Dynon Certified SkyView HDX System Software

The software on this page is for STC approved installations of Dynon equipment.

The software on this page is for STC-approved installations only. If you have an SkyView system installed in an Experimental or Light Sport Aircraft, please visit the Software download page on dynonavionics.com.


Who May Install Software Updates


Type of Update Owner/Operator FAA Credentialed Mechanic/Repair Station
Software Updates NOT ALLOWED
Aviation and Obstacle Data
Charts and Airport Diagrams
Basemap and Terrain Databases


Software Update Guidance


Aircraft Type Approved Software
Certified Aircraft 16.7.2 is the latest software release for certified airplanes. See Software Download


Software Update


How to Update Software

To update SkyView Software, follow the applicable instructions in the ICA (Instructions for Continued Airworthiness).



Software Changes by Version

Version Date Released Changes
16.7.2 10/31/2024 New: Support for new SV-COM-PANEL with OLED screen.
New: Support for new Kavlico manifold air pressure (MAP) sensor.
New: Fuel at destination EMS widget.
New: Angle of attack indicator can now accept multiple calibrations for various flap positions.
New: Menu option to allow drawing of certain icons on top of raster (“paper”) map layers.
Added: LEVEL and AP buttons on SV-AP-PANEL now function when autopilot is in simplified mode.
Added: Yaw Trim Advice is now displayed in Six Pack PFD mode.
Added: Capability to update COM radio transciever module firmware via SkyView.
Added: When data logs reach capacity, user is prompted to clear them to recover space.
Added: SYSTEM 21 Event for technical support use.
Improved: Increased limit of unique types of engine sensor definitions.
Improved: Ability to update COM radio transceiver module firmware via SkyView.
Improved: ADS-B traffic is now prioritized over TIS traffic at all times when ADS-B data is available.
Improved: Precision of flaps, trim, and fuel calibration pages to three decimal places.
Improved: Smaller changes in voltage between steps are now considered valid during flaps, trim, and fuel calibrations.
Improved: SV-ADSB-472 firmware update. Note SV-ADSB-472 firmware must be updated in SETUP MENU > ADS-B STATUS.
Improved: EMS FAIL and ADAHRS FAIL alerts are now warnings.
Improved: All alerts for B/U BATT now say BACK UP BATT.
Improved: HDG SRC FAIL message changed to HEADING SRC FAIL.
Changed: ADS-B PARTIAL reception prioritized over TIS.
Changed: ADS-B NO RADAR status message updated to ADS-B PARTIAL.
Changed: CHECK CANOPY LATCH alert default RPM is now 200 RPM.
Fixed: COM Panel displays frequency names correctly.
Fixed: Software update process for SV-ADSB-472.
Fixed: Green range fill coloring on CHT and EGT widgets.
Fixed: Flight Plans no longer skip waypoints when paths have legs that double back on themselves.
Fixed: Fuel at Destination now shows destination when using external flight plan on some GPS navigators.
Fixed: AOA indicator still functions when flaps position exceeds the range of calibrated flap values.
Fixed: Issue that would sometimes cause autopilot servos to falsely indicate a slip event.
Fixed: Issues that prevented entering setup menus while reversionary mode is active.
Fixed: Issue that caused fuel at destination widget to show incorrect destination with some external GPS sources.
Fixed: Bug causing European 8.33 kHz radio frequencies to sometimes not load into SV-COM-PANEL hotkeys.
Fixed: Issue causing ADAHRS compare screen to sometimes fail to show redundant ADAHRS information.
Fixed: Issue causing Pitot Static Test screen to sometimes fail to show redundant ADAHRS information.
Fixed: Bug preventing use of USB video cameras on some HDX displays (hardware version 4).
Fixed: "Internal Disk Out of Space" message when trying to load .duc files.
Fixed: Issue that caused displays equipped with Hardware Version 4 to not start-up correctly.
Fixed: An issue where ADS-B could cause SkyView to freeze.
Fixed: Dual widgets for CAN-based instruments correctly saved in config file.
Fixed: A bug on twin CHTs that could cause erroneous readings.
