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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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Airbus A320 family ↗Simulator documentation

A320neo v2 (iniBuilds) · Microsoft Flight Simulator · MSFS 2024

The later bundled A320neo has its own systems guide

The iniBuilds guide explains load-factor-based fly-by-wire control and automatic trim, and separates autopilot, flight-director and autothrust indications. It describes the later A320neo implementation. Its equipment differs from the original Asobo aircraft and independent A320 add-ons.

Archived simulator manual; installed package revision not observed · PDF pp.3,18 (printed17), visually rendered

SourceClick here to download the Airbus A320neo V2 Manual ↗Microsoft / aircraft developers
Airbus A320 family ↗Simulator documentation

Airbus A320neo V2 · Microsoft Flight Simulator · MSFS 2020

The later bundled A320neo has its own systems guide

The iniBuilds guide explains load-factor-based fly-by-wire control and automatic trim, and separates autopilot, flight-director and autothrust indications. It describes the later A320neo implementation. Its equipment differs from the original Asobo aircraft and independent A320 add-ons.

Archived simulator manual; installed package revision not observed · PDF pp.3,18 (printed17), visually rendered

SourceClick here to download the Airbus A320neo V2 Manual ↗Microsoft / aircraft developers
Airbus A330 family ↗Simulator documentation

A330 (-200, -300, 300P2F) · Microsoft Flight Simulator · MSFS 2024

The -200 and -300 have different fuel arrangements

The iniBuilds A330 guide distinguishes the -200's centre-tank configuration from the -300 and describes the horizontal-stabiliser trim tank. It also covers hydraulic preparation and engine-specific indications. Engine and airframe combinations are identified by variant throughout the manual.

Archived simulator manual; installed package revision not observed · PDF pp.77,114; variants

SourceAirbus A330 ↗Microsoft / aircraft developers
Airbus A330 family ↗Simulator documentation

Airbus A330-300 · Laminar Research · X-Plane 12

Sidestick commands and automatic trim

Laminar's A330 guide explains load-factor-related sidestick behaviour, automatic trim and its relationship to bank and load conditions. It also identifies three hydraulic systems. These systems are documented for Laminar's aircraft.

Archived simulator manual; installed package revision not observed · PDF pp.18,24; FBW behavior

SourceAirbus A330-300 POH ↗Laminar Research
Airbus A330 family ↗Simulator documentation

Aerosoft A330-900neo · Aerosoft · MSFS 2024

Documented product features

Aerosoft describes an A330-900neo simulation with custom Normal and Direct flight-control laws. Its product page also describes flare trim logic and an optional automatic take-off trim setting. These are Aerosoft product features, separate from the default MSFS A330 and ToLiss A330 entries.

Product page · flight-control and trim features

SourceAerosoft Aircraft A330 neo ↗Aerosoft / Just Flight
Airbus A380 ↗Simulator documentation

A380X · FlyByWire · MSFS 2020 · MSFS 2024

Fuel trim and flight controls are different systems

FlyByWire's A380X documentation separates trim-tank fuel management from the flight-control checks performed with the sidestick. It also identifies autopilot engagement and hydraulic shutdown procedures. Fuel transfer manages balance, while the sidestick checks concern the flight controls.

SOP snapshot; dated pages; installed aircraft build not observed · PDF pp13,29,40,83; after-start control check and climb

SourceA380X SOP ↗FlyByWire
Airbus H125 ↗Simulator documentation

H125 · CowanSim · MSFS 2020 · MSFS 2024

Stability assistance and upper modes do different jobs

Cowan's HeloSAS uses small cyclic corrections to stabilise the helicopter. The manual distinguishes force-trim behaviour with SAS engaged and disengaged, and explains the difference between spring-centred and non-centring controls. Its upper autopilot modes become selectable above 44 knots in the documented implementation. Stability assistance, rotor-speed governing and route-following modes are separate systems.

Archived document; installed package version not observed · PDF pp.1-2

Airbus H125 ↗Simulator documentation

H125 · CowanSim · MSFS 2020 · MSFS 2024

Cyclic trim and control assignments

The MSFS H125 guide documents longitudinal and lateral rotor trim together with a separate trim-reset binding. It also records a discrepancy between the hydraulic switch's cockpit operation and its hardware binding in this manual version. The manual's mapping pages list the external-control assignments.

Archived document; installed package version not observed · PDF pp.4,7

Airbus H125 ↗Simulator documentation

H125 · CowanSim · X-Plane 11 · X-Plane 12

Disconnecting an upper mode can leave SAS active

The X-Plane SAS guide distinguishes trim release, upper-mode disconnection and the underlying stability system. Its published force-trim-release and autopilot-disconnect commands have different effects: disconnecting the upper modes can preserve SAS. The documented 44-knot threshold applies to mode availability, not to a universal helicopter operating limit.

Archived X-Plane SAS/AP manual · PDF pp.1-4

SourceSAS Manual ↗CowanSim
Airbus H125 ↗Simulator documentation

H125 · CowanSim · X-Plane 11 · X-Plane 12

Separate controls for trim, hydraulics and mission equipment

The X-Plane H125 manual identifies cyclic trim, force-trim release and autopilot-off controls. It also describes the collective-mounted hydraulic switch and separate sling-load and servo-test controls. These functions have distinct purposes even when a desktop setup assigns several of them to buttons on the same device.

Cowan H125 guide copyright 2022 · PDF pp.8,21-24

SourceUser Manual ↗CowanSim
Airbus H145 ↗Simulator documentation

Airbus H145 · Hype Performance Group · Hype Performance Group · MSFS 2020 · MSFS 2024

Basic stabilisation, upper modes and trim release

HPG's AFCS reference distinguishes basic attitude stabilisation from upper modes such as altitude, airspeed, navigation and ground-trajectory control. Automatic trim is required for upper-mode operation, while cyclic trim release pauses the control logic for pilot input. The guide also describes follow-up-trim settings.

HPG H145 online documentation · AFCS background, trim release and upper modes

SourceH145 AFCS ↗Hype Performance Group
Airbus H160 ↗Simulator documentation

H160 · Hype Performance Group · MSFS 2020 · MSFS 2024

Four-axis automation with a separate backup layer

HPG's H160 has a four-axis automatic flight-control system, two main computers and backup SAS. Cyclic trim release temporarily gives the pilot an input window, while beep trim changes meaning according to the active upper mode. The guide gives autopilot-off, upper-mode-off and backup-cut actions different functions.

Content Creator Preview · 20 October 2023 · PDF pp.3–4,26–27