| Contents | Index |
Flight Parameters

The Mach Number block computes Mach number.
Mach number is defined as
![]()
where α is speed of sound and V is velocity vector.

| Input | Dimension Type | Description |
|---|---|---|
First | Contains the velocity vector. | |
Second | Contains the speed of sound. |
| Output | Dimension Type | Description |
|---|---|---|
First | 3-by-1 vector | Contains the Mach number. |
See Airframe in the aeroblk_HL20 model for an example of this block.
Aerodynamic Forces and Moments

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