General Aviation

Certified avionics products for general aviation – TQ KRT2 radio transceivers and KTX2 transponders.

Reliable standards and innovations for avionics

Even professionals in aircraft rely on our avionics solutions

TQ is a leading supplier of certified aircraft solutions for innovative and pioneering technologies in the aerospace industry – all produced in-house and Made in Germany. Within the scope of our approvals as ADOA design organisation and POA production organisation, we produce our KRT2 aircraft radios and our latest generation KTX2 transponders.


Unlimited freedom – with certified avionic electronic systems for your cockpit. Intuitive, robust, reliable, appreciated by glider and motor aerobatic pilots.


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Video Segelkunstflieger Simon Greis
TQ-Aviation Pilatus Ground

All our products have an exceptionally low weight, compact design and minimal power consumption. The appealing design of the electronic systems is simultaneously oriented towards intuitive operation and functionality. Each TQ avionics instrument is ETSO/TSO certified and comes with EASA Form 1.


We manufacture our avionics solutions at our headquarters in Seefeld, Germany. Our company has the following approvals:


  • EASA development company (EASA.AP445)
  • LBA manufacturing company (DE.21G.0041)
  • EN 9100


TQ-Aviation stands for high-quality maintenance and service.


KRT2 Radios


KTX2 Transponder


Portable Radios


Aviation Accessories


TQ-Aviation products


Aviation Radio KRT2-S

Aviation radio KRT2-S 57mm Ø


Aviation Radio KRT2-F

Aviation radio KRT2-F 160mm


Aviation Radio KRT2-P

Aviation radio KRT2-P Mini Portrait


Transponder KTX2-F

Mode-S Transponder KTX2-F 160mm Stack Format


Transponder KTX2-S.V2

Mode-S Transponder KTX2-S.V2 57mm Ø


Remote Control KRT2-RC

Remote control KRT2-RC 57mmØ


Mobile Radio Station TB1 RT

Large radio station complete with KRT2 and KTX2


Mobile Radio StationTB2 R

Large radio station with KRT2


Mobile Radio Station TB3 R

Small radio station with KRT2


Adapter Plate 160mm for KRT2-S

Simple integration of two 57 mm Ø standard devices in a 160...


NexNav 21.000 Kit

GPS Source with wiring to KTX2



GPS source NL-8339P incl. connection cable KBSX1



GPS source NL-3330 incl. connection cable KBSX1


Blind Cover for KRT2 S / KTX2 S

Cover plate for unused 57mm cut-outs in the adapter plate...


FSGF-01 Mounting Frame KRT2 to FSG40/50/60

Mounting frame for exchanging a FSG40/50/60 insert frame for...


Mating Connector ST

Mating connector with soldering aid ST


KBS1 Cable Set

KBS1 cable set open ends one-sided


KBS2 Double-Seater Cable Set

KBS2 Double-Seater Cable Set for aircrafts


KBS3 Double-Seater Cable Set (Gliding)

KBS3 Double-Seater Cable Set (Gliding)


Adapter Plug KRT2 Standard <> Becker 3201

Simple change of a Beckers 3201 to a KRT2-S. Recommendation...


Adapter Plug KRT2 Standard <> Becker 4201

For the simple exchange of a Beckers 4201 to a KRT2-S. This...


Adapter Plug KRT2 Standard <> Dittel FSG 71/FSG 2T

For the easy exchange of a Dittel FSG71/FSG 2T to a KRT2-S....


Adapter Plug KRT2 Standard<> Filser ATR 720 / Dittel FSG 40/50/60

For the easy change of a Filser ATR720 / Dittel FSG40/50/60...


Adapterstecker KRT2 Standard <> Funkwerk ATR 500/600

For the simple exchange of a Funkwerk ATR500/600 to a...


SM4 Electret Gooseneck Microphone

The Electret gooseneck microphone is optimally adapted to...


Transponder KTX2-Basic

Mode-S Transponder 57mm


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