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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Honeywell issued Service Bulletin AS907-72-9094 that calls for the replacement of the #4 carbon seal on the HTF7000/AS907 series engines. We can do this as an engine-only event in as little as 4 days.
Are your aircraft's RVSM operations fully compliant? While FAA requirements shifted away from standalone approved programs, configuration control and height-monitoring standards remain strictly enforced. Learn the key differences between Section 9 and Section 3 pathways and Duncan Aviation’s role in keeping you airworthy.
As business travel demands grow, many owners of piston twins begin looking at turboprops for greater range, payload, reliability, and operational flexibility. But moving to turbine power involves more than buying a larger aircraft. From maintenance planning and pilot training to operating costs and regulatory requirements, a successful transition depends on carefully matching the aircraft to the mission. This article examines the key benefits, tradeoffs, and considerations to help buyers determine whether a turboprop is the right next step for their operation.
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.
While the FAA encourages the TCAS 7.1 upgrade, strict ICAO and EASA mandates make it a necessity for international operators. Learn how Version 7.1 improves flight safety, impacts your flight plans, and what certification path your aircraft requires.
Because of our long history and experience with the Learjet aircraft, we know the most commonly exchanged parts and keep an inventory available to meet customer needs.
If the static port on your Falcon 50B/EX has an added shim, extra caution is needed during removal as not to cause damage.
It is a very simple process to troubleshoot altitude and airspeed indicators if you have a spare indicator available.
During the next walk around of your Falcon 2000, pay close attention to the small door roller bracket that is mounted on the aft lower corner of your opened baggage door.
The autopilot gets blamed for many squawks, such as aircraft porpoising, oscillating reaction and wing rock, among others. However, it may just be reacting to false readings it is receiving from the computers due to servo tach problems.
At Duncan Aviation, we’ve noted several Gulfstream V aircraft with pitting on the spoiler board and fixed wing overhang panels.
At Duncan Aviation, we have recently been made aware of a Master Warning Light issue on Learjet 60s that have complied with Service Bulletin 60-31-2 and have the ice detector option installed with the ice detector annunciators in the Glareshield.
As you might expect, like so many issues surrounding when you should weigh your business aircraft, there are a multitude of correct answers depending on the circumstances.
Dassault has a Special Commercial Program for FSA900EX-54-10-02-R5 that extends the warranty and provides a discount for parts.
During recent inspections, Duncan Aviation Accessory technicians have found corrosion on the pistons in the Main Actuator.