<tr><td> Check all cockpit electronics. </td><td> </td><td> </td></tr>
<tr><td> Check and adjust mechanical compass. </td><td> </td><td> </td></tr>
<tr><td> Check [[SextantNavigation|sextant]] if you carry one.</td><td> </td><td> </td></tr>
<tr><td> Check and / or test breakers and fuses. </td><td> </td><td> </td></tr>
<tr><td> Check all ventilation systems, and ventilation closures. </td><td> </td><td>