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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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.
Duncan Aviation was recently shortlisted for the Private Jet Design Award in The International Yacht & Aviation Awards 2018. Hosted by leading interior design magazine Design et al and leading yacht and aviation design magazine Luxe et al, The International Yacht & Aviation Awards reward the best in design from across the globe.
In response to customer requests for full Duncan Aviation services in the western U.S., Duncan Aviation has begun construction on a maintenance, modifications and paint complex at its Provo, Utah, location. The expansion includes a large maintenance/modifications center and an innovative paint facility.
According to the most recent data from the FAA, slightly fewer than 10% of all U.S. registered ADS-B-equipped aircraft are NPE, or non-performing emitters.
The BendixKing KFC 400 Autopilot System is a full autopilot package found on the Learjet 31A and King Air aircraft. We are an authorized BendixKing service center and have seen this system in our avionics repair shop many times.
Have you ever experienced poor cabin cooling on the ground while the APU was in operation? Keep reading...
We have had great success using this for dent removal.
When an aircraft is parked in direct sunlight, the dark tint of sunshields absorbs heat and interior fold-out sunscreens reflect it back into the window. Both can damage the acrylic material on the window, causing irreparable and expensive damage.
If done on a routine basis, compressor washes will reduce deterioration of the ITT margin, help restore engine efficiency, reduce engine workload and decrease fuel consumption.
Engine FOD, because of its ability to cause damage beyond the front visible compressor stages, can go unnoticed and have no cockpit effect.
Duncan Aviation is DOT certified for hydrostatic testing.