# Performance

## Weight and Payload

To determine an aircraft's maximum gross weight, it's important to first determine the pressure, altitude, and temperature at the flight location. Then, consult the weight chart provided. The gross weight includes the weight of the payload, battery, and aircraft structure. 

Remember that the maximum gross weight allowed may exceed the weight limit set by regulatory agencies. Therefore, it's essential to consider any local regulations regarding aircraft weight when planning the aircraft's weight.

<table><thead><tr><th width="148.33333333333331">Altatude</th><th>0c</th><th width="103">10c</th><th>20c</th><th>30c</th><th>40c</th></tr></thead><tbody><tr><td>MSL</td><td>44lbs</td><td>44lbs</td><td>44lbs</td><td>40</td><td>40</td></tr><tr><td>1000</td><td>44lbs</td><td></td><td></td><td></td><td></td></tr><tr><td>2000</td><td>44lbs</td><td></td><td></td><td></td><td></td></tr><tr><td>3000</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>4000</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>5000</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>6000</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>7000</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>8000</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>9000</td><td></td><td></td><td></td><td></td><td></td></tr><tr><td>10000</td><td></td><td></td><td></td><td></td><td></td></tr></tbody></table>

## Flight Speeds

| Flight Mode | Speed (m/s)               | Climb (m/s) | Descent (m/s) |
| ----------- | ------------------------- | ----------- | ------------- |
| Position    | 15                        | 4           | 2             |
| Altitude    | no limit                  | 4           | 2             |
| Manual      | no limit                  | no limit    | no limit      |
| Mission     | 7 (default, user setting) | 4           | 2             |
| Return      | 7                         | 4           | 2             |

## **Temperature**&#x20;

The UAS and controller should be flown within 32 degrees F to 104 degrees F. Operating outside of those limits will cause inoperability or can lead to a crash. Ambient temperature is not the same as surface temperature; on a hot day, the outside temp could be 90 degrees F, but a surface could react over 100 degrees F. Keeping all the equipment out of direct sunlight and stored in a cool place is very important on hot days, and keeping the equipment warm on cold days.&#x20;


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