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sim/
sim/flightmodel2/
sim/flightmodel2/gear/
sim/flightmodel2/gear/deploy_ratio
float as a ratio
v9.0.0+
How far down the landing gear is. 0=up, 1= down Dimension is by gear.
sim/flightmodel2/gear/eagle_claw_angle_deg
float in degrees
v10.20.0+
Angle of eagle-claw landing gear now, degrees, per gear. Dimension is by gear.
sim/flightmodel2/gear/gear_heading_deg
float in degrees
v9.0.0 - v11.99.0
Current gear heading angle, degrees. DEPRECATED - the angle for these was not computed correctly. Use tire and strut deflection + deploy ratio. Dimension is by gear.
sim/flightmodel2/gear/gear_pitch_deg
float in degrees
v9.0.0 - v11.99.0
Current gear pitch angle, degrees. DEPRECATED - the angle for these was not computed correctly. Use tire and strut deflection + deploy ratio. Dimension is by gear.
sim/flightmodel2/gear/gear_roll_deg
float in degrees
v9.0.0 - v11.99.0
Current gear roll angle, degrees. DEPRECATED - the angle for these was not computed correctly. Use tire and strut deflection + deploy ratio. Dimension is by gear.
sim/flightmodel2/gear/on_dusty[10]
float as a ratio
v12.1.0+
Is this wheel on some kind of dusty surface like dirt
sim/flightmodel2/gear/on_grass[10]
int as a boolean
v11.0.0+
Is this wheel on grass
sim/flightmodel2/gear/on_ground[10]
int as a boolean
v11.0.0+
Is this wheel on the ground
sim/flightmodel2/gear/on_misty[10]
float as a ratio
v12.1.0+
Is this wheel on some kind of misty surface like wet pavement
sim/flightmodel2/gear/on_noisy[10]
int as a boolean
v11.0.0+
Is this wheel on some kind of noisy surface like gravel
sim/flightmodel2/gear/on_water[10]
int as a ratio
v12.1.0+
Is this wheel over water
sim/flightmodel2/gear/strut_vertical_deflection_mtr
float in meters
v12.0.0+
Vertical deflection of this gear, not including tire deformation, meters. Dimension is by gear.
sim/flightmodel2/gear/tire_part_brake
float as a ratio
v12.0.0+
Final total braking on this gear's tires, adding up all control inputs and sources. Dimension is by gear.
sim/flightmodel2/gear/tire_radius_mtrs[10]
float in meters
v12.1.0+
Tire radius in meters
sim/flightmodel2/gear/tire_rotation_angle_deg
float in degrees
v9.0.0+
Tire rotation in degrees, running 0 to 360 over and over as it rolls. Dimension is by gear.
sim/flightmodel2/gear/tire_rotation_rate_rad_sec
float in radians/second
v12.1.0+
Rotational speed of this tire, radians per second, signed, goes negative when rolling backward. Dimension is by gear.
sim/flightmodel2/gear/tire_rotation_speed_rad_sec
float in radians/second
v9.0.0+
Rotational speed of this tire, radians per second, absolute value never negative. Dimension is by gear.
sim/flightmodel2/gear/tire_skid_ratio
float in 0..1
v10.50.0+
Ratio of how much this tire is in a skid - 0 = full traction, 1 = completely skidding Dimension is by gear.
sim/flightmodel2/gear/tire_skid_speed_mtr_sec
float in meters/second
v11.30.0+
How fast the skidding part of the tire is dragged across the surface it is skidding on in meters/second. Dimension is by gear.
sim/flightmodel2/gear/tire_steer_actual_deg
float in degrees
v9.0.0+
Steering command actually enacted by the gear, degrees positive right. Writable in 1030. Override via override_wheel_steer Dimension is by gear.
sim/flightmodel2/gear/tire_steer_command_deg
float in degrees
v9.0.0+
Steering command being sent to this gear, degrees positive right. This takes into account steering algorithms for big planes like 747, but does not free castoring and springiness. Writable in 1030. Override via override_wheel_steer Dimension is by gear.
