The TR1 and TR2 series transformer/relay adapters are pre-assembled autopilot interface units that follow the interconnect specifications and component requirements recommended by the manufacturers of certain PFD systems when interfaced with existing autopilots. Rather than designing their own assembly from several components, installers can install the TR1 or TR2 which is already housed in a small aluminum enclosure with the same wiring interface outlined in PFD installation manuals.

For Aspen Avionics primary flight display installations when interfaced with Century autopilot models IIB, III, IV

** Pay attention to dispatch time/handling time, in most cases items will be ready to be shipped by the promised delivery dates shown, in some cases the item will have to be obtained directly through the manufacturer and can take a few months before it is ready to be shipped. We will not be able to provide any estimated lead time or shipping time as it is defined by the manufacturers availability.

** All photos are stock photo, verify you are buying the correct product using the Model/SKU number.

** Most items are non-returnable, in case of any return being accepted (case by case) you will be charged 20% restocking fee plus the original and return shipping cost.

** If this product is subject to a core return, you will have 5 days from the day you place the order to send your core to us. Please contact us for core return information.

Shipping Policy

Less than 1lb will be shipped USPS, Fedex or UPS for the rate shown in shipping section of the listing.

Above 1lb and below 50 lbs will be calculated after checkout and you will be paying the shipping fee charged by the carrier.

Above 50 lb will be freight and you will be responsible to pick up , we may be able to help you with freight quotes but the buyer will be responsible to arrange shipping and pick up.