DA20-C1 Flight Manual
Supplement 3
Doc # DA202-C1 April 16, 2009 Page S3 - 3
7. DESCRIPTION OF THE AIRPLANE AND ITS SYSTEMS
The Recognition Light System consists of 3, 35 watt lamps located in the left wing and the
landing light. The lamps are aimed specifically to increase the aircraft's visibility on final
approach and head on. One of the lamps is aimed to perform the function of the original taxi
light. The 3 lamps and the original landing light are connected to a Pulselite power supply which
allows one or more of the lights to be pulsed at approximately 46 times per minute. The
instrument panel modifications include a Pulse Switch on the left side of the Lights switch panel
and a Pulse System circuit breaker on the right side of the Lights panel (see Figure 2).
Figure 2.
With the Taxi and Landing switches in the OFF position, selecting the Pulse switch to ON
causes the three lamps and the landing light to pulse simultaneously. Selecting either the Taxi
light or the Landing light to ON while the Pulse switch is in the ON position causes the
corresponding lamp(s) to remain on steady. With the Pulse switch in the off position the Taxi
light and Landing light function as normal light circuits.
Revision 24 DOT Approved
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