EASA Part 21 Subpart J
Design Organisation

Take benefit from the synergy, expertise and services offered by Air Alliance GmbH as one single source for upgrading your aircraft and for obtaining EASA approval for the design changes.

Air Alliance GmbH holds a valid Design Organisation Approval (DOA.21J.236) in compliance with Commission Regulation (EU) No 748/2012 Annex I (EASA Part 21), which permits Air Alliance GmbH to perform design activities, to apply for Supplemental Type Certificates (STC) at EASA and to approve Minor Design Changes under the privilege of 21.A.263 (c).

The terms of approval focus on avionics and aircraft interior design changes for the following aircraft categories:

  • (Powered) Sailplanes
  • Very Light Aeroplanes/Light Sport Aeroplanes
  • Small Aeroplanes
  • Large Aeroplanes

Downloads

Approval Certificate EASA.21J.236

Terms of Approval EASA.21J.236

Design Change Approvals

The design change approvals listed below are only a small selection of the already approved design changes developed by Air Alliance GmbH Design Organisation. Do not hesitate to contact us for a quote.

In case, that the design change you are searching for is not included within the list below, our experienced and competent engineering team will closely work together with you to find the most convenient solution tailored to your aircraft.

Contact: part21j@air-alliance.de

TCDS Type Certificate Holder Models Design Change Description EASA Approval
A24CE TEXTRON AVIATION INC. B300, B300C Installation of Honeywell Mark VI EGPWS system STC EASA.A.S.03851
A8EA PIPER AIRCRAFT, INC. PA-31T Pressurised Fuselage Aerial Camera Modification STC EASA.A.S.03753
EASA.IM.A.226 TEXTRON AVIATION INC. 208B Installation of MidContinent MD93 series Clock/USB Charger Minor Design Change
EASA.IM.A.226 TEXTRON AVIATION INC. 208B Conversion of Airplane for Parachute Operations STC EASA.A.S.03081
EASA.R.008 AIRBUS HELICOPTERS AS350 Installation of GARMIN GMA 340(H) Minor Design Change
EASA.R.508 AIRBUS HELICOPTERS EC120B Installation of TA102 Series USB charger Minor Design Change
US A10CE LEARJET INC. 31, 35, 35A Installation of Universal Cockpit Voice Recorder CVR-120A Minor Design Change
US A10CE LEARJET INC. 35,35A, 55 Installation of Universal Cockpit Voice Recorder CVR-120 Minor Design Change
US A10CE LEARJET INC. 35, 35A Installation of GARMIN GA36 Antenna EASA STC 10070589
US A10CE LEARJET INC. 31, 31A, 35, 35A, 36, 36A, 55, 55B Installation of Dual GARMIN GTX 3000 Mode S Transponder (ADS-B out) connected to existing Honeywell or Rockwell Collins TCAS EASA STC 10070588
US A10CE LEARJET INC. 35, 35A Installation of SA4550 EADI Electronic Attitude Display Indicators EASA STC 10070044
US A10CE LEARJET INC. 35, 35A Installation of TA102 USB charging ports within cockpit Minor Design Change
US A10CE LEARJET INC. 35, 35A Installation of ARTEX ELT C406-N Minor Design Change
US A10CE LEARJET INC. 35, 35A Installation of ARTEX ELT C406-2 Minor Design Change
US A10CE LEARJET INC. 35, 35A Installation of GARMIN GWX75 Weather Radar Minor Design Change
US A10CE LEARJET INC. 35, 35A Installation of Rockwell Collins AHS-1000 Attitude Heading Reference System EASA STC 10051962
FAA STC ST03843NY
US A10CE LEARJET INC. 35, 35A with GARMIN GTS8000 TCAS II v7.1 EASA STC 10051958
US A10CE LEARJET INC. 35, 35A Installation of Dual GARMIN GTN 750 in conjunction with Dual SANDEL SN4500 Electronic Horizontal Situation Indicator EASA STC 10051957
US A10CE LEARJET INC. 35, 35A Installation of GARMIN GSR 56 SATCOM Minor Design Change
US A10CE LEARJET INC. 35, 35A Installation of Iridium SATCOM Antenna EASA STC 10053886
US A10CE LEARJET INC. 35, 35A Installation of Honeywell Mark VIII EGPWS system EASA STC 10062691
US A10CE LEARJET INC. 35, 35A Dual Installation of SANDEL SN4500 EHSI Electronic Horizontal Situation Indicator EASA STC 10062027
US A10CE LEARJET INC. 35, 35A Installation of L3 F1000 Flight Data Recorder (FDR) EASA STC 10062690
US A1CE BEECHCRAFT CORPORATION C23 Installation of GARMIN GMA 340 Minor Design Change
US A1CE BEECHCRAFT CORPORATION C23 Installation of GARMIN GNS 530 (VFR ONLY) Minor Design Change
US H3WE MD HELICOPTERS INC. 369E Installation of Kannad ELT 406AF Compact Minor Design Change
US H3WE MD HELICOPTERS INC. 369E Installation of Bendix King KY 196B VHF COM Minor Design Change
US H3WE MD HELICOPTERS INC. 369E Installation of GARMIN GTX328 Transponder Minor Design Change
US H3WE MD HELICOPTERS INC. 369E Installation of GARMIN GMA340(H) Minor Design Change