sim/flightmodel2/gear/tire_vertical_deflection_mtr
float in meters
v9.0.0+
Vertical deflection of this gear, meters. Dimension is by gear.
sim/flightmodel2/gear/tire_vertical_force_n_mtr
float in newton_meters
v9.0.0+
Vertical force on this gear, newtons. Dimension is by gear.
sim/flightmodel2/gear/tire_width_mtrs[10]
float in meters
v12.1.0+
Tire width in meters
sim/flightmodel2/gear/total_deflection_rate
float in meters/second
v10.50.0+
Rate at which the tires are deflecting, positive means shocks are contracting Dimension is by gear.
sim/flightmodel2/lights/
These datarefs tell the actual brightness of the various lights. These are float arrays because in the future all lights will be variable intensity, and more than one of each.
sim/flightmodel2/lights/beacon_brightness_ratio[4]
float as a ratio
v9.30.0+
Ratio of the brightness of the beacon, 0 is off, 1 is max. Use override_beacons_and_strobes
sim/flightmodel2/lights/generic_lights_brightness_ratio[128]
float as a ratio
v9.40.0+
Ratio of the brightness of the landing lights, 0 is off, 1 is max. Was dim [64] until 11.10
sim/flightmodel2/lights/landing_lights_brightness_ratio[16]
float as a ratio
v9.30.0+
Ratio of the brightness of the landing lights, 0 is off, 1 is max.
sim/flightmodel2/lights/nav_lights_brightness_ratio[1]
float as a ratio
v9.30.0+
Ratio of the brightness of the nav lights, 0 is off, 1 is max.
sim/flightmodel2/lights/override_beacons_and_strobes
int as a boolean
v9.40.0+
override beacon and strobe control
sim/flightmodel2/lights/spot_light_heading_deg[1]
float in degrees
v10.10.0+
Heading offset in degrees of the spot light from its default position, positive is right.
sim/flightmodel2/lights/spot_light_pitch_deg[1]
float in degrees
v10.10.0+
Pitch offset in degrees of the spot light from its default position, positive is up.
sim/flightmodel2/lights/spot_lights_brightness_ratio[1]
float as a ratio
v10.0.0+
Ratio of the brightness of the spot light, 0 is off, 1 is max.
sim/flightmodel2/lights/strobe_brightness_ratio[4]
float as a ratio
v9.30.0+
Ratio of the brightness of the strobe, 0 is off, 1 is max. Use override_beacons_and_strobes
sim/flightmodel2/lights/strobe_flash_now
int as a boolean
v9.40.0+
Is any strobe flashing right now?
sim/flightmodel2/lights/taxi_lights_brightness_ratio[1]
float as a ratio
v9.30.0+
Ratio of the brightness of the taxi light, 0 is off, 1 is max.
sim/flightmodel2/misc/
Various animations for the aircraft model.
sim/flightmodel2/misc/AoA_angle_degrees
float in degrees
v9.0.0+
Angle of attack probe. Positive means aircracft nose is above the flight path in aircraft coordinates.
sim/flightmodel2/misc/auto_board_in_progress
int as a boolean
v11.0.0+
True while the auto-board sequence is happening. Plugins that override the auto-board sequence should set this to 1 during the sequence and clear it when done.
sim/flightmodel2/misc/auto_start_in_progress
int as a boolean
v11.0.0+
True while the auto-start sequence is happening. Plugins that override the auto-start sequence should set this to 1 during the sequence and clear it when done.
