PX4-Autopilot/docs/en/msg_docs/TakeoffStatus.md
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---
pageClass: is-wide-page
---
# TakeoffStatus (UORB message)
Status of the takeoff state machine currently just available for multicopters.
**TOPICS:** takeoff_status
## Fields
| Name | Type | Unit [Frame] | Range/Enum | Description |
| ------------- | --------- | ------------ | ---------- | ------------------------------------------------------------------------ |
| timestamp | `uint64` | | | time since system start (microseconds) |
| takeoff_state | `uint8` | | |
| tilt_limit | `float32` | | | limited tilt feasibility during takeoff, contains maximum tilt otherwise |
## Constants
| Name | Type | Value | Description |
| ----------------------------------------------------------------------------- | ------- | ----- | ----------- |
| <a id="#TAKEOFF_STATE_UNINITIALIZED"></a> TAKEOFF_STATE_UNINITIALIZED | `uint8` | 0 |
| <a id="#TAKEOFF_STATE_DISARMED"></a> TAKEOFF_STATE_DISARMED | `uint8` | 1 |
| <a id="#TAKEOFF_STATE_SPOOLUP"></a> TAKEOFF_STATE_SPOOLUP | `uint8` | 2 |
| <a id="#TAKEOFF_STATE_READY_FOR_TAKEOFF"></a> TAKEOFF_STATE_READY_FOR_TAKEOFF | `uint8` | 3 |
| <a id="#TAKEOFF_STATE_RAMPUP"></a> TAKEOFF_STATE_RAMPUP | `uint8` | 4 |
| <a id="#TAKEOFF_STATE_FLIGHT"></a> TAKEOFF_STATE_FLIGHT | `uint8` | 5 |
## Source Message
[Source file (GitHub)](https://github.com/PX4/PX4-Autopilot/blob/main/msg/TakeoffStatus.msg)
::: details Click here to see original file
```c
# Status of the takeoff state machine currently just available for multicopters
uint64 timestamp # time since system start (microseconds)
uint8 TAKEOFF_STATE_UNINITIALIZED = 0
uint8 TAKEOFF_STATE_DISARMED = 1
uint8 TAKEOFF_STATE_SPOOLUP = 2
uint8 TAKEOFF_STATE_READY_FOR_TAKEOFF = 3
uint8 TAKEOFF_STATE_RAMPUP = 4
uint8 TAKEOFF_STATE_FLIGHT = 5
uint8 takeoff_state
float32 tilt_limit # limited tilt feasibility during takeoff, contains maximum tilt otherwise
```
:::