Mini-AP EFIS

  • Full auto-pilot functionality; including lateral and vertical navigation coupling, coupling to the synthetic approach, climb and descent on airspeed or vertical speed, and more
  • HSI display of GPS and navigation radio data, allowing it to be a primary or backup navigation head for all Garmin navigation receivers
  • G430/530/650/750 interface capability via the optional ARINC 429 adapter
  • Includes full moving map with terrain colored to show its proximity to your altitude, flight planning, nearest airports, weather frequencies, and even allows you to tune your compatible radio.
  • Includes external magnetometer.

Includes AHRS/Air-Data
and wiring harness.


$2,100.00

As A Primary Flight Display

The Mini-AP includes an electronic attitude source (AHRS) that is not dependent on GPS and/or air data. IFR certifiable altitude, vertical speed, and airspeed are boldly shown with tapes and smoothly rotating drum-style digital displays that instinctively convey value and trend. Internal or external GPS navigation and steering data is provided on the PFD, and highway-in-the sky guidance to any runway in the database. The addition of the external magnetometer adds heading and winds.

The primary flight display screen terrain showing relative height. In the upper left the autopilot/flight director mode is shown as synthetic approach to runway 35. The flight director is commanding a slight pitch down in the center of the screen. The airspeed and altimeter drums move smoothly and the high-contrast digits make them highly readable. Extending up from the runway is the way-point balloon.

Optional Moving Map

The moving map has the features you would only expect to find in a full EFIS. It includes such features as terrain relief, relative terrain height color coding, nearest functions, airport details including frequencies and runways, and much more. When connected to an external GPS, its flight plan and steering information can be displayed on and drive the map.

Smooth Rotation Moving Map

Hand-held or panel mount GPS navigators update their display once per second. Some EFIS based moving maps do same. The result is a jerky and delayed map. The Mini-AP combines AHRS and GPS data to update its map at up to 15 times per second, resulting in a smoothly rotating map. Rolling out of a turn precisely on track becomes easy and the extended runway centerlines eliminate the guess work, making navigation easier and more precise.

HSI

With a full featured moving map, the Mini-AP extends its role by coupling to other navigation sources, such as navigation radios. The Mini-AP includes and OBS (radial) selector for VOR or LOC/ILS navigation. Lateral and vertical deviations are also displayed on the primary flight display.

Angle-of-Attack (AOA) Sensing/Stall Warning

Angle-of-attack sensing is available as an upgrade on the Mini-AP. Sensing is via a two-port 45 degree pitot tube, such as those commonly available from a variety of manufacturers, or using a probe fashioned by the builder. This method has no moving parts, and allows the use of heated pitot tubes that preserve the stall warning function even in the presence of icing.

The GRT Avionics AOA function drives on-screen AOA symbology that shows too fast/too slow/optimal approach speeds, as well as stall warning. In addition, an audio output is provided on the Mini-AP. This audio provides an approaching stall warning annunciation (a pulsating tone that varies with proximity to the stall warning angle) and a solid tone indicating stall is imminent.

Engine Monitoring

Practically identical to the engine monitoring provided by our larger EFIS systems, the Mini-AP engine monitoring provides 6 engine pages, percent power calculation, and GRT exclusives (such as the EGT and CHT time histories and engine efficiency via the specific fuel consumption display).

Probably the most popular of the engine monitoring screens is the EGT time history page. In addition to two user-programmable dials, fuel management, and basic engine data. This screen includes a 2-minute history of all EGTs. This GRT exclusive allows you to effortlessly distinguish between engine problems affecting one cylinder or the engine itself. It also makes it easy to see small changes in engine operation that might not otherwise be noticeable. Even better, this display provides reassurance that your engine is running normally, especially when flying over water or at night. If the EGTs are steady, so is the engine.

ADS-B

Real-time traffic and weather is now a practical reality, and it is fully supported by the Mini-AP. Unlike a tablet, the Mini-AP’s screen is always readable, remains fully controllable in turbulence, and doesn’t suffer from overheating problems.

NexRad Weather Radar

  • METAR data, and terminal area forecasts available on details page
  • Airports color-coded based on METAR data
  • TFR (Temporary Flight Restrictions) graphically and with text descriptions
  • Real-Time Traffic (requires ADS-B Out to assure traffic is provided to your airplane)

Control Radios and Flight Plans with Your Android Phone or Tablet…

Install an optional Bluetooth dongle and connect with your Android phone or tablet using our GRT REMOTE App for Android*. Fully control your connected radios, create & edit active flight plans, and view the flight instruments all on your Android tablet or phone–perfect for the backseat co-pilot. The radio tuning portion of the app offers so much information, you may not want to tune them without it!

