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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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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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October 2025 Edition
Enhance Pilot Situational Awareness With Garmin G600 TXi

The term situational awareness is frequently used in aviation, but what does it actually mean for a pilot in the flight deck? And how can modern avionics, like the Garmin G600 TXi, take that awareness to the next level? Watch this video and learn.

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October 2025 Edition
What Is Aircraft Damage History, And How Does It Affect Aircraft Value?

Aircraft buyers and sellers often face a significant question: What exactly constitutes damage history, and how does it affect an aircraft's value? This question is more complex than it seems, as damage is a subjective concept with no universal standard. To shed light on this issue, we spoke with three sales representatives from Duncan Aviation's Aircraft Sales & Acquisitions: Ann Pollard, Tim Barber, and Doug Roth.

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September 2025 Edition
Gyro Overhaul: We Do More Than What's Required. We Do What's Right

When overhauling a Vertical Gyro, most facilities stop at replacing the components mandated by the Component Maintenance Manual. While this meets the requirements for returning the gyro to service, Duncan Aviation goes further, prioritizing what is right over what is merely required.

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August 2025 Edition
Honeywell AS907 (HTF7000) Engine Inspection Intervals

Most inspection tasks on the Honeywell AS907 (HTF7000) are straightforward, offering consistent turntimes and cost expectations. However, it's important to note that the Borescope inspections of turbine and compressor components can reveal issues that may extend downtime and increase costs

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August 2025 Edition
Learjet Gust Locks Prevent Unnecessary Surface Damage

Gust locks lock the control column in place, preventing random movement and possible damage of the surface from wind while an aircraft is parked. It only takes a small investment to prevent damage that could cost tens of thousands of dollars and hours to repair.

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