Frequently Asked Questions

SkyView HDX System


Dynon Certified: Your Questions Answered


When will my aircraft make and model receive an STC? How do I get started?
Dynon intends to continuously expand the approved model list (AML) to a broad variety of aircraft. To help Dynon prioritize your aircraft, visit www.dynon.aero/certified and send us your information. We will let you know when we add your aircraft to the STC.
Will the Dynon autopilot be certified under the STC?
Yes, even the first airplanes with Dynon Certified products installed have Dynon Autopilots installed.
How much will Dynon Certified products cost? How much is the STC?
Dynon transformed experimental and light sport aircraft by bringing the first affordable, advanced avionics to market. We will do the same with Dynon Certified products. For pricing information, see www.dynon.aero/certified.
Is this an EAA STC? Do I get the STC from the EAA like with the EFIS-D10A?
No. This STC was developed directly by Dynon. The work we did with EAA in 2016 to certify D10/D100 series products was an important catalyst for this new effort. Dynon continues to partner with EAA on innovative approaches that allow affordable, safety enhancing technology to reach more GA aircraft. Unlike the EAA D10A/D100 STC, this SkyView STC is obtained from Dynon directly.
I see your panel examples include an EFIS-D10A. Do I need the EAA STC for that?
No. The entire system, including both SkyView HDX and the EFIS-D10A, are covered by a single new STC.
Is SkyView HDX for certified aircraft TSO’d? PMA’d?
The design and installation approval for SkyView HDX are both covered by the STC. There are no TSO approvals needed. Dynon Certified products will be produced under PMA.
I am not in the US. Can I install a Dynon EFIS in my type certificated aircraft?
The STC currently applies to aircraft governed by FAA regulations. We hope to have approval in other countries in the future.
When do you expect to start sales and installations?
We are currently working with FAA to finalize certification and obtain the STC. We expect to begin sales and installation later this year.
Are Dynon systems as good as other certified equipment?
Ironically, because of the wide range of LSA/experimental aircraft that Dynon products have been installed in, combined with the fact that most experimental installations are not performed by professionals, Dynon systems exceed certified products in many ways.
Will I be able to remove all of my old instruments? Or does SkyView HDX replace only some of them?
In many aircraft, yes, SkyView HDX replaces all your primary flight and engine instruments. You can finally say goodbye to that unreliable vacuum pump too.
Can SkyView HDX connect to my IFR GPS navigator?
Yes. SkyView HDX is compatible with popular navigators like the Avidyne IFD series and the GTN/GNS series.
How is the SV-ADSB-472 different from the SV-ADSB-470?
The SV-ADS-472 is a dual band ADS-B receiver (UAT/978 MHz & 1090 MHz), while the SV-ADSB-470 receives only on UAT/978 MHz. This allows the SV-ADSB-472 to see aircraft equipped with 1090ES ADS-B Out equipment when outside the range of an ADS-B ground station. The SV-ADSB-472 is a drop-in replacement for the SV-ADSB-470, with identical wiring. Note that the SV-ADSB-472 is smaller, has different mounting dimensions, and the connectors are located differently than they are on the SV-ADSB-470.
Can I fly coupled approaches?
Yes, when equipped with the Dynon autopilot and a 3rd party ILS receiver or IFR GPS with precision approach capability.
Can I fly SkyView HDX in IFR?
Yes, SkyView does not change the aircraft certification basis or operating limitations. All of the primary flight instruments, including attitude, are fully IFR capable. The GPS navigation features in SkyView are not approved for IFR, so you will still need a separate IFR GPS or other IFR source to feed navigation data to the SkyView display.
Can I install SkyView HDX in my type certificated aircraft myself?
No. STC installations ultimately require approval from an A&P with Inspection Authorization (IA), and will require an FAA form 337. Additionally, Dynon Certified products will be sold through approved installation partners.
Are all of the sensors in the screen/display?
The SkyView displays are the heart of the system, but many of the sensors and system components, such as the engine monitoring module, transponder, ADS-B and flight instrument sensors are in separate modules that are designed for easy installation.
Does this system make me 2020-compliant for ADS-B Out?
Yes, it can. One of the available SkyView HDX features is a 2020-compliant ADS-B Out Mode S Transponder and a compliant GPS position source.
Do I have to install the full system?
Dynon will have a variety of system configurations available to tailor an installation to your aircraft. This may include omitting some products that you choose to not install.
Can SkyView HDX connect to my current autopilot?
SkyView HDX has its own built-in autopilot capability that requires the installation of Dynon servos.
Can I purchase from the same dealers as your experimental products? Can I repurpose used products from an LSA or E-AB aircraft?
No. Dynon Certified SkyView HDX systems can only be purchased through an authorized Dynon Certified installer. Because the certified versions are PMA’d, they are not interchangeable with Experimental / LSA products.
Where can I see a demo of SkyView HDX?
Dynon goes to most major aviation fly-ins and events. See www.dynon.aero/events for the full schedule.

