The aircraft is a NNSA twin-engine Bell 412 helicopter equipped with radiation-sensing technology. The flyovers will be about 80 miles per hour at 150 feet or higher above ground. Flights will ...
Read also: Slovakia and Ukraine vie for advanced AH-1Z Viper helicopters The Bell 412-HP helicopter is a twin-engine aircraft with a four-blade rotor, capable of carrying up to eight passengers.