Using AV-30 with Trio Pro-Pilot

Key Autopilot Control Concepts

Trio Mode Definitions

On the Trio autopilot:

Simplified explanation for pilots:

• Course = AV-30/HDG/ForeFlight
• Track = GPS/GPSS

Adding panel labels near the selector may help pilots remember this.

AV-30 Autopilot Setup

Enable Autopilot Control

1. On the AV-30 press Push-Set Menu.
2. Scroll to Autopilot Mode.
3. Set to HDG BUG.

This allows the AV-30 heading bug to control the autopilot’s lateral guidance.

Heading Control Operation

1. Rotate the AV-30 heading bug using the push set menu knob on the DG or AI.
2. The Trio autopilot heading selection will follow automatically.
3. The aircraft will turn to follow the selected heading.

Quick Tip

Press and hold the center button (when displaying the HDG BUG) on the AV-30 to instantly slew the heading bug to the current aircraft heading.

Altitude Preselect Setup

The AV-30 provides altitude preselect.

Setup Steps

1. On the AV-30 press the left menu button for "Edit Fields."
2. Select a display field.
3. Choose Set Altitude.

*This can be shown on both the AI or the DG.

This displays the selected altitude (SALT).

Operation

1. Set the desired altitude using Set Altitude.

2. Set climb rate using Trio vertical speed. (This is set on the Trio) 

   

3. Engage the autopilot.

The aircraft will:

• climb or descend
• capture the selected altitude automatically.

If audio is connected, a chime will indicate altitude capture.

Autopilot Engagement

The autopilot should not be engaged below 500 ft AGL. (Placard with Trio)

Typical workflow:

1. Takeoff manually.
2. Climb above 500 ft AGL.
3. Set:(good to set on the ground if approximate heading and altitude is known)
   • Heading bug
   • Vertical speed
   • Selected altitude
4. Engage autopilot:
   1. Top Left Button: Lateral control
   2. Top Right Button: Vertical control

Trim Considerations

The system does not provide automatic trim.

After altitude capture:

1. Temporarily disable altitude hold.
2. Trim the aircraft manually.
3. Re-engage altitude hold.

This prevents excessive servo load or autopilot disconnects.

GPS Navigation Operation

Aircraft uses a GNX 375, which supports GPSS steering.

Important Result

Because the GPS supports GPSS:

The AV-30 should remain in Heading Bug mode.

The autopilot switching is done only on the Trio.

*Autopilot Unlock must be completed for this control

Switching to GPS Navigation

When cleared to proceed on course:

1. Load or activate the flight plan on the GPS.
2. On the Trio autopilot switch from:

Course → Track by clicking the bottom left button

The autopilot will then follow the GPS flight plan.

Summary

ForeFlight Integration Setup

If using ForeFlight with an AV-Link:

Enable Wireless GPS

1. On the AV-30 press Left button twice.
2. Enter Setup Menu.
3. Find Wireless GPS.
4. Change from Disabled → ForeFlight.

This allows the AV-30 to receive flight plans from ForeFlight.

Displaying ForeFlight Flight Plans

When ForeFlight is connected:

1. Open the Traffic Display or the DG/HSI display on the AV-30.
2. Press the Center Push Set Menu until you see SRC SEL.
3. Select ForeFlight.

The flight plan will display along with traffic on the MFD display.

ForeFlight Autopilot Behavior

When flying a ForeFlight flight plan:

• The autopilot should remain in CRS mode
• The AV-30 provides the navigation guidance

Summary:

Additional Notes

• AV-Mag is required for this installation.