EFIS-D10A and EFIS-D100 STC Through the EAA


How am I able to put a Dynon EFIS-D10A or EFIS-D100 in my type certificated aircraft?
The EAA, FAA, and Dynon combined their expertise to enable the installation of commercially available avionics systems into certain type certificated GA aircraft. Based on the success of our proven product development process in the experimental market, the FAA is authorizing STC installation of a Dynon EFIS as an attitude indicator in small GA aircraft. The EAA — with Dynon’s help — developed the STC. Customers buy the Dynon EFIS from their Dynon dealer/installer and the STC from EAA. Like any STC, installations must be signed off by an A&P with Inspection Authorization (IA) and will require an FAA form 337.
What is the pricing and availability of the EFIS systems configured for these applications?
Because of the novel approach of the EAA’s STC, pilots of type-certificated aircraft will install the same commercial EFIS instrument that is available for experimental and light sport aircraft. Therefore, pricing is the same as well. The EAA STC specifies part number 102778-000, which is the super-set of acceptable components for installing a Dynon EFIS in eligible aircraft. Per the Instructions for Continued Airworthiness for the EAA STC, some of those components are required, while some are optional. As of August 2016, those are:
Required Components
• EFIS Unit. Either of:
(1) 100538-000: Dynon EFIS-D10A System, Retail (Includes EFIS-D10A, 100321-000; Mounting Accessories, 100351-000; Short 7/64 Hex Wrench,100556-000)
(2) 100534-001: EFIS-D100 with Super-Bright Screen, Instrument only, Retail (Includes Instrument,100488-001; 7/64 Hex Wrench, 100556-000)
• 100096-000: Dynon Internal Backup Battery for D10/D100 Series
• 102827-000: Dynon GPS-251 GPS Receiver/Antenna Module for D10/D100 Series

