<font face="Verdana, Arial, Helvetica" size="2">)I had a door unlatch on an Aztec years ago with only me in the aircraft (and, yes, I did latch it correctly - a maintenance related problem). I had a dickens of a time to get the door relatched.</font>
all piper drivers, save yourself the hernia and open the storm window before you try and shut the door.
<--first hand experience