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Garmin

Garmin GTN 750 GPS/NAV/COM Navigator

Name: Garmin GTN 750 GPS/NAV/COM Navigator
Brand: Garmin
SKU: 010-00820-50
Price: 378445.65 CZK
Availability: InStock

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Garmin GTN 750 is a GPS/NAV/COM navigator with a 6.9-inch touchscreen, SBAS GPS (TSO-C146c) for LPV approaches, 8.33/25 kHz VHF COM and VOR/LOC/GS. P/N 010-00820-50 is new; unit 011-02282-00 is serviceable/overhauled or repaired.

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6.9" display600 × 708 px, sunlight-readable
10 W / 16 W COM16 W by enablement card
11–33 V DC2.4 A typ. at 14 V
3.38 kgunit only, 7.4 lb
−20 to +55 °Cto 55,000 ft altitude

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P/N010-00820-50

010-00820-50 011-02282-00

Condition

NewP/N 010-00820-50 Repair (RPO) Serviceable / Overhauled

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378.445,65 CZK incl. VAT

312.765,00 Kč excl. VAT

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Garmin GTN 750 GPS/NAV/COM Navigator

Garmin GTN 750 (unit P/N 011-02282-00, standard kit 010-00820-50) is a panel-mounted GPS/NAV/COM navigator with a 6.9-inch touchscreen in a 6.25 × 6.00 in bezel. It combines an SBAS GPS to TSO-C146c, a VHF COM with 8.33 and 25 kHz spacing, and VOR, localizer and glideslope receivers. Garmin's slide-in successor is the GTN 750Xi.

6.9-inch sunlight-readable touchscreen, 600 × 708 pixels, in a 6.25 × 6.00 in (159 × 152 mm) bezel.
SBAS GPS to TSO-C146c Class 3 with 15 channels (12 GPS, 3 GPS/SBAS) and a 5 Hz position update.
VHF COM 118.000–136.975 MHz at 25 kHz and to 136.992 MHz at 8.33 kHz; 10 W standard, 16 W optional by enablement card.
ARINC 429, RS-232, HSDB Ethernet and ARINC 453/708 interfaces; remote control of a GMA 35 audio panel and a transponder.
Supply 11 to 33 V DC; the main connector typically draws 2.4 A at 14 V and 1.2 A at 28 V.
Operating range −20 to +55 °C, altitude −1,500 to 55,000 ft; the TSO requirements are met without external cooling.

Touchscreen, map and databases

The touchscreen carries the moving map, flight plan, procedures and the COM, NAV, audio panel and transponder controls in one top bar. Garmin lists display of terrain and moving map, ChartView and FliteCharts, checklists, VNAV, flight plan information and search and rescue patterns among the system functions.

The installation manual names basemap, navigation, FliteCharts, ChartView, SafeTaxi, terrain and obstacle databases. ChartView is enabled with an enablement card.

Weather, traffic and terrain

The GTN 750 displays weather, traffic and terrain data from connected systems. Garmin lists ADS-B traffic, TIS/TAS/TCAS I traffic, passive lightning detection, SiriusXM and datalink weather and weather radar among them. With a GDL 88 connected, ADS-B traffic is displayed to TSO-C195a; ETSO-C195a is not achieved, so the installer decides whether the function suits a European installation.

TAWS-B terrain alerting is optional and uses enablement card 010-00878-01. Without the card the unit offers a terrain alerting subset that is not to TSO-C151c.

COM, VOR, localizer and glideslope

The COM transceiver has two microphone inputs and transmits at 10 W minimum, or 16 W minimum in 16 W mode. Garmin recommends a 25 percent duty cycle at 16 W, for example 5 seconds on and 15 seconds off. The 16 W mode is a software feature enabled by card; in 14 V aircraft it needs COM software v2.11 (006-B1061-05) or later.

The unit displays VOR, localizer and glideslope information and provides VHF CDI/VDI output. A stuck microphone is cut off after 30 seconds and the radio returns to receive.

Interfaces, power and cooling

Garmin lists ARINC 429 in and out, RS-232, HSDB (Ethernet) and ARINC 453/708 weather radar. Optional interfaces include audio panel, air data computer, autopilot, EFIS/EHSI, IRU/AHRS, DME, ADS-B traffic, FIS-B sources and Flight Stream. The GPS position output can feed ADS-B Out equipment; the installer ensures compatibility per AC 20-165B.

