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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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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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July 2025 Edition
Video: Radar Stabilization Function Failure

A little understanding on how radar stabilization works can help both the flight crew determine erroneous return information, and assist the maintenance technicians tasked with troubleshooting the system.

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June 2025 Edition
Gulfstream 550 Intermittent Fuel Quantity

Duncan Aviation airframe technicians recently addressed recurring intermittent fuel quantity issues in two Gulfstream 550 aircraft. Continue reading to learn about their troubleshooting steps and the results they achieved.

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June 2025 Edition
Aviation Clean Air Ionization System For Odor- & Pathogen-Free Flying

One of the most annoying things that detracts from the comfort and convenience of flying is a lingering, unpleasant odor. For the last several years, Duncan Aviation has been installing the air-cleaning ionization system from ACA, and our clients have been pleasantly surprised by how clean and fresh the system keeps the air in the cabin during all phases of flight.

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