Term
| What components make up the DA42 electrical system? |
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Definition
One 24VDC 10am hour battery
Two 70 Amp alternators
One alternator excitation battery
Two ECU batteries
One emergency battery to power the flood light and standby attitude indicator |
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Term
| How many electrical buses are there? |
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Definition
Battery bus
Hot battery Bus (powers pilot overhead light & ELT)
LH main bus
RH main bus
R ECU bus
L ECU bus
Avionics bus |
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Term
| How many batteries are there, in total? |
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Definition
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Term
| What equipment is not electrically powered? |
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Definition
| Standby altimeter and standby airspeed indicator |
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Term
| If the main battery and alternators fail, how long will the ECUs run on the dedicated battery? |
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Definition
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Term
| What is the procedure for handling a complete electrical failure? |
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Definition
Circuit breakers - check in
Emergency power switch - on
Engine power - set by sound and approximate power lever position
Land at nearest suitable airport |
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Term
| What is the procedure for handling an electrical fire in flight? |
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Definition
Emergency power switch - ON
Avionics master - OFF
Electric master - OFF
Cabin heat and defroster - OFF
Emergency window - open as necessary
Land at nearest suitable airport |
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