FlightGear - Flight Simulator FGAddon

Airspeed-Horsa: re-enable aerotow over multiplayer, by enrogue.

Douglas-Dc3: enable towing a glider over multiplayer. Minor fixes.

ASG29: Various updates and fixes, remove YASim version

Ryan Navion / Super Navion 260 [0.3.9]
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changes:
- label of trim wheel (up/down)

777: - fix radio stack bug;
- make radio settings optionally persistant;
- fix strobe/beacon light bug because of too slow listener not keeping up with the rhythm.
- found and fixed some small typos when searching for the radio issues.

F-15 V1.9 : Merged revision(s) 3817-4002 from trunk/Aircraft/F-15:

F-15: V1.9

- Nasal optimisations
- optimised Canvas displays
- Using emesary M_exec for Nasal mainloop
- JSBSim runtime error fixes
- FCS / AFCS improvements (Joshua Davidson)
- Improved MPCD SIT (map) (Nikolai)
- VSD fixed target aspect display
- FDM mass properties corrections (fuel/payload/stores/pylons positions)

777: radio and fuel state update
- enable 8.33 kHz radio's (C++ bug disables R radio panel for the moment, but should be solved soon). Shift-scrolling the center button in-/decreases the frequency with 100 kHz intervals, for quicker frequency selection. Tooltips can be disabled from the Aircraft settings dialog.
- Add option to save fuel level between sessions, default is disabled, can be enabled from the Aircraft settings dialog.
- Added Aircraft settings dialog (basic dialog, will become the base for future persistent Aircraft settings).
- Enable YASim 2018.1

F-14: Model V1.9 Merged from trunk/Aircraft/f-14b:

F-14: Model V1.9 Merged revision(s) 3996 from trunk/Aircraft/f-14b: