Microsoft Flight Simulator X: Steam Edition - Piper Aztec Add-On

Let me lay out the numbers first: two 250hp Lycoming O-540 engines, six seats, a longer nose for baggage storage, a swept vertical tail, and revised instrument panels over the original Apache-lineage PA-23 airframe. That is the Piper Aztec PA-23-250-D, developed by Aeroplane Heaven and sold as DLC for FSX: Steam Edition. It lands in the light twin-engine general aviation bracket, slotting comfortably above a Cherokee in complexity but well below anything turbine-powered. If your spreadsheet currently has a gap in the GA twin column, this is what fills it. The feature list is specific enough to matter. You get the Altimatic MkIII autopilot system, a toggleable modern avionics suite with GPS, toggleable yokes and engine levers, working trim cranks, operating visors, and a kneeboard checklist for cold-and-dark startup and shutdown. A high-quality paint kit is also included. The aircraft supports both VFR and IFR operations, which means it can carry you through basic pattern work and also discipline you into proper instrument scan habits on longer cross-country routes. The multiplayer mode supports short-to-mid-range group flights and fly-ins, which is the add-on's most consistently praised use case among the community. Here is the honest performance review column: Steam user sentiment sits at 58% positive across 74 reviews, a "Mixed" rating that tells a precise story. The Altimatic MkIII autopilot is period-correct but deliberately clunky compared to modern avionics, which some users read as realism and others read as frustration. The cold-and-dark checklist is a genuine asset for pilots who want procedural discipline, but there is no structured tutorial bundled with this DLC itself, so newcomers relying solely on this add-on will need to pull resources from the wider FSX community or real-world Aztec checklists. The base FSX platform also carries all of its legacy limitations into the experience, no surprises there. For context on whether this DLC still makes sense as a purchase: FSX: Steam Edition is an aging simulator, and the broader flight sim ecosystem has moved on toward MSFS 2020 and beyond. The Aztec add-on is, practically speaking, a niche buy aimed at pilots who have made a deliberate choice to stay on FSX and want to expand their GA twin roster. If you are already committed to that platform, the Aztec rewards deliberate, checklist-driven flying and gives you a genuinely different handling character from single-engine props. If you are new to flight sims or sitting on the FSX versus MSFS 2020 fence, the base platform question should be answered before you look at add-ons. Diego, Scout Team