The best payware aircraft for FS9 are the ones that can still be bought, downloaded and installed on your own Windows setup. FS9 is Microsoft Flight Simulator 2004: A Century of Flight, a legacy simulator with an active enthusiast community but no modern central marketplace. A famous old add-on is not automatically a good purchase in 2026. Its original publisher may have closed, payment may no longer work, activation can fail or its installer may not cooperate with a current operating system.
Start with a current publisher or retailer page that explicitly says FS2004 or Flight Simulator 2004. Just Flight still lists several FS2004-compatible airliners, including its 747-200/300 FS2004 and 767-200/300 Series for FSX and FS2004. Those are the safest documented choices because their product pages state the simulator compatibility, describe the included variants and still provide a download purchase route. Older names such as PMDG 737 NG, PMDG 747-400, Level-D 767 and Leonardo Maddog 2006 remain important in FS9 history, but check legal availability and current installer support before paying a reseller or a private seller.
Best current long-haul classic: Just Flight 747-200/300 FS2004
Just Flight’s current 747-200/300 FS2004 product is the strongest documented purchase for someone who wants a classic widebody and a straightforward purchase path. The official page says it is compatible with Flight Simulator 2004 and includes passenger, combi and cargo versions of the 747-200 and -300 with General Electric, Pratt and Whitney and Rolls-Royce engine options. It also describes a virtual cockpit, a 2D panel and a limited-function F-Lite FMC.
Choose it for vintage airline routes, cargo flying or a pilot who wants a detailed aircraft without the preparation load of an advanced systems simulation. The F-Lite designation is important: this is not presented as a study-level reproduction. That can be a feature, not a defect. It lets a returning FS9 pilot enjoy a long-haul aircraft without spending every session in the overhead panel. Check the stated operating-system requirements and available support before purchase.
Best current medium-widebody option: Just Flight 767-200/300 Series
The Just Flight 767-200/300 Series is a current product page that explicitly supports both FSX and FS2004. Its support documentation includes FS2004-specific guidance for locating the aircraft in the simulator menu, which is useful evidence that the FS9 route was not merely a marketing label. The 767 family is a sensible choice for a pilot who wants a more manageable twin-engine airliner than a 747 while retaining long-range airline missions.
Choose this series for routes where a 767 feels appropriate and when the goal is a polished, conventional airliner add-on from a seller that still publishes support information. Before buying, read the product description for the exact variants, included liveries and system depth. Do not assume every aircraft in a family has the same cockpit, sounds or procedures, and do not assume an FSX screenshot proves FS9 compatibility.
Best historic deep-systems candidates: PMDG and Level-D
PMDG’s FS9-era Boeing 737 NG and 747-400, along with the Level-D 767, are widely remembered as landmark airliner add-ons. A period PC Pilot index lists PMDG 737 NG as FS2002/2004 and Level-D’s Boeing 767-300ER as FS2004. That confirms their place in the FS9 ecosystem, but it does not establish a safe current purchase source. Treat them as research targets, not automatic shopping recommendations.
If you find a listing, verify four things before payment: that the seller is authorized, the download and license key are supplied, the specific version says FS2004 or FS9, and recent users can install it on an operating system comparable to yours. Avoid unofficial cracked installers and abandonware claims. They create security and licensing risk and often leave a buyer without documentation or updates. A legal product with a less ambitious cockpit is better than a famous simulation that cannot be installed reliably.
Best for older jet procedures: Leonardo Maddog 2006
Leonardo Maddog 2006 is another well-known FS9-era name, valued by enthusiasts for an MD-80-style airline experience. It belongs in a legacy shortlist only after the same availability checks. Do not confuse later Maddog versions for newer simulators with the 2006 FS9 edition. A listing that says Maddog without naming the simulator version is not enough evidence of compatibility.
Choose an MD-80 add-on when you specifically want to learn a classic cockpit flow and fly routes suited to that aircraft, not merely because it has a prestigious reputation. Legacy airliner products can require documentation, patches and careful configuration. Save the installer, license information and manual in a backed-up folder as soon as a legitimate purchase is complete.
What to check before buying any FS9 add-on
- Simulator label: confirm FS2004, FS9 or Flight Simulator 2004 is stated, not just FSX, Prepar3D or the current Microsoft Flight Simulator.
- Current delivery: use a publisher or established retailer page that still offers a working download and support path.
- System depth: decide whether you want an approachable F-Lite aircraft or a procedure-heavy legacy simulation.
- Modern compatibility: read current support notes and community reports for Windows, graphics and installation issues.
- Licensing: avoid unverified keys, copied installers and claims that a commercial product has become freeware without a publisher statement.
For a new FS9 purchase today, the documented Just Flight 747-200/300 and 767-200/300 are the clearest starting points because their current pages explicitly name FS2004. PMDG, Level-D and Leonardo products remain historically significant, but their availability must be verified title by title. Choose the aircraft for the flying you want to do, then make download legitimacy and installer support part of the selection rather than an afterthought.