1 Each type of aircraft has a group of buses identified by…………………... 2 A flight-essential bus may power emergency lighting, ……………………. 3 Less important critical equipment receives ………………………………... 4 Normal systems used to complete the assigned mission or…………………. 5 The input to a bus may be either ……………………………………………. 6 The output from the bus has a protective device such as …………………... 7 There are basically two types of power transfer contactors: ……………….. 8 A single coil contactor consists of auxiliary contacts and………………….. 9 The auxiliary contacts normally control identification lights on ………….. 10 The two sets of three main contacts are arranged so ……………………... 11 A double coil relay is a two-section mechanically ………………………. 12 Electrical power is provided to the buses from four sources:…………….. 13 The distribution system consists of five three-phase ac buses:………….. IVRead the situation with your partner and decide how this problem can be solved. Situation:An aircraft electrical system is a self-contained network of components that generate, transmit, distribute, utilize and store electrical energy. In emergency situation an electrical failure can affect to the generator, bus, any avionics, radio equipment and also can lead to electrical system fire. All of this failures may provide loss of some or all or primary power generation capability, loss of all components and system powered by the failed bus, loss of an individual component; potential loss of aircraft should the fire become uncontrollable, loss of busses; systems or components due to the fire or as a result of electrical isolation procedures; smoke and fumes. Electrical system failure in flight. What is the action of a pilot in this case?
