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MSFS 2020: Aircraft and Avionics Update 1 is now available

Adrian K

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from Microsoft:


If you are playing on PC, outdated packages in your community folder may have an unexpected impact on the title’s performance and behavior. If you suffer from stability issues or long loading times, move your community package(s) to another folder before relaunching the title. Click here to learn how to update your version safely.

The CJ4 and G3000 Working Title mods must be removed from your Community folder as they are no longer compatible with the AAU1 versions of the aircraft and have now been deprecated. Additionally, any current TBM or Longitude mods (including any FDE or lights mods) must also be removed or the aircraft may refuse to start, exhibit broken systems behavior, or display other incorrect functions.

Fixed unflyable helicopters when user had the legacy flight model realism settings (gyroscope) set to less than 100%
Fixed control loss of Pitch axis on helicopters when anti stall assist is “on”
Repaired snow covering 100% of airport tarmac & roads
[NavData] Fixed DeleteNavAtAirport that was removing VOR, NDB and waypoints everytime
Fixed secondary aerials sometimes overridden by Bing aerial on terrain with photogrammetry
Fixed terrain level of detail issue on Xbox

GNS 430W / GNS 530W
The simulator’s Garmin GNS 430W and GNS 530W have been upgraded to bring them much more closely in-line with their real-world counterparts:

Comprehensive visual overhaul for accurate font, symbology, look, operation, and feel
Advanced flight plan support, including support for complex departure, arrival, and approach procedures (arcs, holds, procedure turns, etc), with correct real-unit limitations (no radius-to-fix, heading, or some intercept legs)
Full RNAV support and simulation, with support for LPV, LP, LNAV/VNAV, and +V vertical guidance during approaches
GPS satellite and SBAS simulation, including orbital mechanics-based real satellite positions and accurate SBAS coverage areas, GPS status page
VNAV profile calculator page and associated reminders/alerts
Support for missed approaches and missed approach holds
Full specification-accurate ADS-B based Traffic Avoidance System
More accurate map symbology, procedure previews
Keyboard entry mode for waypoints, navaids, and direct-tos
Numerous customization options found on the real unit, such as metric/imperial units settings, map data fields settings
Satellite weather overlay support (NEXRAD)
These units have been added to the following aircraft in AAU1:

C172 Classic
Cap 10
L-39 (Athena, Blue Ice, Pipsqueak, Robin 1, Sarance)
P-51D (Wee Willy, Lady B, Strega, Miss America)
T-6 (Almost Perfect, Baby Boomer)

The Cessna Citation CJ4 avionics have been heavily upgraded to bring an authentic CJ4 avionics experience:

Comprehensive visual overhaul for accurate font, symbology, look, operation, and feel
Independent MFD and FMS operation
Advanced flight plan support, including arcs, radius-to-fix, intercepts, hold, procedure turns, missed approaches, and custom waypoint scratchpad entry
Coupled VNAV with editable constraints, flight path angles, vertical path smoothing, and VNAV-invalidation conditions
Advanced autopilot, including armable lateral and vertical modes as well as complex combined-armed modes – Full specification-accurate TCAS II traffic system
Cabin pressurization and complete Crew Alerting System
FMS performance calculations for takeoff and landing speeds
Integrated dual engine FADEC systems with N1 mode indications and accurate N1 targets
Independent display options and state-saving
Enhanced FMS Text MFD display modes
Keyboard entry mode for FMS data entry
AHRS alignment and startup sequence
Improved flight model:
Improvements to ground and crosswind handing during the takeoff and landing phases
Improvements to flight control performance accuracy, smoothness, and handling
Improvements to fuel consumption accuracy
Improvements to handling while in ground effect
Improved engine and interior sound effects

Comprehensive visual overhaul for accurate font, symbology, look, operation, and feel, including Garmin Touch Controller (GTC) visuals that are faithful to the real unit complete with UI animations
Advanced flight plan support, including arcs, radius-to-fix, intercepts, holds, procedure turns, and missed approaches
Support for custom waypoints, including lat/lon, point/bearing/distance, and present position
Two (aircraft-dependent) styles of coupled VNAV: Simple VNAV: Descent path VNAV only, always targets bottom-most altitude constraint Advanced VNAV: Climb constraint and descent path VNAV, vertical path smoothing through varied constraint types, editable constraints, and flight path angles
Independent PFD and GTC options
PFDs and MFDs with full split-pane support
Support for the full set of context-dependent GTC knob controls
GPS satellite and SBAS simulation, including real orbital mechanics-based satellite positions, accurate SBAS coverage areas, and GPS status page
Comprehensive traffic system implementations, including (aircraft-dependent) spec-compliant Garmin TIS, TAS, and TCAS-II
Support for multiple layout styles, including horizontal or vertical GTCs, screen-pane options, numbers of screens, and more
Support for custom V-speed bugs, SVT, angle of attack indicator, HSI moving map, timers, minimums, and bearing pointers
A multitude of customization options, including measurement units, all saved per screen and/or aircraft
AHRS alignment and startup sequence
JavaScript plugin support for loading:
Engine Instruments and Systems (EIS) displays
Custom PFD or MFD display panes (full- or half-screen)
Custom GTC navigation, icons, and pages
Aircraft systems simulation and instrument styling
Support and wiring for the new Garmin G3000
Support for fully coupled Basic VNAV, as found in the real aircraft
Customized and highly accurate EIS
Systems synoptic pages
Customized electrical modeling
Support for opening exterior cockpit and cabin doors

