Oi, Evo, that's twice in two days
BTW,
CAA Airworthiness Notice No. 88 requires a single-engined aircraft equipped with an engine driven electrical generating system to be provided with a clear and unmistakable warning to the pilot that the alternator or dc generator output voltage has fallen to a level where the battery is supplying power to the electrical loads....
See:
http://www.caa.co.uk/docs/33/AIL0130.pdf
Naah, naah, na-naah, naaah!
