FlightGear - Flight Simulator FGAddon

Reference: Lockheed Super Constellation Crew Operating Manual, 4-216
http://www.avialogs.com/viewer/avialogs-documentviewer.php?id=3447

* Disable autopilot switch when altitude switch is on
* Disable pitch wheel when altitude switch is on
* Allow bank select in NAV modes, returning to NAV when bank == 0
* Allow bank select up to 30 degrees (produces standard rate turn)
* Make default pitch consistent at 4.0
* Implement autopilot warning light using property rules
* Autopilot considered on if speed hold switched on via keyboard

Patch by Richard Senior.