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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

Inaccurate Landing Gear Records Can Cost You More Than You Think

Jul 27, 2026, 11:00:00 AM

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.

TCAS 7.1 Upgrade: Key Safety Enhancements & Mandates

Jul 24, 2026, 1:00:00 PM

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.

July 2026 Edition

Staying Within The Lines: The Strict Regulatory Geometry of Your United States Registration-Number

Jun 24, 2026, 9:00:00 AM

A stunning new paint job can transform an aircraft, but a non-compliant registration number will quickly ground it. Under 14 CFR Part 45, the FAA enforces strict geometric rules for your tail number. Before you finalize your custom livery, make sure your design meets these non-negotiable dimensions.

July 2026 Edition

Troubleshooting Aircraft Components: A Picture is Worth A Thousand Words… A Video Says It All

Jun 23, 2026, 12:45:00 PM

Tracing an intermittent component failure on a static test bench is a frustrating guessing game. Fortunately, you are already carrying the solution. Documenting a live squawk with your smartphone camera provides technicians with unmistakable visual evidence, eliminating vague diagnostic loops and ensuring the problem gets fixed right the first time.

July 2026 Edition

Identify & Troubleshoot Airborne Weather Radar Spoking and Interference

Jun 23, 2026, 10:00:00 AM

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

Jun 23, 2026, 8:45:00 AM

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.

July 2026 Edition

The Flight Department Perspective in Aircraft Transactions

Jun 22, 2026, 11:15:00 AM

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.

June 2026 Edition

Are You Buying The Right Aircraft For Your Needs?

May 22, 2026, 11:00:00 AM

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.

June 2026 Edition

6 FAQ: What Causes Aircraft Component Servo Wear And When Does Repair Make Sense

May 22, 2026, 10:30:00 AM

Dive into our six comprehensive FAQs that break down the hidden environmental and handling factors that accelerate internal servo wear. Learn exactly what to expect from a master-certified inspection and how to determine if a repair or full replacement makes the most sense for your aircraft.

June 2026 Edition

Duncan Aviation Provides Continued Support For Collins RTU-870 Series

May 21, 2026, 2:00:00 PM

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.

June 2026 Edition

Aircraft Tool Calibration: 5,000 Years in the Making

May 21, 2026, 11:45:00 AM

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).

June 2026 Edition

Troubleshooting Honeywell FMS Waypoint Sequencing And Overshoot After NZ 6.1 Upgrade

May 21, 2026, 11:45:00 AM

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.

May 2026 Edition

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

Apr 22, 2026, 9:00:00 AM

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.

May 2026 Edition

Navigating Global Horizons: A Practical Guide To Importing & Exporting Part 25 Aircraft

Apr 15, 2026, 8:30:00 AM

International aircraft transactions are complex, involving a delicate balance of FAA compliance, customs coordination, and airworthiness certification. As a Part 25 aircraft owner, you understand the strategic value of moving assets across borders, but the technical execution remains a high-stakes endeavor.

May 2026 Edition

Garmin GFC™ 600 Digital Autopilot: A Game Changer In General Aviation

Apr 14, 2026, 12:00:00 PM

Offering superior integration and a wide array of safety-enhancing and self-monitoring features, the GFC 600 digital autopilot is a revolution in aftermarket flight control solutions.