> For the complete documentation index, see [llms.txt](https://docs.inspiredflight.com/inspired-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inspiredflight.com/inspired-documentation/products/aircraft/if1200/operating-the-aircraft/aircraft-power.md).

# Aircraft Power

## Powering ON the Aircraft

<table><thead><tr><th width="123">STEP</th><th>ACTION</th></tr></thead><tbody><tr><td>1</td><td><strong>Press and hold the power button</strong> (<em>Fig. 1</em>) on the chassis until the button illuminates green. <em>This takes about nine seconds.</em></td></tr></tbody></table>

&#x20;                                                      &#x20;

<figure><img src="https://lh5.googleusercontent.com/N7P8E6gzv9VgxGBtubO6FA_lHtGBl7IlvYb8CM8xn0LAYzhMQn6-GNIPBQiNujVJHHNfI6UsKBLqbZnuHWSrD2leW4RHVG6PfbHZaQVG5iOACcUttdwqyVTMIQ0Boy_czg_kZpVUo9eztBg8DRodijny6lyUAVtFtijgYef-feMzoUBg3hV2kUNYunOk-w" alt=""><figcaption><p>Figure 1: GPS Reciever and Power button orientation</p></figcaption></figure>

### Navigation Status LED

<table data-header-hidden><thead><tr><th width="95"></th><th></th></tr></thead><tbody><tr><td>2</td><td><p>There are Navigation LEDs on the end of all six arms on the aircraft.</p><p>These become active.</p></td></tr></tbody></table>

<table><thead><tr><th width="311" align="center">LED Color</th><th>Aircraft Orientation</th></tr></thead><tbody><tr><td align="center"><mark style="color:red;">Red</mark></td><td>Front-Left (Port)</td></tr><tr><td align="center"><mark style="color:green;">Green</mark></td><td>Front-Right (Starboard)</td></tr><tr><td align="center">White</td><td>Side and Rear (2 rear motors)</td></tr></tbody></table>

### GPS Status Indicators

<table data-header-hidden><thead><tr><th width="125" align="center"></th><th></th></tr></thead><tbody><tr><td align="center">3</td><td><p>The aircraft will emit a series of beeps during the initialization sequence. </p><p>The GPS status indicators will illuminate.</p></td></tr></tbody></table>

<table><thead><tr><th width="209.33333333333331" align="center">LED Color</th><th width="223">Behavior</th><th>Meaning</th></tr></thead><tbody><tr><td align="center"><mark style="color:blue;">Blue</mark></td><td>Flashing On/Off</td><td>Waiting for GPS lock</td></tr><tr><td align="center"><mark style="color:green;">Green</mark></td><td>Flashing</td><td>GPS lock obtained, Ready to fly</td></tr><tr><td align="center"><mark style="color:red;">Red</mark></td><td>Flashing</td><td>See GCS for error message details OR Reboot aircraft</td></tr></tbody></table>

### GPS LED/Audio Behaviors and Meanings

<table><thead><tr><th width="183">LED Color</th><th width="228">Behavior </th><th>Meaning</th></tr></thead><tbody><tr><td><mark style="color:red;">Red</mark> and <mark style="color:blue;">Blue</mark></td><td>Flashing </td><td>Initializing gyroscopes. <em>Hold the vehicle still and level while it initializes the sensors.</em></td></tr><tr><td><mark style="color:blue;">Blue</mark></td><td>Flashing </td><td>Disarmed, no GPS lock found</td></tr><tr><td><mark style="color:blue;">Blue</mark></td><td>Solid </td><td>Armed, no GPS lock</td></tr><tr><td><mark style="color:green;">Green</mark></td><td>Flashing </td><td>Disarmed (ready to arm), GPS lock acquired</td></tr><tr><td><mark style="color:green;">Green</mark></td><td>Fast Flashing </td><td>Same as above but GPS is using SBAS</td></tr><tr><td><mark style="color:green;">Green</mark></td><td>Solid (single long tone at the time of arming)</td><td>Armed, GPS lock acquired. Ready to fly</td></tr><tr><td><mark style="color:yellow;">Yellow</mark></td><td>Flashing Double </td><td>Failing pre-arm checks (system refuses to arm). <em>Check the pre-arm error message</em></td></tr><tr><td><mark style="color:yellow;">Yellow</mark></td><td>Single Flashing </td><td>Radio failsafe activated</td></tr><tr><td><mark style="color:yellow;">Yellow</mark></td><td>Flashing (quick beeping tone)</td><td>Battery failsafe activated</td></tr><tr><td><mark style="color:yellow;">Yellow</mark> and <mark style="color:blue;">Blue</mark></td><td>Flashing (high-high-high-low tone sequence "dah-dah-dah-doh")</td><td>GPS glitch or GPS failsafe activated</td></tr><tr><td><mark style="color:red;">Red</mark> and <mark style="color:yellow;">Yellow</mark></td><td>Flashing (rising tone)</td><td>EKF or Inertial Nav failure</td></tr><tr><td><mark style="color:purple;">Purple</mark> and <mark style="color:yellow;">Yellow</mark></td><td>Flashing</td><td>Barometer has problem</td></tr><tr><td><mark style="color:red;">Red</mark></td><td>Solid</td><td>Error. <em>Usually due to inability to detect SD card (try to re-plug or replace SD card), MTD device, or IMU sensors. Analysis can be found in BOOT.txt in SD card.</em></td></tr><tr><td><mark style="color:red;">Red</mark></td><td>Solid (SOS tone sequence)</td><td>SD Card missing (or other SD error, i.e., bad format etc.)</td></tr><tr><td>No Light</td><td>Not lighting up</td><td>No firmware detected or firmware corrupted</td></tr></tbody></table>

## Powering OFF the Aircraft &#x20;

<table><thead><tr><th width="150" align="center">STEP</th><th>ACTION</th></tr></thead><tbody><tr><td align="center">1</td><td>FIRST <strong>Power down any camera</strong> attached to the aircraft </td></tr><tr><td align="center">2</td><td>Press the power button on the IF1200A (<em>Fig. 2</em>) to <strong>power down the aircraft</strong></td></tr></tbody></table>

&#x20;                                                 &#x20;

<figure><img src="https://lh3.googleusercontent.com/KF8s7CFTiPmYTaYZBMc1Y5PYedg2nEZ4_xjl16dsdhd2cYrwi0bRe3kpG4W1cWfsgzbm5MtFX8EYFmN0MvNG57_A4IHH4Jz5YqkaSzuPLeMYHCu_ewbMIfmCBmEsu5WXG2tZqHUEO34pmuLbPxTg_fDCc1yPM2K89hrRYZgziglhGGAH58g35Fr_O3hFbA" alt=""><figcaption><p>Figure 2: Power button orientation (Press and hold to power Off)</p></figcaption></figure>

<table data-header-hidden><thead><tr><th width="107"></th><th></th></tr></thead><tbody><tr><td>3</td><td><strong>Disconnect the battery power cables</strong> from the aircraft (pull on the connectors, not the wires)</td></tr><tr><td>4</td><td><strong>Power down the hand controller</strong> by keeping the Power button pressed in, then follow the on-screen prompts</td></tr></tbody></table>