Specify aircraft to load.
.TP
.BI "--aircraft-dir=" "path"
-Specify the aircraft model directory relative to the path of the
-executable. This is used for UIUC aircraft only.
+Specify the exact directory to use for the aircraft (normally not required,
+but may be useful for testing).
.TP
-.BI "--airport-id=" "id"
+.BI "--airport=" "id"
Specify starting postion by airport ID.
.TP
.BI "--altitude=" "value"
-Specify starting altitude (in feet unless --units-meters specified).
+Specify starting altitude (in feet unless \-\-units\-meters specified).
.TP
.BI "--atc610x"
Enable atc610x interface.
Load additional properties from path. Multiple instances of this
option are recognized.
.TP
-.BI "--control=" "mode"
-Primary control mode (joystick, keyboard, mouse).
-.TP
.BI "--dme=" "{nav1|nav2|frequency}"
Specify the NAV radio from which to slave the ADF or set its internal
frequency.
.B "--disable-fullscreen"
Disable fullscreen mode.
.TP
-.B "--disable-game-mode"
-Disable fullscreen game mode.
-.TP
.B "--disable-horizon-effect"
Disable celestial body growth illusion near the horizon..
.TP
.B "--disable-hud-3d"
Disable 3D HUD.
.TP
-.B "--disable-intro-music"
-Disable introduction music.
-.TP
.B "--disable-mouse-pointer"
Disable extra mouse pointer.
.TP
-.B "--disable-network-olk"
-Disable Multi-pilot mode.
-.TP
.B "--disable-panel"
Disable instrument panel.
.TP
.B "--disable-random-objects"
Disable random scenery objects (buildings, trees, etc).
.TP
-.B "--disable-skyblend"
-Disable sky blending.
-.TP
.B "--disable-sound"
Disable sound effects.
.TP
.B "--disable-splash-screen"
Disable splash screen.
.TP
-.B "--disable-textures"
-Disable textures.
-.TP
.B "--disable-wireframe"
Disable wireframe drawing mode.
.TP
.B "--enable-fullscreen"
Enable fullscreen mode.
.TP
-.B "--enable-game-mode"
-Enable fullscreen game mode.
-.TP
.B "--enable-horizon-effect"
Enable celestial body growth illusion near the horizon.
.TP
.B "--enable-hud-3d"
Enable 3D HUD.
.TP
-.B "--enable-intro-music"
-Enable introduction music.
-.TP
.B "--enable-mouse-pointer"
Enable extra mouse pointer (i.e. for full screen voodoo/voodoo-II
based cards.)
.TP
-.B "--enable-network-olk"
-Enable Multi-pilot mode.
-.TP
.B "--enable-panel"
Enable instrument panel.
.TP
.B "--enable-random-objects"
Enable random scenery objects (buildings, trees, etc).
.TP
-.B "--enable-skyblend"
-Enable sky blending.
-.TP
.B "--enable-sound"
Enable sound effects.
.TP
.B "--enable-splash-screen"
Enable splash screen.
.TP
-.B "--enable-textures"
-Enable textures.
-.TP
.B "--enable-wireframe"
Enable wireframe drawing mode.
.TP
Specify the flight dynamics model to use. Name may be one of jsb, larcsim,
yasim, magic, balloon, ada, external, or null.
.TP
+.BI "--fg-aircraft=" "path"
+Specify an additional path to search for aircraft directories. (can be repeated)
+.TP
.BI "--fg-root=" "path"
Specify the root path for data files.
.TP
Specify heading or yaw angle (degrees).
.TP
.BR "--help" ", " "-h"
-Show a brief help message. Use --verbose,-v for a full listing of options.
+Show a brief help message. Use \-\-verbose,\-v for a full listing of options.
.TP
.BI "--httpd=" "port"
Start an HTTP server on the specified port.
.BI "--ndb=" "ID"
Specify starting position relative to an NDB.
.TP
-.B "--net-hud"
-Enable network information in the HUD.
-.TP
-.BI "--net-id=" "name"
-Specify your callsign.
-.TP
.BI "--nmea=" "medium" "," "direction" "," "hz" "," "options" "," "..."
Open an IO connection using the NMEA protocol.
.TP
Open an IO connection using the PVE (Provision Entertainment) protocol.
.TP
.B "--random-wind"
-Randomize initial wind parameters. See also: --wind.
+Randomize initial wind parameters. See also: \-\-wind.
.TP
.BI "--ray=" "medium" "," "direction" "," "hz" "," "options" "," "..."
Open an IO connection to a "RayWoodworth" motion chair.
.TP
.BI "--uBody=" "value"
Specify velocity along the body X axis (feet per second unless
---units-meters specified).
+\-\-units\-meters specified).
.TP
.B "--units-feet"
Use feet instead of meters. Affects other options as well as the
.TP
.BI "--vBody=" "value"
Specify velocity along the body Y axis (feet per second unless
---units-meters specified).
+\-\-units\-meters specified).
.TP
.BI "--vc=" "knots"
Specify initial airspeed (knots).
.TP
.BI "--wBody=" "value"
Specify velocity along the body Z axis (feet per second unless
---units-meters specified).
+\-\-units-meters specified).
.TP
.BI "--wind=" "DIR@SPEED"
Specify wind coming from DIR (degrees) at SPEED (knots). Values may be
Mouse bindings.
.RE
.SH BUGS
-Send bug reports to <flightgear-devel@lists.sourceforge.net> or visit
-<http://code.google.com/p/flightgear-bugs>.
+Send bug reports to <flightgear\-devel@lists.sourceforge.net> or visit
+<http://code.google.com/p/flightgear\-bugs>.
.SH SEE ALSO
fgjs(1), fgpanel(1), js_demo(1), terrasync(1)
.SH AUTHORS