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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

August 2026 Edition

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.

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.

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.

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More Articles

Carbon Fiber + Aluminum + Water = Corrosion. Are The Panels Properly Sealed?

Sep 30, 2021, 10:00:00 AM

If water is allowed to penetrate the seal between carbon fiber and aluminum, it creates a battery-like environment and can becomes highly corrosive.

Inspection Due Points And Tolerances

Sep 30, 2021, 10:00:00 AM

All OEMs allow for time limits, or tolerances, on inspections to be extended for maintenance scheduling purposes. This is helpful when planning for maintenance events around a busy flight calendar.

Caring For The Wool Carpet In Your Business Aircraft

Sep 30, 2021, 10:00:00 AM

Keeping the wool carpet in your aircraft looking and performing at its best, regular cleaning is necessary.

Don’t Send In Your Radar Flat Plates

Aug 31, 2021, 10:45:00 AM

Do not send us your radar flat plate. They are difficult to ship and not necessary for the inspection.

Embraer: Don’t Ignore the Leading Edge

Aug 31, 2021, 10:00:00 AM

It is costly to polish the leading edge on a regular basis. But it is considerably more costly to let them go for an extended period time.

Straight Talk On Datalink

Aug 31, 2021, 9:00:00 AM

This Straight Talk book deals with Datalink functions, specifically highlighting FANS 1/A+ (Future Air Navigation Systems), which is one of the Airspace modernization initiatives.

ACA Air Purification

Aug 31, 2021, 9:00:00 AM

Ionization technology has been used in several industries for years. Watch this video learn how the system can work for your aircraft.

Spare The Grease, Spoil The Gear

Jul 27, 2021, 9:00:00 AM

Grease alone is the number one defense against corrosion. Corrosion cannot be prevented, but the effects of it can be lessened and controlled if you are aggressive with your grease gun. The greasier the better.

Has Your Aircraft Spares Inventory Reached Its Shelf Life?

Jul 26, 2021, 1:00:00 PM

Time sometimes slips by faster than we realize. And while it does, components that are sitting on shelves as serviceable are aging.

Give Your Battery The Credit It Deserves

Jul 26, 2021, 1:00:00 PM

Batteries deserve more credit in the successful operation of your aircraft. They are the first component to engage an aircraft’s electrical system and the last line of defense before everything shuts down in an emergency.