A fan in the backplate draws air through inlets in the bezel sides and bottom, which must stay clear. A unit mounted less than 12 inches from the compass requires a compass recalibration.

Part numbers and variants

Garmin lists three GTN 750 unit P/Ns: 011-02282-00 black, 011-02282-50 gray and 011-02282-A0 black and NVIS-B compatible. The unit-only kit is 010-00820-00; the standard kit 010-00820-50 adds mounting rack 115-01294-00, connector kit 011-02326-02, backplate assembly 011-02246-02, a configuration module kit and the product information kit.

010-00820-50 is supplied new as the standard kit; 011-02282-00 is available as a serviceable or overhauled unit or as a repair. The 16 W COM, TAWS-B and ChartView options each need a separate enablement card.

Approvals and installation path

The GPS is design approved to TSO-C146c Class 3 and the COM to ETSO-2C169a, the latter with 8.33 kHz carrier squelch set to 0. A TSO article needs its own installation approval in each aircraft.

GTN installation is not eligible as an EASA Standard Change because its functions exceed CS-SC052b. A certified aircraft needs an approved modification covering the type, such as an EASA STC, and a Certificate of Release to Service. For types not on Garmin's AML, EASA names a minor modification or an STC extension agreed with EASA. The US AML STC SA02019SE-D is not EASA approval.

Technical specifications

Part number	010-00820-50 / 011-02282-00	Weight	3.38 kg
Manufacturer	Garmin	TSO / ETSO	TSO-C146c (GPS) / ETSO-2C169a (COM)
Display	6.9" (600 × 708)	Interfaces	ARINC 429 / RS-232 / HSDB / ARINC 453/708
Approach capability	LPV	Mounting	6.25″ avionics stack
GPS receiver	Yes	STC	SA02019SE-D (FAA Part 23 AML)
VOR / ILS	Yes	Frequency range	118.000–136.992 MHz
Channel spacing	8.33 / 25 kHz	Current draw	2.4 A typ. / 3.4 A max (14 V); 1.2 A typ. / 1.8 A max (28 V)
COM output	10 W / 16 W	Operating temperature	−20…+55 °C
Supply voltage	11–33 V DC	Max operating altitude	55 000 ft
Dimensions	159 × 152 × 286 mm

Advanced Exchange ships a serviceable unit before the core is returned. Future Exchange begins after receipt and evaluation of the core and does not require a deposit. Repair retains the original serial number and starts with inspection and quotation.

Advanced Exchange

What happens: You receive a serviceable unit first. Your core goes back afterward.
Pay now: Full SV price plus core deposit.
Core: Return within 15 calendar days. Repairable (not BER) — deposit refunded. Missing or BER — deposit stays.
Time: Typically 2–3 weeks. Warranty 3 months. Released on EASA Form 1 or FAA 8130-3.

Future Exchange

What happens: You send the core first. After we confirm it is repairable, we ship the serviceable replacement.
Pay now: Net exchange price only. No deposit.
Core: Must be repairable (not BER). Same or superseded P/N, data plate on.
Time: Typically 3–4 weeks. Warranty 3 months. Released on EASA Form 1 or FAA 8130-3.

Repair

Serial: Yours stays. No swap unit — that is Exchange.
Shop: We inspect, quote, then repair. Accept the repair quote and the evaluation fee already paid is deducted. Decline or BER — unit returns as-is; evaluation fee stays.
Time: Typically 2–6 weeks after you approve the quote, parts depending. Warranty 3 months. Released on EASA Form 1 or FAA 8130-3.

Return the core in equivalent packaging, with removal data and a non-incident statement where you have them. Late, incomplete, or rejected-core terms are on the quote.

GTN 725/750 Pilot's Guide Pilot's guide · Rev. R · EN · 91.0 MB Open PDF

Manufacturer documents, provided for reference. Before installation or operation, make sure you have the current revision.

How does the GTN 750 differ from the GTN 725?

