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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

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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October 2026 Edition

APU Control System: Which Box Do I Send in for Repair?

The Duncan Aviation /Garrett APU system interfaces with the aircraft’s electrical system and includes controls for operating, monitoring, and regulating the APU. As seldom as these systems fail, when they do, it can be confusing to determine which box is causing the problem.

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August 2026 Edition
Moving Up To A Larger Turboprop: Potential Advantages And Pitfalls

As business travel demands grow, many owners of piston twins begin looking at turboprops for greater range, payload, reliability, and operational flexibility. But moving to turbine power involves more than buying a larger aircraft. From maintenance planning and pilot training to operating costs and regulatory requirements, a successful transition depends on carefully matching the aircraft to the mission. This article examines the key benefits, tradeoffs, and considerations to help buyers determine whether a turboprop is the right next step for their operation.

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August 2026 Edition
Inaccurate Landing Gear Records Can Cost You More Than You Think

Most overhaul delays don't start in the shop. They start with the logbooks when the serial number stamped on a part doesn't match the one listed in the maintenance logs. Reconstructing that paper trail can ground an aircraft for weeks and force you to replace parts that are actually totally fine. Here's a quick breakdown of where Chapter 5 records often fall through the cracks and how to resolve discrepancies before your aircraft goes down.

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August 2026 Edition
TCAS 7.1 Upgrade: Key Safety Enhancements & Mandates

While the FAA encourages the TCAS 7.1 upgrade, strict ICAO and EASA mandates make it a necessity for international operators. Learn how Version 7.1 improves flight safety, impacts your flight plans, and what certification path your aircraft requires.

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F50/900/2000 MLG Outboard Door Hinge

During the course of the last six months, technicians at Duncan Aviation have found several MLG OB door hinges seized. Learn more about proper operation and maintenance.

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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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