16.4.6 8/24/2023 New: Autopilot Lost Motion adds an adjustable configuration item that lets the autopilot take up "slack" in the controls.
New: AGL Map Info Item.
Added: Yaw trim advice is now available.
Added: TRIM SWITCH STUCK caution alert when trim is depressed for 5 seconds continuously.
Added: Datalogging support for twin engine monitoring.
Added: Support for ARINC-429 labels 117 and 121
Improved: EMS FAIL and ADAHRS FAIL alerts are now warnings.
Improved: All alerts for B/U BATT now say BACK UP BATT.
Improved: HDG SRC FAIL message changed to HEADING SRC FAIL."
Improved: Twin engine fuel computer Time Remaining and Range calculations now reflect the critical engine/fuel system (the one that will first exhaust).
Improved: In twin engine configurations, left and right widgets, info items, and fuel computer are indicated with "L" and "R" for clarity.
Improved: Low BARO setting limits is now 23.00 in/Hg.
Improved: SV-GPS-2020 can be set to emit SIl and SDA of 0 for locales where emitting higher SIL/SDA is disallowed.
Improved: Datalogs that use a second EMS module to extend thermocouples now include all parameters for both EMS modules.
Improved: Altitude hold mode under autopilot improved.
Improved: Database No Longer Current alert now includes charts and plate databases if they are out of date.
Improved: Fuel Computer now has a split fuel mode for twin-engine configurations.
Improved: Map INFO page now closes if you select a new map item.
Changed: To turn off a single axis of autopilot in expert mode, a 2 second press/hold is now required. This reduces the opportunity to accidentally disengage one axis by pushing a mode button that is already engaged.
Changed: Fuel computer configuration items in AIRCRAFT INFORMATION setup menu reordered.
Changed: The following alerts have been upgraded to WARNING/red:
CHECK PITOT HEAT
CROSS CHECK ATTITUDE
Changed: The following MESSAGE alerts have been upgraded to CAUTION/yellow:
BATT TEST FAILED
SOFTWARE MISMATCH
EXT LEVEL BUTTON STUCK
Changed:
ADD POWER alert changes from red to amber.
MINIMUMS alert changes from yellow to white.
Changed: The following alerts have been updated to display as WARNING/red:
ASPD HIGH
ASPD LOW
G LIMIT
Changed: The following alerts have been elevated from CAUTION/yellow to WARNING/red:
SLIP TRIM NOSE UP/SLIP TRIM NOSE DN
ROLL SLIP
Changed: The following alerts have been elevated from MESSAGE/white to CAUTION/yellow:
TRIM NOSE UP/TRIM NOSE DN
TRIM ROLL LF/TRIM ROLL RT
Changed: The following alerts have been downgraded from CAUTION/yellow to MESSAGE/white:
ADS-B IN OFFLINE
COM RADIO PANL OFFLINE
COM XCEIVER OFFLINE
NO ADS-B OUT: GPS LOST
XPNDR ALT ENCODER FAIL
XPNDR FAIL
XPNDR HEX CODE NOT SET
Changed: HW version in setup menu is now displayed as an integer.
Changed: SkyView Magnetic Model updated for 2020.
Fixed: L/R fuel tanks on default 100% page now displayed in correct order.
Fixed: Improvement to aggressive autopilot roll behavior.
Fixed: Colors on approach plates - notably PocketFMS - are displayed correctly.
Fixed: Squelch setting restored for SV-COM-T8/T25 radio transceivers.
Fixed: A bug that caused touch icons or buttons to stop responding under some conditions.
Fixed: Database syncing via ethernet could cause SkyView to crash.
Fixed: A problem that could cause tach time to erroneously change when ignition sources used different pulse/revolution settings.
Fixed: ARINC label 102 outputs in correct units - feet.
Fixed: Audio alerts will no longer play over each other.
Fixed: Fuel computer keeps the correct values once ACCEPT is pressed.
Fixed: When Twin Engine widgets containing both left/right info have the same value, the right will be superimposed over the left for best visibility and commonality with traditional gauges.
Fixed: PocketFMS ILS frequencies are now visible on SkyView.
Fixed: Fuel Computer will now keep correct values once ACCEPT is pressed.
Fixed: A bug where swapping standy frequency on a primary radio would also swap on secondary radio.
Fixed: PocketFMS ILS frequencies are now visible on SkyView.
Fixed: A bug that caused non-ICAO PocketFMS plates to not show up in SkyView.