The GTN 725 is the GPS/SBAS unit without a radio. The GTN 750 includes all GTN 725 features and adds the VHF COM transceiver and the VOR, localizer and glideslope receivers. Both use the 6.25 × 6.00 in bezel and the same mounting rack, 115-01294-00.

What does the standard kit 010-00820-50 contain?

Garmin lists for the GTN 750 standard kit: mounting rack 115-01294-00, connector kit 011-02326-02, backplate assembly 011-02246-02 with the cooling fan, a configuration module kit (011-00979-03 for new installations) and product information kit K00-00488-00. Enablement cards are separate Garmin items. Fit depends on the aircraft type and the installed equipment; a repair quote needs the P/N and S/N.

Which options need an enablement card?

Three options are enabled by card: 16 W COM output, TAWS-B terrain alerting (card 010-00878-01) and ChartView. Without a card the COM transmits at 10 W and terrain alerting is the subset that is not to TSO-C151c.

Which units can the GTN 750 control or display?

It controls a remote GMA 35 audio panel over RS-232 and a remote transponder, and requests traffic data from a GTX Mode S transponder. A GDL 88 supplies ADS-B traffic, and a GDL 69 supplies SiriusXM data and audio. Optional interfaces also cover autopilot, EFIS, AHRS, DME and weather radar.

Is a radio licence required for the COM?

Garmin states that GTN 750 installations must comply with current transmitter licensing requirements. In the US the FCC rules decide whether an aircraft is exempt; outside the US the responsible telecommunication authority applies. The owner is responsible for obtaining the licence before using the transceiver.

Is there a newer version of the GTN 750?

Garmin introduced the GTN 750Xi in January 2020 and designed it as a direct slide-in upgrade to the previous-generation GTN 750. The GTN 750Xi is a separate product.

Is there a service bulletin for the GTN 750?

Garmin service bulletin 1559 (ASDN of 11 November 2015) covers GTN 650 and GTN 750 units at Mod Level 5 with listed serial numbers and concerns a VOR/LOC/GS fault. The compliance date was 31 October 2016. The serial number is needed to check a unit against the list.

What transponder and other components are needed to upgrade to a Garmin GNS 530W and make the aircraft ADS-B In/Out compliant?

The existing nav/com can be upgraded to a used GNS 530W or to the newer GTN 750.

If you already have a Garmin transponder, for example a GTX 330, the following applies:

Get the ES upgrade and interface it to the GNS 530W or GTN 750.
Allow for a few other minor installation considerations.
Have the shop complete the appropriate paperwork based on Garmin's AML STC.

Which Garmin transponders can the GTN 750 control, including remote-mount types?

Use the GTX series of transponders. They work with the GTN 750.

Can the Garmin GTN 750 (Experimental) control an SL70R transponder?

No. The GTN 750 Experimental cannot control an SL70R.

Is the Garmin GTN 750 compatible with the Garmin GTX 345R remote ADS-B In/Out transponder, and does it display ADS-B traffic?

The GTN 750 can interface with the GTX 345R. The GTN displays traffic and weather from ADS-B In.

Can the Garmin GTN 750 be connected to the Dynon SV-HDX1100?

Yes, this is possible. You need P/N 101406-000, the SkyView ARINC Adapter.

Can the Garmin GTN 750 be connected to the Garmin G3X, and how?

Yes, the GTN 750 can be connected to a Garmin G3X. A GAD 29 is required for the full interface.

The GAD 29 enables the G3X to use features such as GPS steering, WAAS LPV vertical approach guidance and more.

GPS navigation data is provided to the G3X system via one RS-232 input and one ARINC 429 input for each GTN/GNS unit.

The G3X system sends flight data and selected course information back to the GTN 750 via an ARINC 429 output. It uses an additional ARINC 429 input to receive VOR, localizer and glideslope deviation from the GTN.

The G3X Touch system can also remotely display and control the VHF COM radio. The radio can be controlled from the GTN 750 or from its own front panel, over the same RS-232 connection as navigation.

Do I have to purchase database updates for the GTR 225 if I also have a GTN 750?

Yes. The databases for the GTR 225 can be purchased directly from Garmin.

The GTN 750 databases are updated through Jeppesen.

Are all Garmin GTN 750 units WAAS enabled, or is a WAAS upgrade needed?

Yes, all GTN 750 models are equipped with WAAS.

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