sim/flightmodel2/misc/bouncer_vx[14]
float in meters
v9.30.0+
lateral offset in meters from default for this bouncer
sim/flightmodel2/misc/bouncer_vy[14]
float in meters
v9.30.0+
vertical offset in meters from default for this bouncer
sim/flightmodel2/misc/bouncer_vz[14]
float in meters
v9.30.0+
longitudinal offset in meters from default for this bouncer
sim/flightmodel2/misc/bouncer_x[14]
float in meters
v9.30.0+
lateral offset in meters from default for this bouncer
sim/flightmodel2/misc/bouncer_y[14]
float in meters
v9.30.0+
vertical offset in meters from default for this bouncer
sim/flightmodel2/misc/bouncer_z[14]
float in meters
v9.30.0+
longitudinal offset in meters from default for this bouncer
sim/flightmodel2/misc/canopy_open_ratio
float as a ratio
v9.0.0+
Canopy position: 0 = closed, 1 = open
sim/flightmodel2/misc/cg_offset_x
float in meters
v12.0.6+
Lateral Center of Gravity (can't be set on all craft, only on such with weight stations off the centerline) including payload and including internal or external fuel or weapons
sim/flightmodel2/misc/cg_offset_z
float in meters
v12.0.6+
Longitudinal Center of Gravity, including payload, and including internal and external fuel
sim/flightmodel2/misc/cg_offset_z_mac
float in percentMAC
v12.0.6+
Longitudinal Center of Gravity, including payload, internal and external fuel and weapons, measured in % mean aerodynamic chord of the wings (Wings 1-4 in Plane Maker numbering).
sim/flightmodel2/misc/contact/
These datarefs track the contact points when the aircraft scrapes the ground to drive particle FX.
sim/flightmodel2/misc/contact/active[10]
int as a boolean
v12.1.0+
Is this contact striking something this frame
sim/flightmodel2/misc/contact/force[10]
float in newtons
v12.1.0+
Force of ground on contact point
sim/flightmodel2/misc/contact/on_dusty[10]
float as a ratio
v12.1.0+
Is this contact point on a dusty surface
sim/flightmodel2/misc/contact/on_grassy[10]
int as a boolean
v12.1.0+
Is this contact point on a grass surface
sim/flightmodel2/misc/contact/on_misty[10]
float as a ratio
v12.1.0+
Is this contact point on a surface that mists
sim/flightmodel2/misc/contact/on_noisy[10]
int as a boolean
v12.1.0+
Is this contact point on a noisy surface
sim/flightmodel2/misc/contact/on_paved[10]
int as a boolean
v12.1.0+
Is this contact point on a paved surface
sim/flightmodel2/misc/contact/on_water[10]
int as a boolean
v12.1.0+
Is this contact point on water
sim/flightmodel2/misc/contact/speed[10]
float in meters/second
v12.1.0+
Relative speed of contact
sim/flightmodel2/misc/contact/x[10]
float in meters
v12.1.0+
X location of contact, ACF relative
sim/flightmodel2/misc/contact/y[10]
float in meters
v12.1.0+
Y location of contact, ACF relative
sim/flightmodel2/misc/contact/z[10]
float in meters
v12.1.0+
Z location of contact, ACF relative
sim/flightmodel2/misc/custom_slider_ratio[24]
float as a ratio
v9.0.0+
Misc. traveling items for your use. You define the meaning.
sim/flightmodel2/misc/door_cycle_time[20]
float in seconds
v12.0.0+
How long it takes to open or close the door, in seconds
sim/flightmodel2/misc/door_open_ratio[20]
float as a ratio
v10.41.0+
How open is the door, 0 = closed, 1 = open
sim/flightmodel2/misc/gforce_axil
float in todo
v9.0.0+
desc
sim/flightmodel2/misc/gforce_normal
float in todo
v9.0.0+
desc
sim/flightmodel2/misc/gforce_side
float in todo
v9.0.0+
desc
sim/flightmodel2/misc/has_crashed
int as a boolean
v11.32.0+
True if the aircraft is in a crashed state
sim/flightmodel2/misc/line_is_locked
int as a boolean
v12.0.7+
True while a smart-drogue tow operation is currently taking place.
sim/flightmodel2/misc/pressure_outflow_ratio
float as a ratio
v9.0.0+
How far is the pressure-outflow valve open? 0=closed, 1=open
sim/flightmodel2/misc/rain_repellent_ratio[2]
float as a boolean
v12.0.0+
Rain repellent other than wipers. Blower, bleed air, chemicals, etc.
