fgdata/Traffic/general/KSFO/c182.xml

<?xml version="1.0"?>
<trafficlist>
    <aircraft>
        <model>Aircraft/c172/Models/c172-dpm.xml</model>
        <livery>UAL</livery>
        <registration>C-DPM</registration>
        <heavy>false</heavy>

        <flight>
            <callsign>C-DPM</callsign>
            <fltrules>VFR</fltrules>
            <departure>
               <port>KSFO</port>
               <time>15:00:00</time>
            </departure>
            <cruise-alt>300</cruise-alt>
            <arrival>
                <port>KOAK</port>
                <time>15:30:00</time>
            </arrival>
        <repeat>2Hr</repeat>
       </flight> 

       <flight>
            <callsign>C-DPM</callsign>
            <fltrules>VFR</fltrules>
            <departure>
               <port>KOAK</port>
               <time>16:00:00</time>
            </departure>
            <cruise-alt>310</cruise-alt>
            <arrival>
                <port>KSFO</port>
                <time>16:30:00</time>
            </arrival>
        <repeat>2Hr</repeat>
       </flight>
    </aircraft>
</trafficlist>