Fixed: A problem that caused an incorrect time to be displayed on SkyView.
Fixed: A rare issue that could cause errors for fuel, time, and distance calculations in flight plans.
Fixed: SkyView clock was 18 seconds "fast" compared to correct zulu time.
16.0.8 12/21/2021 New: Pilot Reports (PIREPS) now available via ADS-B FIS-B in.
New: Lightning reports now available via ADS-B FIS-B in.
Added: Support for minor changes to SkyView hardware. There is no change to customer performance or features.
Added: Support for Airmate aviation data.
Added: Alerts for maintenance log items that are due or have expired.
Added: Ability for pilots to enter a custom ADS-B Flight ID in Transponder Setup.
Added: ADS-B Out can be disabled in transponder setup.
Added: Additional ADS-B Out transponder configuration options for non-US locales such as New Zealand.
Added: Ability to stream datalogging information over wi-fi and ethernet via TCP or UDP. See SETUP MENU > SYSTEM SETUP > DATA LOG > NETWORK SERIAL DATA STREAM.
Added: Added: [requires SV-AP-TRIMAMP Trim Motor Adapter] Trim and autopilots auto-trim annunciations and warnings. If the trim motor is active without recent manual or auto-trim command, TRIM RUNAWAY audible and PFD overlay alerts are presented. If the trim motor doesn't respond to recent manual or auto-trim command, AP TRIM MALFUNCTION audible and system caution message are presented.
Added: Support for turbocharged Continental 360E engine in percent power and hp calculations.
Added: Autopilot auto-trim pulse duration is now configurable to tailor performance to aircraft and trim motors. Hardware Calibration > Trim Motor Calibration > Motor > Trim Motor Pulse Time.
Added: Display role can now be configured as EMS, which disallows suppression of EMS page on that display, on SkyView HDX
Added: Option to disable trim advice annunciation on the pitch axis under Autopilot Setup > Pitch Axis > TRIM ADVICE ANNUNCIATION. Most useful on aircraft with autotrim enabled.
Added: SkyView can now express Vne as TAS & IAS.
Improved: When Yaw Damper is engaged, SkyView aural alert is now "Yaw Damper" (previously wass"Autopilot")
Improved: SkyView now filters "ghosts" traffic targets that appear in immediate proximity to the aircraft to prevent false traffic advisories. These "ghosts" usually represent your own aircraft. They are most likely to occur in areas of marginal RADAR coverage.
Improved: Autopilot performance is smoother in level flight.
Improved: Visibility of traffic altitude as displayed on the map page.
Improved: Bearing 2 needle now light blue to improve clarity.
Improved: New Low/High Speed Sensitivity settings for Roll, Pitch, and Yaw autopilot servos to allow the autopilot to take into account airspeed to improve autopilot performance across flight regimes.
Improved: AP disconnect switch now turns off yaw damper in the case when only the yaw damper is active, in addition to when the roll and/or pitch modes are active.
Improved: Airport lighting interpretation improved when using pocketFMS aviation databases.
Improved: When equipped with the SV-ADSB-472, ADS-B Traffic now takes priority over TIS-A traffic in areas where both services are available.
Improved: Lycoming and Continental percent power calculations improved. Existing user settings will continue to use the legacy calculations unless they manually update their engine type. The legacy engine calculations are identified as "DEPRECATED" in the ENGINE TYPE in the setup menu.
Improved: Colors for NEXRAD radar precipitation have been changed to the following:
  • purple - no data
  • black - trace
  • dark green - light
  • bright green - moderate
  • yellow - heavy
  • orange - heavier
  • red - extreme
  • magenta - more extreme
Improved: AP performance onto glideslope improved, particularly for faster airplanes.
Improved: Autopilot ALT capture and roundout behavior when descent speeds are high.
Improved: Autopilot ALT capture behaviors improved in rare engagement sequences.
Improved: Autopilot capture of HDX/TRK bugs.
