By MATT SEYLER and MATT ZARRELL, ABC News (NEW YORK) -- Three Idaho Army National Guard personnel were killed after their UH-60 Black Hawk helicopter crashed south of Lucky Peak near Boise shortly after 8 p.m. Tuesday, officials said in a news release. All three personnel aboard were pilots with the Idaho Army National Guard participating in a routine training flight. The aircraft was last in contact at 7:45 p.m., according to Col. Christopher Burt, the Idaho Army National Guard's state aviation officer. The Emergency Transmitter Locator device aboard the aircraft was activated shortly after 8 p.m. and recovery procedures were initiated, which included air and ground search and rescue crews.