A technique to prevent this is load shedding by rolling blackout or voltage reduction (brownout). The term brownout comes from the dimming experienced by incandescent lighting when the voltage sags. The CH-47 Chinook has had a relatively high frequency of brownout accidents. A source of contention surrounds the brownout voltages for battery-operated devices. In night landings, aircraft lighting can enhance the visual illusions by illuminating the brownout cloud. The helicopter crashed due to a brownout. This process is called recirculation and can lead to a complete brownout in severe situations. The USAF investigation ruled out brownout conditions, enemy fire, and vortex ring state as causes. Te Va Gustar, Brownout and Deer Tick. Game canceled due to a brownout experienced in the venue. The Army cites brownout in three out of every four helicopter accidents there. His 1942 oil painting "Brownout" sold in 2010 for $228,000. His first novel to be self-published was "Brownout on Breadfruit Boulevard". Brownout is an American latin-funk band from Austin, Texas. Brownout is the only studio album of American band Head Set.