sim/flightmodel2/misc/tailhook_angle_degrees
float in degrees
v11.30.0+
Angle of the tailhook
sim/flightmodel2/misc/tailhook_deploy_ratio
float as a ratio
v9.0.0+
Tailhook position: 0 = up, 1 = down
sim/flightmodel2/misc/tow_in_progress
int as a boolean
v11.30.0+
True while a tow operation is currently taking place.
sim/flightmodel2/misc/water_drop_deploy_ratio
float as a ratio
v9.0.0+
Water drop door position: 0 = up, 1= down
sim/flightmodel2/misc/water_scoop_deploy_ratio
float as a ratio
v9.0.0+
Water scoop position: 0 = up, 1 = down
sim/flightmodel2/misc/wiper_angle_deg[4]
float in degrees
v9.0.0+
current angle of the wiper. range of motion is set in PlaneMaker.
sim/flightmodel2/misc/yaw_string_airspeed
float in kias
v9.0.0+
desc
sim/flightmodel2/misc/yaw_string_angle
float in degrees
v9.0.0+
desc
sim/flightmodel2/misc/zfw_cg_offset_x
float in meters
v12.0.6+
Lateral Center of Gravity of the zero fuel weight. This is including payload (such as pilots in a helicopter), but excluding internal and external fuel and external weapons. Read-only (use individual payload station weight to change it)
sim/flightmodel2/misc/zfw_cg_offset_z
float in meters
v12.0.6+
Longitudinal Center of Gravity of the zero fuel weight. This is including payload, but excluding internal and external fuel and external weapons. Read-only (use individual payload station weight to change it)
sim/flightmodel2/position/
sim/flightmodel2/position/alpha
float in degrees
v6.60.0+
The pitch relative to the flown path (angle of attack)
sim/flightmodel2/position/beta
float in degrees
v6.60.0+
The heading relative to the flown path (yaw)
sim/flightmodel2/position/drift_angle
float in degrees
v12.0.5+
The drift angle caused by wind. This is the difference between ground track and heading (ground track = heading + drift angle + beta)
sim/flightmodel2/position/ecef_x
double in meters
v12.0.0+
The location of the user aircraft in ECEF coordinates, using a WGS84 geoid.
sim/flightmodel2/position/ecef_y
double in meters
v12.0.0+
The location of the user aircraft in ECEF coordinates, using a WGS84 geoid.
sim/flightmodel2/position/ecef_z
double in meters
v12.0.0+
The location of the user aircraft in ECEF coordinates, using a WGS84 geoid.
sim/flightmodel2/position/ellipsoid_height
double in feet
v12.0.0+
User airplane altitude as ellipsoid height over WGS84
sim/flightmodel2/position/groundspeed
float in m/s
v6.60.0+
The ground speed of the aircraft
sim/flightmodel2/position/hpath
float in degrees
v6.60.0+
The heading the aircraft actually flies. (hpath+beta=psi)
sim/flightmodel2/position/mag_psi
float in degrees
v10.30.0+
The real magnetic heading of the aircraft - the old magpsi dataref was FUBAR
sim/flightmodel2/position/on_dusty
float as a ratio
v12.1.0+
Is the surface under the aircraft one that gives off dust like a dirt runway
sim/flightmodel2/position/on_grass
int as a boolean
v12.1.0+
Is the surface under the ACF grass
sim/flightmodel2/position/on_misty
float as a ratio
v12.1.0+
Is the surface under the aircraft one that gives off mist like a wet runway
sim/flightmodel2/position/on_noisy
int as a boolean
v12.1.0+
Is the surface under the aircraft one that makes noise like gravel, grass, etc.
sim/flightmodel2/position/on_water
int as a ratio
v12.1.0+
Is the surface under the aircraft water
sim/flightmodel2/position/pressure_altitude
double in feet
v12.0.0+
User airplane altitude as pressure altitude in standard atmosphere
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