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:
American Airlines Shuttle
Table title:
Fleet
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Aircraft </th><th colspan=3 rowspan=1 > Passengers </th><th colspan=1 rowspan=2 > Routes </th><th colspan=1 rowspan=2 > Notes </th></tr>
<tr> <th colspan=1 rowspan=1 > F </th><th colspan=1 rowspan=1 > Y </th><th colspan=1 rowspan=1 > Total </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Embraer 175 </td><td colspan=1 rowspan=1 > 12 </td><td colspan=1 rowspan=1 > 64 </td><td colspan=1 rowspan=1 > 76 </td><td colspan=1 rowspan=1 > Washington – New York </td><td colspan=1 rowspan=1 > Operated by Republic Airline </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Airbus A319-100 </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > 120 </td><td colspan=1 rowspan=1 > 128 </td><td colspan=1 rowspan=1 > Washington – Boston New York – Boston </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Embraer 190 </td><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > 88 </td><td colspan=1 rowspan=1 > 99 </td><td colspan=1 rowspan=1 > Washington – New York New York – Boston </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Boeing 737-800 </td><td colspan=1 rowspan=1 > 16 </td><td colspan=1 rowspan=1 > 144 </td><td colspan=1 rowspan=1 > 160 </td><td colspan=1 rowspan=1 > Chicago – New York </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What are the four different types of aircrafts that American Airlines Shuttle has?
Answer:
The American Airlines Shuttle has Airbus A319, Embraer 175, Embraer 190, and Boeing 737 aircraft.