Cessna 177 Cardinal Autopilot by Trio and the STC Group, LLC


Software Unlock to Interface the Trio with Aspen and Garmin G5 Primary Flight Displays

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SKU: Cessna 177 Category:

Introducing the C177 Certified Trio Pro-Pilot 2 Axis Autopilot for Cessna Cardinal Aircraft!

Help and Support Every Step of the Way

As the distributor selected and trusted by the STC Group, LLC, we understand that replacing or installing an autopilot with a state-of-the-art unit is not a decision to be taken lightly. We provide exceptional customer service throughout the process.

Let's schedule a time to talk so that we can learn more about your situation and answer questions about installing a Trio autopilot into your Cessna 177. We also have a list of experienced installers and current Cessna Installed Owners available for you.

Our goal is to help you to make an informed decision not to SELL YOU an auto-pilot and serve as your point of contact and advocate should you decide the Trio Pro for a C177 Certified autopilot is the choice for you.

Let's set up a time to talk about your needs. Call sales: Jeff 540-309-6427


Additional information

Mounting Option

Rack Mount, 3 1/8" Instrument Hole


12, 24


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Vendor Information

  • Store Name: STC Group LLC.
  • Vendor: STC Group LLC.
  • Address: 1601 W. 5th Street
    Oxnard, CA 93030
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Shipping Policy

Grumman Parts Shipping Policy

All orders are shipped within 48 hours Monday - Friday 8am - 5pm.


We use the following carriers to deliver our orders:


Order Tracking

If a tracking # is provided by the shipping carrier, we will update your order with the tracking information. Please note that some orders using 1st Class USPS mail will not have tracking numbers.

Shipping Rates

The rate charged for the shipping of your order is based on the size and weight of your products, and your location. Before the final checkout page, you will be shown what the cost of shipping will be, and you will have a chance to not place your order if you decide not to.

Back Orders

If an item goes on back order we will ship you the part of your order that is in stock. When the item becomes available we will ship you the rest of your order. You will not be charged any additional shipping and handling for the second shipment.

Refund Policy

Privacy Policy
This policy covers how we use your personal information. We take your privacy SERIOUSLY and will take all measures to protect your personal information.

What Information Do We Collect?

We only collect information that we need that is related to your order. This includes your:
Billing Address
Shipping Address
Email Address
Credit Card Information is handled through Stripe or Paypal secure external gateways at checkout.

In addition, we also collect information on your IP address, browser type, and Refer URL data. We use this data to prevent hacking attempts, help us know what web browsers people are using, and find out where our visitors are coming from so that we can improve our marketing.

How Is My Information Used?

Your information is only used to fill your order. We do not sell or redistribute your information to ANYONE.

Security and Storage

Only your order data billing, shipping, and order contents data is stored on our server. This information is encrypted using a Secure Sockets Layer before it is transmitted over a web server. We do not store your Credit Card data.

Cookies and Browser Information

Cookies are small files that reside on your computer and allow us to recognize you on your next visit or store your shopping cart contents. We use them only to track this information.

Vendors on Grumman Parts Individual Refund Policies supersede this policy!

Parts may be returned for a refund if we or a vendor ships the wrong part or it is not as represented within 15 days.

If you ordered the wrong part or decided not to install it, a coupon, less a 10% restocking fee of the retail price of the product may be issued within 30 days, provided the product is returned in the unused, same condition. Trio auto-pilots and uAvionics products require recertification.  Restocking on Trio and uAvionix products is 15%. All return shipping and freight are the responsibility of the purchaser.