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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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April 2026 Edition
The Current Aftermarket For The Bombardier Global Express XRS Business Jet

As the pre-owned aircraft market stabilizes, the Bombardier Global Express XRS has solidified its status as the top-tier value choice for ultra-long-range travel. Offering intercontinental reach and a proven platform at a significant discount compared to newer models, the XRS represents a strategic entry point for value-conscious operators. The following analysis breaks down the current pricing trends, critical value drivers, and the competitive landscape for this enduring market leader.

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April 2026 Edition
Optimizing Falcon Jet Cabin Comfort: The Critical Role Of Temperature Sensor Maintenance

The precision of an aircraft’s Environmental Control System depends on small, often-overlooked temperature sensors. These units act as miniature vacuums, drawing in cabin air, along with dust and debris, to provide the real-time data necessary for passenger comfort. This article explores why regular cleaning and maintenance of these sensors is critical to ensuring the ECS delivers the precise climate control it was engineered to provide.

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April 2026 Edition
Is It Possible To Wash My Jet's Engine Too Much?

It’s a common question that many operators hesitate to ask, but the answer is a definitive no. In reality, regular gas-path cleaning is a vital pillar of preventive maintenance, especially for aircraft operating in salt air or polluted environments. A strategic wash schedule is your best defense against performance loss and the high cost of corrosion.

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April 2026 Edition
Comply Proactively With SB 45-27-54: Learjet Aileron

Affecting 600+ aircraft, these Learjet aileron Service Bulletins require specialized NDT inspections and structural modifications. Duncan Aviation’s experts break down the requirements, downtime expectations, and why choosing the right facility is vital.

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March 2026 Edition
Avionics Loaners: Streamlining Troubleshooting and Downtime

Unscheduled avionics squawks are an operational nightmare, often grounding your aircraft at the worst possible moment. The challenge isn't just the repair—it's the downtime spent guessing if the fault lies in the unit or the airframe. Duncan Aviation’s Loaner Program solves this by providing immediate cross-diagnostic units, letting you verify the fix and return to service while your original hardware is on our bench.

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March 2026 Edition
Honeywell IntuVue RDR-7000 Weather Radar System

Accurate airborne weather radar is a critical component of flight safety and operational efficiency. Convective activity, turbulence, hail, lightning, and windshear pose ongoing operational challenges, often resulting in delays, reroutes, structural damage, and increased maintenance costs. Advances in predictive radar technology are intended to improve detection accuracy, reduce crew workload, and enhance situational awareness in these environments.

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March 2026 Edition
Upgrading Legacy Audio: PS Engineering PAC37 Panels

Business aircraft operators with older audio systems often face challenges maintaining reliable communication and audio quality in the cockpit and cabin. For aircraft equipped with legacy Baker 1045 audio panels, the PS Engineering PAC37 offers a modern, plug-and-play replacement with enhanced flexibility and features.

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