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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

June 2026 Edition

Are You Buying 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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June 2026 Edition

Duncan Aviation Provides Continued Support For Collins RTU-870 Series

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.

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June 2026 Edition

Aircraft Tool Calibration: 5,000 Years in the Making

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).

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June 2026 Edition

Troubleshooting Honeywell FMS Waypoint Sequencing And Overshoot After NZ 6.1 Upgrade

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.

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3D Renderings Help Clients Envision Finished Aircraft

Working with the Duncan Aviation Aircraft Design team is a remarkable experience. The designer interviews the aircraft owner to get an initial feel for their preferences and tastes. They then bring a suitcase full of pre-selected sample materials to an in-person meeting to further dialog and fine-tune the design. The next step is often the development of a realistic rendering so the client can visually see their future refurbished cabin.

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A Look at the 2018 Preowned Aircraft Market

Everyone is talking about the pre-owned market being stronger at the start of 2018 than it was last year. However, I’m going to venture a guess that most of us have heard this story a good number of times year after year.

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Duncan Aviation Shortlisted for Lux et al Design Award

Duncan Aviation was recently shortlisted for the Private Jet Design Award in The International Yacht & Aviation Awards 2018. Hosted by leading interior design magazine Design et al and leading yacht and aviation design magazine Luxe et al, The International Yacht & Aviation Awards reward the best in design from across the globe.

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Full Service Capacity Expansion Underway at Duncan Aviation-Provo

In response to customer requests for full Duncan Aviation services in the western U.S., Duncan Aviation has begun construction on a maintenance, modifications and paint complex at its Provo, Utah, location. The expansion includes a large maintenance/modifications center and an innovative paint facility.

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ADS-B And Non-Performing Emitters

According to the most recent data from the FAA, slightly fewer than 10% of all U.S. registered ADS-B-equipped aircraft are NPE, or non-performing emitters.

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KFC 400 Autopilot: Common System Squawks

The BendixKing KFC 400 Autopilot System is a full autopilot package found on the Learjet 31A and King Air aircraft. We are an authorized BendixKing service center and have seen this system in our avionics repair shop many times.

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