Improved: Autopilot altitude capture and roundout behavior improved when descent speeds are high.
Improved: SkyView now uses glide slope instead of VSI for vertical guidance to airports or runways.
Improved: Calculation that SkyView uses to determine magnetic variance has been updated.
Fixed: Clearing an AP TRIM MALFUNCTION warning on one display now clears it on all displays.
Fixed: Certain autopilot settings are preserved across software version upgrades to not force updated default values on already-tuned autopilot installations.
Fixed: Winds aloft on the Airport WX tab now correctly shows information above 3000 feet.
Fixed: Extremely rare audible trim alert that did not match the auto trim command.
Fixed: A bug that caused ARINC labels to occasionally not be received properly. Improves momentary HSI performance issues.
Fixed: SV-ARINC-429 inputs1 & 2 are now selectable for both ARINC modules if 2 are connected.
Fixed: Flight director visualizations now display properly in all PFD field of view modes in SkyView HDX.
Fixed: When autopilot is engaged in airspeed hold mode with an upcoming armed altitude target, transition timing from IAS to ALT mode improved to smoothly capture the target altitude.
Fixed: Weather options menu no longer cut off by the engine bottom band in SkyView HDX.
Fixed: NEXRAD on/off button now works correctly in SkyView HDX.
Fixed: Warnings will no longer cover the slip/skid ball in SkyView HDX.
Fixed: Bugs in the yaw damper display that occur when the yaw servo unexpectedly goes offline.
Fixed: Yaw Servo Offline alert is now a message to match other servo offline alerts.
Fixed: SkyView now works with USB memory sticks that would previously inhibit the display's ability to power on correctly.
Fixed: DISPLAY > DIM OFFSET is suppressed when brightness source setting is set to external.
Fixed: Digital airspeed window would appear red below Vne in six-pack display mode.
Fixed: When HDG>NAV sequencing was selected had not yet transitioned to NAV, autopilot was flying the bug as track, not heading.
Fixed: The Flight Director did not display the requested pitch angle correctly when the PFD was in Wide View mode, causing the flight director to appear hyperactive.
Fixed: Selecting a plate or airport diagram using touch controls would occasionally cause the list to exit instead of selecting the touched item.
Fixed: A bug that could cause autopilot yaw slips to affect roll axis behavior.
Fixed: Multiple instantiations of engine widgets now behave consistently when visible on both the bottom band and 50% simultaneously.
Fixed: The values reported in user datalogs and serial data streams were artificially capped for volts limit, percent power, manifold pressure, and position sensors.
Fixed: SV-ADAHRS-200/201 could improperly use its calibration tables in very unusual circumstances.
15.5.1 12/16/2020

Initial release for twin-engine STC approved SkyView HDX systems (Piper PA-34).

15.3.5 4/29/2019 Added: Up to four discrete landing gear contacts now supported. Requires updated engine sensor definitions.
Added: New EGT/CHT styles to support certification.
Improved: Autopilot heading and track hold modes improved to reduce overshooting the desired target direction.
Improved: Certification support: Autopilot now indicates NO ALT INTCP in expert mode when it will never intercept the altitude preselect when climbing or descending in IAS or VS mode.
15.3.4 9/13/2018

Initial release for STC approved SkyView HDX systems.


Updated Engine Sensor Definitions

This file updates the engine sensor calibrations used by the EMS, usually to accommodate new sensors options. This file will not change your sensor settings, red lines, alarms, layouts, or the pins chosen in the Sensor Input Mapping menu. This file must be loaded to each SkyView display individually.

Engine Sensor Definitions

Version: 89555
File Updated: 10/31/2024

Engine Sensor Changes
Version Date Released Changes
89555 10/31/2024

Added: Support for Kavlico 30 PSI (60 inHg) MAP sensor.

68996 12/21/2021

No Changes

68299 11/05/2020

No Changes

68298 5/14/2020

Added: Support for new Kavlico 15/50/150 PSI sensors.