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docs: add parachute health failsafe documentation

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Update safety.md, peripherals/parachute.md, and releases/main.md to document the extended COM_PARACHUTE parameter and the new configurable in-flight failsafe behaviour.
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gguidone
2026-04-15 11:18:21 +02:00
committed by Gennaro Guidone
parent f74c7625b3
commit 66a1ae9704
3 changed files with 16 additions and 1 deletions
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docs/en/config/safety.md
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@@ -280,6 +280,19 @@ The failsafe action and arming behaviour are both configured by the `COM_ARM_ODI
| ----------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| <a id="COM_ARM_ODID"></a>[COM_ARM_ODID](../advanced_config/parameter_reference.md#COM_ARM_ODID) | Remote ID arming check and in-flight failsafe. `0`: Disabled (default), `1`: Warning only, `2`: Error only (prevents arming), `3`: Return, `4`: Land, `5`: Terminate.<br><br>On failsafe:<br>- `Error`, `Return`, `Land` and `Terminate` prevent arming.<br>- `Return`, `Land` and `Terminate` start the associated action/mode when airborne. |
## Parachute Health Failsafe
<Badge type="tip" text="PX4 v1.18" />
The parachute health failsafe is triggered when a [MAVLink parachute](../peripherals/parachute.md) system is missing or unhealthy while the vehicle is armed and airborne.
| Parameter | Description |
| -------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- |
| <a id="COM_PARACHUTE"></a>[COM_PARACHUTE](../advanced_config/parameter_reference.md#COM_PARACHUTE) | Parachute system monitoring and failsafe action. `0`: Disabled (default), `1`: Warning only, `2`: Error only, `3`: Return, `4`: Land. |
Values `2`–`4` prevent arming when the parachute system is not present and healthy.
Values `3`–`4` also trigger the configured failsafe action if the parachute system is missing or unhealthy while airborne.
## Quad-chute Failsafe
Failsafe for when a VTOL vehicle can no longer fly in fixed-wing mode, perhaps due to the failure of a pusher motor, airspeed sensor, or control surface.