{"action":"opened","issue":{"url":"https://api.github.com/repos/ArduPilot/ardupilot/issues/4481","repository_url":"https://api.github.com/repos/ArduPilot/ardupilot","labels_url":"https://api.github.com/repos/ArduPilot/ardupilot/issues/4481/labels{/name}","comments_url":"https://api.github.com/repos/ArduPilot/ardupilot/issues/4481/comments","events_url":"https://api.github.com/repos/ArduPilot/ardupilot/issues/4481/events","html_url":"https://github.com/ArduPilot/ardupilot/issues/4481","id":165816675,"number":4481,"title":"SITL with ArduPlane v3.6.0 Unable to take off","user":{"login":"RoverHunter","id":10587688,"avatar_url":"https://avatars.githubusercontent.com/u/10587688?v=3","gravatar_id":"","url":"https://api.github.com/users/RoverHunter","html_url":"https://github.com/RoverHunter","followers_url":"https://api.github.com/users/RoverHunter/followers","following_url":"https://api.github.com/users/RoverHunter/following{/other_user}","gists_url":"https://api.github.com/users/RoverHunter/gists{/gist_id}","starred_url":"https://api.github.com/users/RoverHunter/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/RoverHunter/subscriptions","organizations_url":"https://api.github.com/users/RoverHunter/orgs","repos_url":"https://api.github.com/users/RoverHunter/repos","events_url":"https://api.github.com/users/RoverHunter/events{/privacy}","received_events_url":"https://api.github.com/users/RoverHunter/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-07-15T15:39:13Z","updated_at":"2016-07-15T15:39:13Z","closed_at":null,"body":"#### Issue details\r\nI am unable to simulate using XPlane 10.45 with Mission Planner. I have follow this Tridge tutorial of [Using SITL with your own GCS](http://ardupilot.org/dev/docs/sitl-with-xplane.html#using-sitl-with-your-own-gcs) to get everything ready for SITL but unfortunately the plane does not takeoff.\r\nI had some trouble compiling but with the help of issue [#4471](https://github.com/ArduPilot/ardupilot/issues/4471) I was able to compile with not errors.\r\n\r\nOn Mission Planner, under Simulation tab, after Sim Link Start/Stop and connect to the simulation via TCP, I get no Plane GPS, Plane IMU, Ardupilot Output or Autopilot Status data, which is strange when comparing with older ardupilot version such as the 3.4.\r\n\r\nI do a mission, with takeoff, arm the plane, and when in Auto, the plane does not takeoff.\r\n\r\nWhen I open a new airport on XPlane, the plane is relocated correctly on Mission Planner, and I can see under Net Connections / Data that the last message was received at 0.0 seconds ago, so I assume Mission Planner and Xplane are talking to each other correctly.\r\n\r\nWhat could I be doing wrong?\r\n\r\n\r\n#### Version\r\nUsing fc41e0e44e5c28ffbd2881cbad825b7b1736b2e0 build with Mission Planner 1.3.39.1 build 1.1.6040.17593.\r\n\r\n#### Platform\r\n[  ] All\r\n[  ] AntennaTracker\r\n[  ] Copter\r\n[X] Plane\r\n[  ] Rover\r\n\r\n"}}
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