Indigo 6E 657 passenger flight travelling from Vadodara to Delhi lost power in its cabin just before take off on May 17, 2026. The flight was scheduled to depart from Vadodara at 8.40 pm with around 160 people aboard the aircraft, when it lost connection to its ground power unit (GPU). The cabin was left pitch black without air conditioning for around 30 minutes.
According to an airport official, the aircraft was relying on the GPU for electrical supply at the time when the system developed a fault. The ground power unit suddenly malfunctioned. A GPU is an external electrical generator