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Airspeed hold bug, always in knots, even if the AP is in mach-hold mode.

Airspeed hold value, knots or Mach depending on km_is_mach.

Autopilot airspeed is Mach number rather than knots.

0=Alt hold was pressed and locked into the current altitude. 1=Alt hold locked into an altitude that was pre-selected.

Altitude selected for altitude-arm in feet indicated.

Altitude is armed, 0 or 1.

Altitude hold commanded in feet indicated.

Autopilot Altitude hold status. 0=off,1=armed,2=captured

Autopilot vertical mode. (3=pitch, 4=vertical speed, 5=level change, 6=altitude hold, 7=terrain follow, 8=glideslope, 9=VNAV path, 10=TO/GA, 11=Re-Entry, 12=Free, 17=Flare, 19=flight path angle, 20=VNAV speed) Writeable with override only (sim/operation/override/override_autopilot)

current barometric altitude sensed by the altitude preselector

Target altitude hold in VNAV mode.

In VNAV climb or descent, the upcoming altitude capture is mandated by the MCP altitude rather than a constraint.

VNAV levelled off in response to a MCP altitude

In VNAV climb or descent, the upcoming altitude capture is mandated by a constraint rather than the MCP altitude.

VNAV levelled off in response to an altitude constraint.

Is the combined alt/vvi selector showing VVI?

Autopilot approach status. 0=off,1=armed,2=captured

A/P REF annunciator, waiting for ref button to be pushed to lock into autopilot mode.

Autopilot attitude hold (pitch and bank hold) status: 0=Off, 2=Captured

Autopilot sources are hardwired to respective side, and two autopilots are available

Is the autopilot 2 really on? Takes into account electrical system, failures, etc.;

Is the autopilot 2 really on? Like servos_on, but stays on even the servos are temporarily off for CWS.

Is the autopilot 3 really on? Takes into account electrical system, failures, etc.;

Is the autopilot 2 really on? Like servos_on, but stays on even the servos are temporarily off for CWS.

autopilot disconnect warning - like the annunicator, but suitable to trigger a sound because it doesn't light up when the annunicator lights are being tested.

Electrical master switch to turn off all power supply to the autopilot

Is the autopilot computer powered? Takes into account the master AP computer power switch, buses, failures. AP can be powered even when it's not using the servos, etc.

Is the autopilot really on? Takes into account electrical system, failures, etc.;

Is the autopilot really on? Like servos_on, but stays on even the servos are temporarily off for CWS.

Autopilot source system, pilots (0) or copilots (1). With two indipendent autopilots, selects the one that is flying.

autopilot trim fail warning - like the annunicator, but suitable to trigger a sound because it doesn't light up when the annunicator lights are being tested.

Auto-throttle armed and ready to move throttles? This is always 1 unless you use the autothrottle hard off command to completely dis-arm the system

Auto-throttle: -1=hard off, not even armed. 0=servos declutched (arm, hold), 1=airspeed hold, 2=N1 target hold, 3=retard, 4=reserved for future use

Auto-throttle really working? Takes into account failures, esys, etc.

Back course is armed, 0 or 1.

Autopilot Back-course Status. 0=off,1=armed,2=captured

Maximum bank angle mode, 1->6. Higher number is steeper allowable bank.

Array 0..5 for the maximum bank angle the autopilot can use in the selected bank_angle_mode. By default, this is 5, 10, 15, 20, 25 and 30 degrees of bank, but a plugin may modify these values.

baro setting of the altitude preselector

climb mode adjust base speed knots (by default 150KIAS below 10.000ft)

Whether the autopilot is using dead-reckoning to fly over a VOR station

descent mode adjust target vertical speed (by default -1500ft/min)

momentarily indicates 1 for one frame when the autopilot is downgrading its level of automation or landing capabilities

Electric pitch trim on - if off, autopilot flies with pitch servo only, and can't trim!

