fgfs [ option ... ]

General Options help h Show the most relevant commandline options verbose v Show all commandline options when combined with --help or -h fg-root path Specify the root data path fg-scenery path Specify the base scenery path; Defaults to $FG_ROOT/Scenery disable-game-mode Disable full-screen game mode enable-game-mode Enable full-screen game mode disable-splash-screen Disable splash screen enable-splash-screen Enable splash screen disable-intro-music Disable introduction music enable-intro-music Enable introduction music disable-mouse-pointer Disable extra mouse pointer enable-mouse-pointer Enable extra mouse pointer (i.e. for fullscreen Voodoo based cards) disable-random-objects Exclude random scenery objects (buildings, etc.) enable-random-objects Include random scenery objects (buildings, etc.) disable-freeze Start in a running state enable-freeze Start in a frozen state disable-fuel-freeze Fuel is consumed normally enable-fuel-freeze Fuel tank quantity forced to remain constant disable-clock-freeze Clock advances normally enable-clock-freeze Do not advance clock control mode Primary control mode (joystick, keyboard, mouse) enable-auto-coordination Enable auto coordination disable-auto-coordination Disable auto coordination browser-app path Specify path to your web browser prop:name value Set property <name> to <value> config path Load additional properties from path units-feet Use feet for distances units-meters Use meters for distances

Features disable-hud Disable Heads Up Display (HUD) enable-hud Enable Heads Up Display (HUD) disable-panel Disable instrument panel enable-panel Enable instrument panel disable-sound Disable sound effects enable-sound Enable sound effects disable-anti-alias-hud Disable anti-aliased HUD enable-anti-alias-hud Enable anti-aliased HUD

Aircraft aircraft name Select an aircraft profile as defined by a top level <name>-set.xml show-aircraft Print a list of the currently available aircraft types

Flight Model fdm name Select the core flight dynamics model Can be one of jsb, larcsim, yasim, magic, balloon, ada, external, or null aero name Select aircraft aerodynamics model to load model-hz n Run the FDM this rate (iterations per second) speed n Run the FDM 'n' times faster than real time notrim Do NOT attempt to trim the model (only with fdm=jsbsim) on-ground Start at ground level (default) in-air Start in air (implied when using --altitude) wind DIR@SPEED Specify wind coming from DIR (degrees) at SPEED (knots)

Aircraft model directory (UIUC FDM ONLY) aircraft-dir path Aircraft directory relative to the path of the executable

Initial Position and Orientation airport-id ID Specify starting position by airport ID offset-distance nm Specify distance to threshold offset-azimuth degrees Specify heading to threshold lon degrees Starting longitude (west = -) lat degrees Starting latitude (south = -) altitude value Starting altitude in feet (unless --units-meters specified) heading degrees Specify heading (yaw) angle (Psi) roll degrees Specify roll angle (Phi) pitch degrees Specify pitch angle (Theta) uBody units_per_sec Specify velocity along the body X axis (in feet unless --units-meters specified) vBody units_per_sec Specify velocity along the body Y axis (in feet unless --units-meters specified) wBody units_per_sec Specify velocity along the body Z axis (in feet unless --units-meters specified) vc knots Specify initial airspeed mach num Specify initial mach number glideslope degrees Specify flight path angle (can be positive) roc fpm Specify initial climb rate (can be negative)

Rendering Options bpp depth Specify the bits per pixel fog-disable Disable fog/haze fog-fastest Enable fastest fog/haze fog-nicest Enable nicest fog/haze enable-clouds Enable cloud layers disable-clouds Disable cloud layers fov degrees Specify field of view angle disable-fullscreen Disable fullscreen mode enable-fullscreen Enable fullscreen mode shading-flat Enable flat shading shading-smooth Enable smooth shading disable-skyblend Disable sky blending enable-skyblend Enable sky blending disable-textures Disable textures enable-textures Enable textures disable-wireframe Disable wireframe drawing mode enable-wireframe Enable wireframe drawing mode geometry WxH Specify window geometry (640x480, etc) view-offset value Specify the default forward view direction as an offset from straight ahead. Allowable values are LEFT, RIGHT, CENTER, or a specific number in degrees visibility meters Specify initial visibility visibility-miles miles Specify initial visibility in miles

Hud Options hud-tris Hud displays number of triangles rendered hud-culled Hud displays percentage of triangles culled

Time Options time-offset [+-]hh:mm:ss Add this time offset time-match-real Synchronize time with real-world time time-match-local Synchronize time with local real-world time start-date-sys yyyy:mm:dd:hh:mm:ss Specify a starting date/time with respect to system time start-date-gmt yyyy:mm:dd:hh:mm:ss Specify a starting date/time with respect to Greenwich Mean Time start-date-lat yyyy:mm:dd:hh:mm:ss Specify a starting date/time with respect to Local Aircraft Time

Network Options httpd port Enable http server on the specified port telnet port Enable telnet server on the specified port jpg-httpd port Enable screenshot http server on the specified port disable-network-olk Disable Multipilot mode (default) enable-network-olk Enable Multipilot mode net-hud Hud displays network info net-id name Specify your own callsign

Route/Way Point Options wp ID[@alt] Specify a waypoint for the GC autopilot; multiple instances can be used to create a route flight-plan file Read all waypoints from a file

IO Options garmin params Open connection using the Garmin GPS protocol joyclient params Open connection to an Agwagon joystick native-ctrls params Open connection using the FG Native Controls protocol native-fdm params Open connection using the FG Native FDM protocol native params Open connection using the FG Native protocol nmea params Open connection using the NMEA protocol opengc params Open connection using the OpenGC protocol props params Open connection using the interactive property manager pve params Open connection using the PVE protocol ray params Open connection using the RayWoodworth motion chair protocol rul params Open connection using the RUL protocol atc610x Enable atc610x interface

Debugging Options trace-read property Trace the reads for a property; multiple instances allowed trace-write property Trace the writes for a property; multiple instances allowed