Support and wiring for the new Garmin G5000
Support for fully coupled Advanced VNAV, as found in the real aircraft
Flight model improvements:
Better feeling of direct control
Highly accurate performance numbers
Revised fuel burns
Improved ground and crosswind handling
More accurate float during the landing phase
Dual engine FADEC with accurate N1 targets, modes, and thresholds
Fully featured autothrottle system with correct AT modes/functionality and communication to and from the FMS
Custom Longitude systems synoptics pages
Customized and highly accurate Longitude EIS
Full suite of accurate CAS messages
Takeoff and Landing Data (TOLD) support with FMS takeoff and landing performance calculations
Modeled systems based on manufacturer feedback and documentation:
Bleed air system, including pressure and temperature simulations, feedback between pneumatically fed systems, and starters
Hydraulic system, including fluid-based pressures sim with realistic hydraulic accumulator behavior and system knock-on effects from hydraulically powered systems as well as full PTCU simulation
Environmental control system with cabin/cockpit air mass simulations and sounds
Automated brake system with anti-skid, wheel-up spin inhibition, and brake temperature simulations
Electrical system, including generator bus connection logic and automatic on-ground bus tie logic
Speedbrake and ground spoiler control system with automated ground spoilers and speedbrake auto-stow logic, and corrected spoiler panel behavior
Fuel system with automated fuel pump logic and temperature simulations
Cabin pressurization system fed from the bleed air system with correct climb and descent schedules, and controller modes
Anti-ice system fed from the bleed air system, with temperature simulation and engine load efficiency decreases (N1, N2, fuel flow)
Exterior lighting systems with automatic light logic, improved light levels and locations
Pre-flight system auto-tests simulation

LS8-18 AND DG1001
Corrected instrument names on instrument panels and boot screens
Fixed an issue where the sim would allow an APU or engine bleed air start under the incorrect conditions
G1000 NXi:
Fixed incorrect text label in PFD arrival selection page
Fixed flight plan clearing when loading a VTF as the next leg
Fixed wind direction being shown in degrees true rather than magnetic
Fixed GPS WP distance showing 0 on a random direct-to

IMPORTANT: From SU11 onwards, we added some restriction on allowed files in an Asset Group of type SimObject (aircraft), see this link structure for more infos on what files are allowed or not. Please note that despite what the doc is saying you don’t have to manually edit the definition files to reference extra files that you want to put in your simobject asset groups (the doc will be updated for official release).

[SDK][Aircraft Editor] Fixed wrong default values for some parameters
[SDK][Aircraft Editor] Changed condition on afterburner_available and fuel_flow_gain to avoid malfunction on turboprop engines
[SDK][Aircraft Editor] Changed constraint on 2D-array parameters to avoid erroneous zero values at the end
[SDK][Samples] Added a standalone installer for the Wwise project
Fixed an issue that caused the NAV radios to not properly accept inputs when connected to the non-modular Electrical System
Some icons on the Longitude Systems and Controls pages may not display, but page/pane operation is not affected
TO/GA button on the CJ4 throttle handle may be hard or impossible to click for some users, but a clickspot has been provided on the Fire Bottle button to the left of the autopilot panel and the key binding will work to activate TO/GA
The test display screen on the GNS430W and GNS530W will not presently move the CDI needles
The nearest intersections page on the GNS units may display procedure intersections which appear to be duplicates


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1.  First paragraph says, "Click here to learn how . . . " etc.  CLICK WHERE?

2.  If you move your Community packages to "another folder," then it seems to me you would no longer have available all those neat downloads and purchases from the past 2+ years.  What are you trying to say?

Thank you.  

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1. On the link in your Support and Release notes in your copy of MSFS.

2. For 2 years now the standard update procedure has been to empty the Community folder before performing a MSFS update and then move things back into the folder. This doesn't mean to give up your downloads and purchases.

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Anyone noting any changes in vr after this update? I flew about 90minutes this morning in vr (HP Reverb G2), shut down the computer and did some chores.  Five hours later, started up and the 'Start VR' menu item brings dual menus to the monitor but nothing to the headset.  I've checked the headset connections but can't find a problem.  Anyone else experiencing anything similar? Sure don't want to reload all again.  Thanks for any suggestions.

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