and -300 turboprops. According to True Blue (Booth 2050), the TB44 offers operational and performance improvements over nickel-cadmium or lead-acid batteries, including triple the energy per kilogram; double the lifespan; more rapid recharge; cooler and cleaner engine restarts; superior high temperature and cold weather performance; reduced weight maintenance cost and direct operating cost; and zero carbon emissions.