Cirrus SR22 Aircraft Reference

Reference document for the Laminar Research Cirrus SR22 (X-Plane 12 default aircraft). Derived from the aircraft files: Cirrus SR22.acf, plugins/xlua/scripts/SR22.systems/SR22.systems.lua.

Use this document when building cockpit deck configurations for the SR22.

Source Files

Path Purpose
X-Plane 12/Aircraft/Laminar Research/Cirrus SR22/Cirrus SR22.acf Aircraft definition (geometry, properties)
plugins/xlua/scripts/SR22.systems/SR22.systems.lua Systems logic, custom datarefs, custom commands

Custom Datarefs (laminar/sr22/*)

Sun visors

Dataref Type Values
laminar/sr22/sun_visor_left number 1 = down, 0 = neutral, -1 = stowed
laminar/sr22/sun_visor_right number 1 = down, 0 = neutral, -1 = stowed

Fuel & boost pump

Dataref Type Values
laminar/sr22/fuel_selector_pos number 0 = left off, 1 = left select, 2 = right select, 3 = right off
laminar/sr22/switch/boost_pump number 0 = off, 1 = boost, -1 = prime (momentary)

Climate

Dataref Type Values
laminar/sr22/climate_fan_speed number 0 = off, 1–3 = fan speed

Ice protection (TKS)

Dataref Type Values
laminar/sr22/switch/ice_protect number 0 = off, 1 = on
laminar/sr22/switch/ice_norm_high number 0 = norm, 1 = high
laminar/sr22/switch/ice_max number 0–1 (animates during TKS MAX hold)

Annunciators — GCU input

Dataref Type
laminar/sr22/annunciators/com number
laminar/sr22/annunciators/nav number
laminar/sr22/annunciators/crs number
laminar/sr22/annunciators/xpdr number

Annunciators — Flaps

Dataref Type
laminar/sr22/annunciators/flaps_up number
laminar/sr22/annunciators/flaps_50 number
laminar/sr22/annunciators/flaps_100 number

Annunciators — Oxygen

Dataref Type
laminar/sr22/annunciators/o2_full number
laminar/sr22/annunciators/o2_1600 number
laminar/sr22/annunciators/o2_1200 number
laminar/sr22/annunciators/o2_800 number
laminar/sr22/annunciators/o2_400 number
laminar/sr22/annunciators/o2_empty number
laminar/sr22/annunciators/o2_req number
laminar/sr22/annunciators/o2_fault number

Annunciators — Audio panel

Dataref Type
laminar/sr22/annunciators/audio/mkr_mute number
laminar/sr22/annunciators/audio/com1 number
laminar/sr22/annunciators/audio/com2 number
laminar/sr22/annunciators/audio/nav1 number
laminar/sr22/annunciators/audio/nav2 number
laminar/sr22/annunciators/audio/mic1 number
laminar/sr22/annunciators/audio/mic2 number
laminar/sr22/annunciators/audio/pilot number
laminar/sr22/annunciators/audio/coplt number
laminar/sr22/annunciators/audio/pass number

Annunciators — Autopilot

Dataref Type
laminar/sr22/annunciators/ap/ap number
laminar/sr22/annunciators/ap/fd number
laminar/sr22/annunciators/ap/lvl number
laminar/sr22/annunciators/ap/apr number
laminar/sr22/annunciators/ap/nav number
laminar/sr22/annunciators/ap/hdg number
laminar/sr22/annunciators/ap/flc number
laminar/sr22/annunciators/ap/vnv number
laminar/sr22/annunciators/ap/vs number
laminar/sr22/annunciators/ap/alt number
laminar/sr22/annunciators/air_con number

Read-write (animation / control)

Dataref Type Notes
laminar/sr22/dome_light_rot_x-1 … -4 number Dome light rotation X
laminar/sr22/dome_light_rot_y-1 … -4 number Dome light rotation Y
laminar/sr22/eyeball_vent_rot_x-1 … -4 number Eyeball vent rotation X
laminar/sr22/eyeball_vent_rot_y-1 … -4 number Eyeball vent rotation Y
laminar/sr22/alt_air_pull number Alternate air pull
laminar/sr22/temp_control number Climate temperature control
laminar/sr22/knobs/parking_brake_valve_anim number Parking brake valve animation (0–1)

Custom Commands (laminar/sr22/*)

Sun visors

Command Description
laminar/sr22/sunvisor_left_up Sun visor left up
laminar/sr22/sunvisor_left_dn Sun visor left down
laminar/sr22/sunvisor_right_up Sun visor right up
laminar/sr22/sunvisor_right_dn Sun visor right down

Fuel selector

Command Description
laminar/sr22/fuel_sel_left Rotate fuel selector left
laminar/sr22/fuel_sel_right Rotate fuel selector right
laminar/sr22/fuel_sel_left_off Set fuel selector to left off (position 0)
laminar/sr22/fuel_sel_left_select Set fuel selector to left select (position 1)
laminar/sr22/fuel_sel_right_select Set fuel selector to right select (position 2)
laminar/sr22/fuel_sel_right_off Set fuel selector to right off (position 3)

Climate

Command Description
laminar/sr22/fan_speed_right Increase fan speed
laminar/sr22/fan_speed_left Decrease fan speed
laminar/sr22/button/air_con_toggle Air conditioning toggle

Ice protection (TKS)

Command Description
laminar/sr22/anti_ice_tks_max TKS MAX (hold for max flow)
laminar/sr22/switch/ice_protect_on TKS ON
laminar/sr22/switch/ice_protect_off TKS OFF
laminar/sr22/switch/ice_protect_norm TKS NORM
laminar/sr22/switch/ice_protect_high TKS HIGH

Boost pump

Command Description
laminar/sr22/switch/boost_pump_up Boost pump switch up (ON)
laminar/sr22/switch/boost_pump_dn Boost pump switch down (OFF / prime on hold)
laminar/sr22/switch/boost_pump_boost Set boost pump to boost (simpit)
laminar/sr22/switch/boost_pump_off Set boost pump to off (simpit)
laminar/sr22/switch/boost_pump_prime Set boost pump to prime (simpit)

Sim Datarefs Used by SR22

Lights (generic_lights_switch)

Index SR22 use
0 Reading light 1
1 Reading light 2
4 Dome light
6 Flood light
10 Edge lighting
11 Wingtip LIT force

Other sim datarefs

Dataref SR22 use
sim/cockpit2/switches/instrument_brightness_ratio[1] G1000 screen brightness
sim/cockpit2/switches/instrument_brightness_ratio[3] G1000 bezel brightness
sim/cockpit2/switches/instrument_brightness_ratio[4] Indicator lights
sim/cockpit2/switches/landing_lights_switch[0] Landing lights master
sim/cockpit2/switches/landing_lights_switch[1] Landing light left
sim/cockpit2/switches/landing_lights_switch[2] Landing light right
sim/cockpit2/ice/ice_surface_tks_left_on TKS wing left
sim/cockpit2/ice/ice_surface_tks_right_on TKS wing right
sim/cockpit2/ice/ice_prop_tks_on_per_engine[0] TKS prop
sim/flightmodel2/controls/flap1_deploy_ratio Flaps (0, 0.5, 1)
sim/cockpit2/controls/park_brake_valve Parking brake

Sim Commands Used by SR22

Command Description
sim/ice/tks_max TKS max flow (called by laminar/sr22/anti_ice_tks_max)

Fuel Selector Mapping

laminar/sr22/fuel_selector_pos sim/cockpit2/fuel/fuel_tank_selector Physical position
0 0 Left off
1 1 Left select
2 3 Right select
3 0 Right off