Maintenance and Modifications
101 Aviation STC Tames the Li-on aboard Gulfstreams
True Blue Power battery has an average lifespan of eight years
True Blue Power’s TB50 lithium-ion battery is now approved in the Gulfstream IV, G450, GV, and G550.
True Blue Power’s TB50 lithium-ion battery is now approved in the Gulfstream IV, G450, GV, and G550.

The FAA has approved 101 Aviation’s supplemental type certificate (STC) for installation of the True Blue Power TB50 lithium-ion battery in Gulfstream IV, G450, GV, and G550 models. True Blue Power, 101 Aviation, and Aloft AeroArchitects partnered on developing the STC.

At 44.3 pounds, the 50-amp TB50 battery weighs 51.7 pounds less than a NiCad and 41.7 pounds less than a lead-acid battery. Maintenance of the TB50 is also much simpler, with no scheduled checks during its average eight-year life, while NiCad and lead-acid batteries require deep cycling and regular capacity checks, according to True Blue Power. Nicad and lead-acid batteries also have a shorter lifespan.

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