Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
British Rail Class 489
Table title:
Fleet status
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Unit no. </th><th colspan=2 rowspan=1 > Vehicle nos. </th><th colspan=1 rowspan=2 > Operator </th><th colspan=1 rowspan=2 > Withdrawn </th><th colspan=1 rowspan=2 > Status </th></tr>
<tr> <th colspan=1 rowspan=1 > DMLV </th><th colspan=1 rowspan=1 > ex-DMBSO </th></tr>
<tr> <td colspan=1 rowspan=1 > 489101 </td><td colspan=1 rowspan=1 > 68500 </td><td colspan=1 rowspan=1 > 61269 </td><td colspan=1 rowspan=1 > Gatwick Express </td><td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > Preserved </td></tr>
<tr> <td colspan=1 rowspan=1 > 489102 </td><td colspan=1 rowspan=1 > 68501 </td><td colspan=1 rowspan=1 > 61281 </td><td colspan=1 rowspan=1 > Arlington Fleet Group Ltd </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > In service as de-icing unit (stored 2000-06) </td></tr>
<tr> <td colspan=1 rowspan=1 > 489103 </td><td colspan=1 rowspan=1 > 68502 </td><td colspan=1 rowspan=1 > 61274 </td><td colspan=1 rowspan=1 > Gatwick Express </td><td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > Scrapped (2003) </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 489104 </td><td colspan=1 rowspan=1 > 68503 </td><td colspan=1 rowspan=1 > 61277 </td><td colspan=1 rowspan=1 > Gatwick Express </td><td colspan=1 rowspan=1 > 2005 </td><td class="highlighted"  colspan=1 rowspan=1 > Preserved </td></tr>
<tr> <td colspan=1 rowspan=1 > 489105 </td><td colspan=1 rowspan=1 > 68504 </td><td colspan=1 rowspan=1 > 61286 </td><td colspan=1 rowspan=1 > Arlington Fleet Group Ltd </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > In service as de-icing unit </td></tr>
<tr> <td colspan=1 rowspan=1 > 489106 </td><td colspan=1 rowspan=1 > 68505 </td><td colspan=1 rowspan=1 > 61299 </td><td colspan=1 rowspan=1 > Network Rail </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > In service as de-icing unit </td></tr>
<tr> <td colspan=1 rowspan=1 > 489107 </td><td colspan=1 rowspan=1 > 68506 </td><td colspan=1 rowspan=1 > 61292 </td><td colspan=1 rowspan=1 > Gatwick Express </td><td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > Preserved </td></tr>
<tr> <td colspan=1 rowspan=1 > 489108 </td><td colspan=1 rowspan=1 > 68507 </td><td colspan=1 rowspan=1 > 61267 </td><td colspan=1 rowspan=1 > Gatwick Express </td><td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 > Scrapped (2009) </td></tr>
<tr> <td colspan=1 rowspan=1 > 489109 </td><td colspan=1 rowspan=1 > 68508 </td><td colspan=1 rowspan=1 > 61272 </td><td colspan=1 rowspan=1 > Network Rail </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Scrapped at Eastleigh Works (August 2012) </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 489110 </td><td colspan=1 rowspan=1 > 68509 </td><td colspan=1 rowspan=1 > 61280 </td><td colspan=1 rowspan=1 > Gatwick Express </td><td colspan=1 rowspan=1 > 2005 </td><td class="highlighted"  colspan=1 rowspan=1 > Preserved </td></tr>
</table>
Question:
Which two British Rail Class 489 locomotives are still in use?
Answer:
Nos. 489104 and 489110 were still in use.