# Head-Up Display

{% hint style="warning" %}
Please note that starting on Version Number V1.1.15, aggressive performance optimizations have been made, including limiting pages on PFD and MFDs, and mirroring both copilot's FMCs. More information here: [NOTAMs](/miltech-simulations-microsoft-c-17-globemaster-iii/product-details/notams.md)
{% endhint %}

<figure><img src="/files/t7ybfESJQLxxvw0TX33Q" alt=""><figcaption><p>Head-Up Display</p></figcaption></figure>

1. **Airspeed Autopilot Mode:** Displays the selected Autopilot Airspeed mode (ATHR ACT, IAS, MACH, etc). The white box displays when Autothrottle is engaged. The active mode will display in the upper box.&#x20;
2. **Roll Indicator:** Displays the current aircraft roll attitude, as well as the roll limitations for the current speed/altitude.
3. **Vertical Autopilot Mode:** Displays the selected Autopilot Vertical mode (ALT, VV, etc.). The white box displays when Autopilot is engaged. The active mode will display in the upper box.&#x20;
4. **Airspeed Tape:** Displays the indicated Airspeed in Knots. Contrary to most commercial aircraft, the airspeed tape increases moving downwards.
5. **Altitude Tape:** Displays the current Baro Altitude. If BA/RA is engaged, the tape will display Radio Altitude.&#x20;
6. **Altitude/Vertical Speed Indicator**
7. **Flight Path Vector indicator/Attitude Reference:** Displays the aircraft attitude and direction of travel.&#x20;
8. **Lateral Autopilot Mode:** Displays the selected Autopilot Lateral mode (HDG, ROLL, LNAV, etc.). The white box displays when Autopilot is engaged. The active mode will display in the upper box.&#x20;
9. **Heading Indicator/Selected Heading Bug:** Displays the current heading, as well as the selected heading as on the autopilot panel.&#x20;
10. **HUD Brightness Mode Switch:** OFF/NIGHT/AUTO/DAY
11. **HUD Manual Brightness Selector**
12. **HUD Declutter Pushbutton:** Cycles through the declutter states, removing redundant information for ease of visibility during sorties.&#x20;


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