Beware though - check AC output voltage and frequency before using it!
I have oft used a 115v 50-60 hz. "wall wart" in a 400 hz. cockpit outlet with no ill effects - in fact it runs cooler (more efficient) than on normal household power. The reason is that the higher the frequency, the less iron is required in the transformer core.
The converse is NOT true - if the device is placarded for a 400 hz. source, it will quickly fry itself if plugged into 50 or 60 hz.