Integrates With Other GRT Equipment

The Mini-AP adds automatic cross-checking of its attitude with any GRT EFIS screen. The GRT EFIS flight plan is displayed and may be edited on the Mini-AP. Baroset and dimming is shared. In short, it adds another screen to your GRT equipped panel with complete integration via the inter-display unit link.

Heads-Up Display Capable

A heads up display can now be part your your GRT Avionics equipped airplane for as little as $300. Our pursuit of heads up display technology has led to support for the Hudly automotive after-market heads up display. Graphics optimizations in the GRT remote app, combined with the impressive readability and value of the Hudly have resulted in the first practical heads up display for experimental and general aviation (certified) airplanes.

  • Aircraft mounted heads-up display
  • Sunlight Readable Color Symbology
  • Primary Flight Data
  • Flight Director and HSI Guidance
  • Lateral/Vertical Deviation for Approach
  • Stall warning and all other features of GRT Remote app

Documentation

Software

Beta Software

This section contains software in the development or testing stage for customers interested in testing new features before a final release. The software below may be incomplete or have unexpected behavior. Never use in instrument conditions or other situations where EFIS failure or unexpected behavior will affect safety of flight.

VersionRelease Date
No beta software available at this time.
Miscellaneous software
Software Description
AHRS Software The most current release of the AHRS software is included in the Display Unit update files. Most GRT EFIS users will never need to use this page. However, there are times when customers request AHRS-only updates or would like to try beta testing new AHRS software.
Checklist (Example) All versions of the GRT EFIS with a MAP page contain a checklist function (with recent software). The checklists must be created on a computer in plain text format and loaded into the EFIS as CHECKLIST.TXT. A text editor such as Notepad will work.
Demo File Decoder Load flight data into spreadsheet & plot GPS data on Google Earth. Courtesy of Carl Morgan.
Demo Flight HXr

Demo Flight HX

Demo Flight SX
Copy the files inside these ZIP files to your USB memory stick to play back some recorded approaches and weather on your EFIS.  *Note that any demo file can be played on any GRT EFIS, regardless of which model it was recorded on.
EIS Log Allows EIS recorded data to be decoded in spreadsheet form. Record on your EFIS memory stick or to a laptop and decode the file with this software. You can use this with services such as SavvyAnalysis.com or Emarit Ranu’s Excell based Flight Data Analysis Tool.
Version 11 3/09/2015
GRT Remote App The GRT Remote App offers many tools to ease pilot workload for flight planning, radio tuning and offers support for the Hudly Heads-Up-Display. It is also a unique and simple solution for back-seat flight instruments and controls for radios and flight planning.
Version 2.3.0 Updated 1/05/2017
Stratux ADS-B (Raspberry Pi 2) Image file for Raspberry Pi 2 that provides serial output. See Equipment Supplements for more information.
Stratux ADS-B (Raspberry Pi 3) Image file for Raspberry Pi 3 that provides serial output.
Trig TT22 Adapter Software Version 5 adds support for more types of compliant GPS data and supports sending air data for ADS-B air-ground switching by setting Squat Switch to AHRS and GPS data (requires display software update).
Version 5 released 7/6/2017

 

Navigation Database

Navigation DatabaseValid DatePosted Date
Free U.S. Navigation Database (all systems)9/10/209/8/2020
Note: The Nav database is on a 28-day cycle. New updates are posted when we receive them.

Software update instructions (all systems)

Optional or Non-U.S. Navigation Database (All Systems)
Jeppesen Avionics Database Subscription
Note: One Jeppesen data subscription can be shared among all GRT EFIS screens in the airplane. Database sharing is supported by EFIS software versions 2a (HXr), 6a (HX), 10 (SX), all Mini, all EX, and newer versions.
Approach Plates and Charts (Horizon 10.1, HXr and HX only)
Seattle Avionics Georeferenced IFR & VFR Chart Subscription
Free Non-Georeferenced FAA Approach Plates

Compatible Equipment

GRT Systems are Specifically Designed to Play Nice with Other Manufacturers’ Equipment

Every builder has his or her own taste when it comes to devices such as weather & traffic information, radios, transponders, and GPS units. We strive to give builders a choice when it comes to third-party equipment. This page is an overview of popular choices of our customers, with equipment supplements for some to help you install and use your product to its full potential with a GRT EFIS system. Check this page often for updates, as we are always adding to our equipment supplement library and third-party vendor list.

General list of Compatible Equipment

ADS-B In (traffic and weather)

  • Dual Electronics XGPS170D
  • Dual Electronics XGPS190
  • Flight Data Systems Pathfinder
  • Free Flight Systems XPLORER
  • iLevil Technologies iLevil AW
  • iLevil Technologies iLevil SW
  • Radenna SkyRadar-DX
  • Radenna SkyRadar-D2-v2
  • Stratux

ADS-B Out Only

  • Garmin GTX-330-ES
  • Trig TT21
  • Trig TT22
  • Trig TT31
  • uAvionix tailBeacon-X

ADS-B UAT (In and Out)

  • Free Flight Systems RANGR-FDL-978-XVR
  • uAvionix echoUAT

Audio Panel/Intercom

  • PS Engineering PAC15EX
  • PS Engineering PDA360XR
  • PS Engineering PRI30EX

Auto-pilot

  • GRT Auto-pilot Servos
  • Trio Auto-pilot (requires control head)
  • TruTrak Auto-pilot (requires control head)

Carbon Monoxide

  • CO Guardian

Comm/Nav Radios

Note: All GRT Avionics EFIS systems can push frequencies to com and nav radios, but only the Horizon 10.1 and HXr EFIS offer full remote control of com, nav radios and intercoms.

  • Any radio with RS-232 SL30 format
  • Garmin GTR225
  • Garmin SL30
  • Garmin SL40
  • Microair M760REM
  • Trig TY91
  • Val Avionics

GPS Receivers

  • GRT Avionics Safe-Fly 2020
  • All types with serial output

IFR Navigators

  • Avidyne IFD 440/540/550 Series
  • Garmin GNS430/530 Series
  • Garmin GPS175
  • Garmin GTN650/750 Series

Power Management

  • Vertical Power (All Models)

TIS Traffic

  • Garmin GTX330
  • Trig TT21
  • Trig TT22

Transponders

  • Garmin GTX-330-ES
  • Sandia STX165R
  • Trig TT21
  • Trig TT22
  • Trig TT31
  • uAvionix TailBeaconX

Weather (non ADS-B)

  • Insight Avionics Strike Finder
  • L3 Stormscope WX-500
  • XM Weather
 
 

Equipment Supplements

These “mini-manuals” explain how to install and set up popular devices and avionics that work with GRT EFIS systems. You can pick the ones you need, print them out, write notes all over them and store them with your aircraft’s electrical system diagrams. Check back often for new releases or email us for special requests. We often create new supplements based on customer requests and then post them here for everyone’s benefit.

Note: Only Horizon 10.1 and HXr EFIS systems are capable of full remote control of com radios, nav radios, and intercoms.

Equipment Supplement Revison Release Date
ADS-B Receiver Supplement (universal) A 3/17/2016
Avidyne IFD440/540 Series (Garmin GNS430 supplement, pin compatible) A2 6/10/2014
Avidyne IFD440/540 Series (Garmin GNS430 supplement, pin compatible) A3 7/09/2014
Flight Data Systems Pathfinder ADS-B Receiver A1 11/10/2014
Garmin GNS430/530 Series A2 6/10/2014
Garmin GTN650/750 Series A1 6/10/2014
Garmin GTX327 Transponder A 12/15/2014
Garmin GTX330 Transponder A1 10/23/2013
GRT External GPS Modules A 5/31/2013
Microair M760REM User Manual 1 3/10/2011
PS-Engineering PAC15EX Remote Audio Panel/Intercom for HXr A1 4/29/2014
PS Engineering PDA360XR Remote Audio Panel/Intercom  Manual   10/2016
PS Eng PRI30EX Remote Intercom Manual   6/2013
PS Eng PRI30EX Remote Intercom Supplement A 3/2016
Radenna SkyRadar D2 and DX ADS-B Receiver A2 7/09/2014
Stratux (Raspberry Pi – Based) ADS-B Receiver A1 3/16/2016
Trig TT21/TT22 Transponder A2 5/28/2014
Trig TY91 Remote Com Radio A 12/13/2013

Mini-AP Options

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