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Research aircraft and systems

Find aircraft background, systems descriptions and manuals for the aircraft you are researching. Each note keeps its source and version context close by.

Simulator manuals describe the developer’s implementation. Aircraft background is research-based; pilot accounts describe an individual’s experience. Coverage here is limited to the selected notes and linked resources, not the full contents of every manual.
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Diamond DA62 ↗Research-based aircraft background

Diamond DA62

The DA62 expanded Diamond's touring-aircraft range with a larger twin-engine cabin. Its long wing, slim engine nacelles and retractable landing gear follow the company's composite-airframe design language. Cabin seating depends on configuration, with arrangements extending beyond a conventional four-seat light aircraft.

Engine management and integrated avionics are central to the type's identity. The simulator products describe their own engine controls and cockpit functions.

Aircraft / family

SourceDiamond DA62 ↗Wikipedia contributors
Dorand G.20 ↗Simulator documentation

Dorand D20 · VSKYLABS · X-Plane 12

Released product and variants

This freeware release is a functional interpretation of the Dorand G.20, which never flew. The simulated flying qualities are conceptual and are not presented as measured performance from the real prototype.

Official developer / designated-store reference · checked 2026-09-14

Dorand G.20 ↗Research-based aircraft background

Dorand G.20

René Dorand’s G.20 was an experimental helicopter developed around coaxial rotors and two Renault engines. The prototype survived the interruption of the Second World War and reached ground testing, but did not fly.

VSKYLABS’ Dorand D20 is a released freeware interpretation for X-Plane 12. It explores how the unusual design might have behaved, so the simulator’s flight characteristics are explicitly conceptual.

Dorand G.20 configuration described by VSKYLABS

Dornier 228 ↗Research-based aircraft background

Dornier 228

The Dornier 228 is a twin-turboprop utility transport with an unpressurized cabin. NASA’s early description distinguishes a 15-passenger 228-100 from the 19-passenger 228-200 and identifies TPE331-5 engines with four-blade propellers. The two cabin lengths provided a small-airliner and utility platform within the same programme.

Early Do 228-100/200 configuration in NASA's contemporary review.