Optional Components
• 100323-000: Dynon EDC-D10A Remote Compass
• 100433-001: Dynon OAT Probe for D10/D100 Series (requires EDC-D10A)
• 100141-000: Dynon AOA/Pitot Probe, Unheated
• 102832-000: Dynon Simplified Wiring Harness for D10/D100 Series w/ GPS-251 support
• 100422-000: D100 Series Mounting Tray (although technically “optional” for the STC, The D100 requires this mounting tray for all practical purposes.)
• 100024-000: D10 Series Flush Mount Bracket
• 102813-000: AOA/Pitot Mount Bracket
What is the pricing of the STC?
The STC costs $100, and is available from EAA.
Who is Dynon?
Dynon Avionics is the leading producer of avionics for Experimental and Light Sport Aircraft, with over 15,000 aircraft equipped all over the world. The EAA chose Dynon for this STC because of its proven success in the market. Dynon’s product line spans from the D2 portable attitude indicator to its fully-integrated SkyView system. The EFIS-D10A was one of the first products Dynon released, with thousands installed and flown since 2004.
Why do I buy the STC from EAA and not Dynon?
The EAA’s relationship with the FAA was key to this program’s success. The EAA, with Dynon’s help, developed this novel STC approach. Dynon is the launch partner for this STC process.
What aircraft are approved under this STC?
As of January 2017, the the expanded EAA STC Approved Model List allows for installation in Beechcraft Bonanza, Debonair, Musketeer, Sundowner Sierra, and Skipper models; Mooney M20; Maule M-4/5/6/7/8; Grumman AA-1/AA-5; Cessna 150. 152, 170, 172, 175, 177, 180, 182, 185, 205, 206, 210; Piper PA-24, PA-28, PA-32, and PA-38. Check the AML for your aircraft.
Is the EFIS-D10A / EFIS-D100 TSO’d? Does Dynon have PMA?
No. This STC demonstrates that Dynon commercial products are suitable for use in type certificated aircraft. Neither TSO nor PMA are required to allow the EFIS-D10A to be installed in aircraft covered by the STC.
What is the pedigree of the Dynon EFIS products?
EAA and Dynon successfully demonstrated that Dynon’s commercially-proven manufacturing and development process yields a product that is suitable for use in type certificated aircraft. The Dynon EFIS-D10A and EFIS-D100 are also verified against the recently developed ASTM 3153-15, Standard Specification for Verification of Avionics Systems, which Dynon Avionics was instrumental in creating.
Will the Dynon EFIS fit in my panel?
  • The 7” EFIS-D100 is 6.95” wide x 4.90” tall x 4.51” deep.
  • The 4” EFIS-D10A is 4.09” wide x 3.39” tall x 6.85” deep (standard hole mount) OR 7.64” deep (optional flush mount)
What does installation entail?
The STC allows the EFIS-D10A or EFIS-D100 to replace your primary attitude indicator, or it can be added as a backup/secondary. The EFIS-D10A requires power, pitot, static, Dynon’s GPS-251 Receiver/Antenna, an internal backup battery, and optionally Dynon’s AOA probe, remote magnetometer, and OAT.
Will the EFIS-D10A or EFIS-D100 fit in my panel?
In a Cessna 172, the EFIS-D10A occupies a slightly larger area than the space available when a conventional attitude indicator is removed. This requires a new subpanel with slightly different spacing.
How much does it cost to install?
Initially, this will depend on the installer’s rates and experience. The EFIS-D10A was originally designed to be installed by aircraft homebuilders with minimal experience, so professional installers will be impressed by how easy it goes in. The aircraft that EAA used for FAA acceptance tests was converted to the STC configuration, test flown, AND converted back to its original form all in just days. Some aircraft will need to have existing instrument spacing modified. This will require a new panel.
Can I install it myself?
STC installations ultimately require approval from an A&P with Inspection Authorization (IA), and will require an FAA form 337. Aircraft owners who work on their aircraft under the supervision and approval of an appropriately rated mechanic could apply this STC to their aircraft in that manner.
Can the EFIS-D10A / EFIS-D100 be installed as a backup?
The Dynon EFIS-D10A or EFIS-D100 may be used either as primary instrumentation or as a backup. This can allow pilots of aircraft where a specific primary attitude indicator is needed for other systems - such as autopilot - to still install a Dynon EFIS as a backup.
When will the EFIS-D10A, EFIS-D100, and associated STC be available?
The STC is available now from EAA. Eligible Dynon products are currently available from Dynon and its dealers.
Do the EFIS systems that can be installed in a type certificated aircraft have the exact features as the EFISes available for the experimental market?
They are the same product and have the same capabilities. However, there are some features that are not currently approved for use in type certificated aircraft. One of these is autopilot.
How does the installation affect the Weight & Balance of my aircraft?
Typically, installing an EFIS-D10A changes the aircraft weight by less than 1 lb.
The Dynon EFIS will not fit in my panel. What can I do?
You must maintain the “six-pack” orientation of your existing primary flight instruments. In other words, you can not rearrange them. You may, however, use a new panel to change the spacing to accommodate the EFIS.
Installing the magnetometer or OAT will be hard in my aircraft. Do I need to install them?
You can choose to not install the magnetometer and/or OAT (the OAT connects through the magnetometer). In these installations, the EFIS-D10A will not be able to display magnetic heading, OAT, or winds. Note that your aircraft’s existing magnetic compass must remain in the aircraft regardless.
This EFIS has a lot of capability. All I want is an attitude indicator.
All of the other functions that the EFIS-D10A can provide are supplemental in nature. Strictly speaking, the EFIS-D10A is a replacement for your attitude indicator. All other capabilities, such as airspeed and altitude, can be suppressed. All of your other primary flight instruments are required to remain in your aircraft.
There is a GPS receiver/antenna for the EFIS, but there are no mapping functions in the product. What is the GPS for?
The EFIS-D10A’s attitude algorithm is normally aided by pitot-based airspeed information. If the EFIS-D10A’s airspeed source gets blocked, the EFIS will automatically use GPS ground speed to continue to display accurate attitude. The GPS antenna must be connected in an STC’d installation.
Is there a gyro inside the EFIS?
There are no moving parts or a conventional “gyro” in the EFIS-D10A or EFIS-D100. The attitude-sensing platform uses modern MEMS rate sensors and accelerometers.
Will the EFIS be damaged by aerobatics or unusual maneuvers?
No. The sensor platform inside of Dynon avionics is able to align only seconds after power up on the ground, and within 15-30 seconds in the air. Most aircraft cannot exceed the EFIS’s rate limits of 150 degrees per second of attitude change. If you do, the EFIS will automatically go into a self-recovery mode and re-align after a short period of straight and level flight — typically within 15-30 seconds.
I’m not in the US. Can I install a Dynon EFIS in my type certificated aircraft?
The FAA STC currently applies to aircraft governed by FAA regulations.
Can I add a Dynon EFIS to an aircraft that was not originally shipped with -- or does not have -- an attitude indicator?
The STC does not specifically cover this scenario, but it was not intended to preclude it. Check with your IA to see if they can approve such an installation.
Can I add an additional EFIS-D10A to replace my DG/HSI?
No. Right now the STC only allows the EFIS-D10A to be used as an attitude indicator. However, you can add a second attitude indicator elsewhere in the panel if you’d like. The STC does not restrict the number of attitude indicators installed in your aircraft. If your aircraft does not require a DG, you may be able to remove it and your vacuum pump after you install a Dynon EFIS under EAA STC.
Can I remove my DG / Vacuum Pump?
If that equipment is required for IFR flight and/or is part of the type certificate, generally not. However, if an installed directional gyro is not required equipment per your aircraft’s type certificate, it can be removed (whether or not you are installing a Dynon EFIS). After you remove your DG and install a Dynon EFIS under this STC, your vacuum system may not be connected to any instruments. If this is the case, it can be removed too.

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