July 12, 200322 yr A good test for a _flight simulator_ electrical system is to take off, find a clear bit of airspace above 10,000'... and switch off your engine/APU generators and battery/Stby Power systems.... and see which airplane systems still work. Note: This is not the same as switching your engines off... Your engines should still be running* and your flight controls/Trim(manual, at least) should still be working.... which gives you time to experiment. As far as I know, your flaps and landing gear should also work normally, too (but don't expect things such as autoslats and flap load relief to operate).*As long as you're gentle with them On most aircraft, only the "Hot" battery bus should be active (it's always active, even on a dead ship). On the 737, this powers minor things, such as your chronometer (i.e. the internals, not necessarily your display), standby airspeed illumination, standby altimeter illumination, APU fire bottles, APU Fire Detection system, Engine Fire Detection System, Engine Fire Bottles, Fuel Crossfeed Shutoff Valve and the Emergency Evac Signalling System.Anything else powered is a fault. I think Tero would appreciate this test (grin).Cheers.Ian.
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