Electrical Flashcards
External power cart Volt and Amp rating
28.0-28.4V
1000a momentarily and 300a continuously
Voltmeter indications after 2nd engine start
28/28
Minimum battery voltage before connecting external power
20V
Normal gen load difference
Within 10%
Before starting left engine, right loadmeter should indicate ___ or less during engine starting (battery) checklist
50%
Minimum battery voltage prior to beginning engine starting (battery) checklist
23V
Battery switch position prior to connecting external power
ON
Baggage area and cabin entry light bus is…
Hot battery bus
Essential bus power supply source(s)…
Isolation bus and #1 dual fed bus
External power receptacle location
Under right wing outboard of nacelle
EXT PWR caution annunciator indicates…
External power plug is connected to aircraft
Max sustained generator loads
Ground 85%
At 31000 and below 100%
Above 31000 88%