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Duncan Intelligence Newsletter

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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Read the Latest Articles

November 2026 Edition

Engine R&R: Planning for Airframe Discrepancies Not Covered by Maintenance Programs

For many aircraft operators, few surprises are as frustrating—or expensive—as discovering that an engine R&R has uncovered airframe issues outside the scope of their maintenance program. From aging components to hard-to-find replacement parts like green sheet insulation blankets, unplanned discrepancies can quickly stretch a three-day engine change into weeks of extended downtime. Fortunately, proactive planning and alternative repair solutions can keep your maintenance project on track. Read on to explore how early preparation and smart repair options can save you time and money during your next engine event.

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November 2026 Edition

CPDLC/ADS-C & Datalink Testing

Ahead of a scheduled flight, pilots and DOMs should test their datalink systems to ensure they are able to connect and request and receive valuable flight information.

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November 2026 Edition

Finding the Right Aircraft for Your Needs

Selecting the right business jet is a high-stakes investment, but the sheer volume of data can make narrowing your search feel overwhelming. Duncan Aviation has simplified this process with an updated Model/Market Summary that compares everything from hourly operating costs to full-seat range across the latest airframes. Check out how this tool can streamline your next acquisition and help you identify the perfect model for your mission.

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November 2026 Edition

Loose And Creeping Aircraft Seat Backs

When an aircraft seat’s hydraulic recline mechanism starts to feel spongy, develop play, or slowly creep upright, a leak in the actuator may be to blame. Before removing the unit for overhaul, try a simple, often overlooked step.

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July 2026 Edition
Identify & Troubleshoot Airborne Weather Radar Spoking and Interference

Is radar spoking cluttering your cockpit display? Whether it's caused by high-altitude arcing, external interference, or a recent maintenance, tracking down the source can be tricky. Keep reading to learn the common causes of radar anomalies and the essential troubleshooting questions to help you isolate the issue fast.

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July 2026 Edition
Don’t Wait for a Major Airframe Inspection to Upgrade Your Avionics

Tight maintenance schedules shouldn't ground your avionics upgrades. While MROs prioritize large, multi-shop jobs, Duncan Aviation’s Satellite shops offer a flexible alternative. Read how our teams can efficiently handle everything from connectivity installations to critical flight deck upgrades without the long wait times.

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July 2026 Edition
The Flight Department Perspective in Aircraft Transactions

When buying or selling a business aircraft, there’s a big difference between how a model looks on a spreadsheet and how it performs in everyday operations. Keep reading to explore how real-world data from Duncan Aviation’s own active Flight Department bridges this gap, giving our Sales & Acquisitions team unique, practical insights that help clients minimize risk, clarify the realities of ownership, and find the perfect mission fit.

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June 2026 Edition
Duncan Aviation Provides Continued Support For Collins RTU-870 Series

Collins Aerospace announced the discontinuance of the RTU-870 series Radio Tuning Units in 2014. While the upgrade path remains the primary long-term solution for many operators, it is not always the most practical or cost-effective option. Many operators seek alternatives to full system replacement.

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June 2026 Edition
Aircraft Tool Calibration: 5,000 Years in the Making

It is believed that around 3,000 BCE., the Egyptian unit of length was established. The Royal Egyptian cubit was decreed to be equal to the length of the forearm from the bent elbow to the tip of the extended middle finger plus the width of the palm of the hand of the Pharaoh ruling at the time. The Royal Cubit Master was carved from a block of black granite to endure for all time (the equivalent of today’s primary standard).

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June 2026 Edition
Troubleshooting Honeywell FMS Waypoint Sequencing And Overshoot After NZ 6.1 Upgrade

Operators who have recently updated their Navigation Computers to NZ 6.1 (or later) software may notice unexpected flight behavior. These symptoms typically include the aircraft sequencing to the next waypoint as early as 20 miles out, shallow turns, and overshooting direct-to waypoints during departure. Although these issues may appear to be internal hardware faults or software bugs, the solution is a straightforward on-wing configuration adjustment.

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May 2026 Edition
Aircraft Exterior Care: Why You Should Repaint Every 5 To 7 Years

Is your aircraft's paint job a luxury or a structural necessity? While it certainly looks great on the ramp, your paint system is actually a critical maintenance component engineered to shield the airframe from corrosion, UV damage, and environmental stressors. Read our latest feature to learn why a proactive paint program is the key to preserving your jet’s safety, integrity, and long-term market value.

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