The Duncan Intelligence is a free, technical newsletter for business aircraft owners and operators. Written in-house by Duncan Aviation's technical representatives, each edition includes technical tips and advice on topics and trends in business aviation. It is a free, monthly e-mail subscription for aviation enthusiasts around the world.
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Proactive planning can make all the difference in today’s high-demand maintenance environment. Connect with Duncan Aviation early to improve scheduling flexibility, anticipate parts needs, and minimize aircraft downtime—but don’t hesitate to reach out when an unexpected need arises. Openings happen, and communication is key to keeping your aircraft flying safely and efficiently.
Not every KHF-950 system that appears stuck in transmit mode is actually broken. Proper operation of the KFS-594 controller relies on specific programming and antenna-tuning steps that are easily overlooked. Here is a brief guide to the proper operating sequence, key controller modes, and quick fixes to prevent unnecessary bench testing.
Navigating the 2026 preowned jet market requires looking beyond simple asking prices. Competition remains fierce for premium long-range models. Meanwhile, supply chain bottlenecks and maintenance requirements are reshaping aircraft valuations across all categories, making real-time market intelligence and expert guidance critical for both buyers and sellers.
Discover the future of in-flight comfort and control with Duncan Aviation’s installation of the Collins Venue Cabin Management System. This video walks you through the features of this state-of-the-art CMS, designed to enhance the passenger experience with intuitive controls, premium connectivity, and powerful entertainment options.
The first step to troubleshooting an inoperable NAV is to identify the NAV source the pilot was using at the time of the failure.
As 2025 comes to an end, ACS Rep Rene Cardona reflects on what shaped this year’s preowned business jet market. The fourth quarter is always busy, but this year brought a unique level of intensity, driven by economic uncertainty early on and a surge of confident buyers later. Here’s his perspective on what we experienced in 2025—and what to expect as we head into 2026.
Don't get grounded by confusing nose wheel vibrations! A true nose gear shimmy—that rapid, side-to-side oscillation—is a serious issue often linked to play in the torque links, requiring immediate mechanical attention. In contrast, a simple vertical shudder felt during taxi or initial climb is often just an easily corrected wheel imbalance. This quick guide details the key differences and the essential steps to accurately troubleshoot the condition, starting with a simple inspection of the nose gear scissors.
Is your aircraft compliant? Missing small inspections tied to STCs or life-limited parts can lead to costly downtime and mandatory replacements. Learn why detailed records research is essential.
Don't Let Your Spare Aircraft Batteries Go Flat! Keeping a stock of essential aircraft batteries is crucial for operational readiness, but did you know that improper storage can drastically cut their lifespan and capacity? While temperature affects performance in the air, the storage environment is key to minimizing self-discharge and maintenance needs. Discover how optimizing storage temperature—from the effects of higher heat to the benefits of cold storage—can save you money, extend battery life, and ensure your spares are ready to deliver maximum performance when you need them most.
Honeywell has issued two Category II Reliability Service Bulletins, TFE731-79-3070 R1 and TFE731-79-5120, for the installation of new instruction plate decals on oil tanks to help prevent oil over-servicing.
To continue conducting business, operators need to stay connected to their contacts on the ground while at any altitude, anywhere in the world. Here is a low-cost alternative.
We urge a thorough inspection of this specific area during all future maintenance, especially as part of a pre-purchase evaluation, to detect and address cracks early.
Not sure why the engine computer light begins to flash after several flights and the only fault you can see is fault code 237, ECTM Buffer Filled? Keep reading to learn more.
Many factors will cause a low or high oil pressure indication on TFE731 engines. One of the more common causes is a faulty Breather Pressurizing Valve (BPV).
The unit requires to be function tested every 1200 hours or 36 Months, whichever occurs first. However, we have often witnessed that these actuators do not make it between function tests.