at less than their rated power if desired to increase the life of light sources 302 the light sources 302 may be electrically connected in series to improve reliability rows of light sources 302 may be separately wired as shown in fig5 and 6 to prevent all of the light sources 302 from turning off if one light source 302 were to fail electrical power from the aircraft is supplied to control circuit 400 by electrical wiring 208 the high voltage protection filter 402 isolates electrical noise between the aircraft and control circuit 400 the power supply 404 such as a voltage regulator conditions the electrical power from the aircraft to a voltage level suitable for the components in control circuit 400 the driver 406 such as a current limiter controls the amount of current supplied to the light sources 302 the light sources 302 may be operated at less than their rated power if desired to increase the life of light sources 302 the light sources 302 are electrically connected in a series parallel network 0035 fig7 illustrates a preferred means for superimposing data on the light emitted by position light 200 electrical power from the aircraft is supplied to a control circuit 600 by electrical wiring 208 control circuit 600 may be located inside housing structure 202 or may be located remotely a high voltage protection filter 604 isolates electrical noise between the aircraft and control circuit 600 a power supply 606 such as a voltage regulator conditions the.