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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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McDonnell Douglas DC-9 ↗Simulator documentation

DC-9-10 / -30 Passenger and Freighter · Sky Simulations · MSFS 2020 · MSFS 2024

Product and edition scope

Sky Simulations lists DC-9-10 / -30 Passenger and Freighter for MSFS 2020 · MSFS 2024. The linked listing was captured 28 September 2026.

Product listing captured 28 September 2026; DC-9-10/30, MSFS 2020 and 2024

SourceSky Simulations McDonnell Douglas DC-9 ↗Sky Simulations / Just Flight
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McDonnell Douglas DC-9 ↗Simulator documentation

DC-9-21 / -41 / -51 · Sky Simulations · MSFS 2024

Documented product features

This is a separate Sky Simulations purchase for the -21, -41 and -51 models. The listing names MSFS 2024 and describes aerodynamic control tabs and multiple autoflight modes. This listing covers MSFS 2024; the -10/30 package has separate edition support.

Separate product page · compatibility, aircraft and autoflight

SourceSky Simulations DC-9 Series 21, 41 and 51 ↗Sky Simulations / Just Flight
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McDonnell Douglas DC-9 ↗Research-based aircraft background

McDonnell Douglas DC-9

Douglas introduced the DC-9 in 1965 for short-range routes. Its rear-mounted twin engines and two-crew flight deck supported economical airline operation. The family developed through numerous versions, several of which appear in separate simulator products.

DC-9-14 in Delta museum summary

SourceTrans-Texas Airlines Douglas DC-9 ↗Smithsonian National Air and Space Museum
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McDonnell Douglas F-4 Phantom II · Laminar Research · X-Plane 12

The Phantom helped drive changes to the core flight model

Austin Meyer’s February 2022 development account describes revising both X-Plane’s aerodynamic model and the F-4 aircraft definition with feedback from a former Phantom instructor. It specifically discusses changing the earlier artificial-stability arrangement while retaining damping.

X-Plane 12 development report; attributed design history, not present runtime qualification

SourceX-Plane 12 flight model update: supersonic transition, delta wings and mass properties ↗Laminar Research Developer
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McDonnell Douglas F-4 Phantom II · Laminar Research · X-Plane 12

Transonic pitch behaviour was part of that development work

The same report discusses changes to the simulated centre of pressure and the resulting pitch response through the transonic region. The developer describes these priorities for the X-Plane 12 version; no independent fidelity assessment is supplied.

Laminar Research Developer · February 2022; earlier simulator editions are not assigned these changes

SourceX-Plane 12 flight model update: supersonic transition, delta wings and mass properties ↗Laminar Research Developer
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