Some of them do some dont. My airline only has 2 airframes with AP. The EFIS is very rudemetry ( Collins 84 ), but it is all you really need, and if it has AP it will be coupled to the FD panel above the EADI, ( in other words the AP is only there to follow whatever commands the FD gives it.)and it (FD) isnt coupled to the altitude alerter in non AP aircraft. In the case of our non-AP aircraft if you are flying the FD the pilot is basically the servo...lol

. The AP itself is usually located on the center console about midway down by the Capt. right leg, if your using cockpit pics to locate it. The plane honestly doesnt need AP, because it trims hands free very easy, it is a joy to fly..just like your King air ( we call it a King Air Heavy). I know its ugly, but I love this plane....