Autopilot Flare Status. 0=off,1=armed,2=captured

Flight director 2 mode, 0 is off, 1 is on, 2 is on with autopilot servos. Good for the FD swich.

Flight director 2 pitch deflection in degrees, pos up.

Flight director 2 roll deflection in degrees, pos right.

Autopilot 3 mode, 0 is off, 1 has no meaning, 2 is on with autopilot servos. Good for the AP swich.

Co-Pilot side flight director command bars off/on. On always turns FD on, but off only turns FD off if it is not driving the autopilot, otherwise it just hides the bars

Pilot side flight director command bars off/on. On always turns FD on, but off only turns FD off if it is not driving the autopilot, otherwise it just hides the bars

Co-Pilot side flight director is on and is the master for its autopilot

Pilot side flight director is on and is the master for its autopilot

Flight director mode, 0 is off, 1 is on, 2 is on with autopilot servos. Good for the FD swich.

Flight director pitch deflection in degrees, pos up.

Flight director roll deflection in degrees, pos right.

Enables the FMS to take over vertical control of the autopilot both pitch and throttle. This matches the command 'sim/autopilot/FMS'.

FPA commanded in degrees.

Autopilot FPA Status. 0=off,2=captured

Glideslope is armed, 0 or 1.

Autopilot glideslope status. 0=off,1=armed,2=captured

Autopilot GPSS Status. 0=off,1=armed,2=captured

Heading hold commanded, in degrees magnetic.

Heading hold commanded, in degrees magnetic.

Autopilot Heading Hold Status. 0=off,2=captured

0 = Heading bug supplies HDG to autopilot, 1 = GPSS supplies heading to autopilot

Autopilot lateral mode. (0=roll, 1=heading sel, 2=nav, 10=TO/GA, 11=Re-entry, 12=Free, 13=GPSS, 14=heading hold, 15=turn-rate, 16=rollout, 18=track) Writeable with override only (sim/operation/override/override_autopilot)

Autopilot Heading Select Status. 0=off,2=captured

Localizer is armed, 0 or 1.

If aputopilot2_avail is true, this selects the master FD: 0 = pilot, 1 = copilot, 2 = both independent

Autopilot Nav Status. 0=off,1=armed,2=captured

fail warn all lights on

whether the autopilot is ready, but not actually turned on. This is true when the autopilot has powered, has no failures, and is ready to be engaged but not engaged yet.

Manual trim required: 0=None, -1=Pitch down, 1=Pitch up

Autopilot Pitch-Hold Status. 0=off,2=captured

Autopilot turn rate hold status: 0=off, 2=captured

Autopilot Rollout Status. 0=off,1=armed,2=captured

Autopilot Roll-Hold Status. 0=off,2=captured

Autopilot RWY Status. 0=off,2=captured

Autopilot RWY Track Status. 0=off,2=captured

Are the servos on? Takes into account FD2 mode and control-wheel-steering, failures, etc.

Are the servos on? Takes into account AP3 mode and control-wheel-steering, failures, etc.

Are the servos on? Takes into account FD mode and control-wheel-steering, failures, etc.

Roll-hold command in degrees right, turn knob that won't turn with other modes

Autopilot Speed-hold (via pitch) status. 0=off,2=captured

Display ALR on the ST-360 altitude preselector/alerter instrument

Display ALT on the ST-360 altitude preselector/alerter instrument

Display BARO on the ST-360 altitude preselector/alerter instrument

Display DH on the ST-360 altitude preselector/alerter instrument

Display readout on the ST-360 altitude preselector/alerter instrument

Display ENT on the ST-360 altitude preselector/alerter instrument

Display SEL on the ST-360 altitude preselector/alerter instrument

Display VS on the ST-360 altitude preselector/alerter instrument

S-Tec 55X ALT LCD

S-Tec 55X APR LCD

S-Tec 55X CWS LCD

S-Tec 55X FAIL LCD

S-Tec 55X GPSS LCD

S-Tec 55X GS LCD