| 2021-22-03 | Nose/Tail Landing Gear Attach Section | Dec 21, 2021 | Airframe (DA 42 NG) |
| 2020-26-06 | Technify Motors GmbH (Type Certificate Previously Held by Thielert Aircraft Engines… | Dec 29, 2020 | Engine (TAE 125-02-99)Certain serial numbers: 02-02-02793; 02-02-11120; 02-02-11424; 02-02-11425; 02-02-11426; 02-02-11494; …. Only with: Turbocharger hose P/N TAE EPA 40-7520-H0131 01, manufactured by BOOST products GmbH with batch number 3101-001, installed. |
| 2017-19-15 | Reciprocating Engine Front Section | Oct 31, 2017 | Engine (TAE 125-02-99)Serial numbers per Figure 1 to paragraph (c) of this AD (gearbox S/Ns). Only with: Applies only to engines with a gearbox serial number listed in Figure 1 to paragraph (c); serials listed are gearbox S/Ns, not engine S/Ns. |
| 2016-22-06 | Autopilot | Nov 16, 2016 | Airframe (DA 42 NG)Certain serial numbers: DA 40 NG 40.N260–40.N314; DA 42 NG 42.N150–42.N223; DA 42 M-NG 42.MN035–42.MN052 |
| 2016-07-19 | Technify Motors GmbH Reciprocating Engines | May 9, 2016 | Engine (TAE 125-02-99)Only with: Fuel feed pump P/N 05-7312-K0073xx or P/N 05-7312-K0133xx (where xx can be any number) installed. |
| 2015-21-01 | Technify Motors GmbH Reciprocating Engines | Nov 27, 2015 | Engine (TAE 125-02-99)Only with: Engines with a dual mass flywheel installed. |
| 2015-02-01 | Technify Motors GmbH (Type Certificate Previously Held by Thielert Aircraft Engines… | Feb 13, 2015 | Engine (TAE 125-02-99)Serial numbers per TMG SB No. TM TAE 125-0021, Revision 2, or TAE SB No. TM TAE 125-1011 P1, Revision 2. Only with: Clutch assembly P/N 02-7210-11001R11, 02-7210-11001R11-AT, 02-7210-11001R13, 05-7211-K006001, or 05-7211-K006002 with S/N listed in the referenced SBs installed. |
| 2014-17-03 | Technify Motors GmbH Reciprocating Engines | Oct 2, 2014 | Engine (TAE 125-02-99)Only with: Engines with high-pressure (HP) fuel pump P/N 05-7312-K005301 or P/N 05-7312-K005302 installed. |
| 2014-04-04 | Electric Power | Apr 7, 2014 | Airframe (DA 42 NG)Only with: Except airplanes that have incorporated STC SA02725NY. |
| 2013-19-11 | Landing Gear | Oct 31, 2013 | Airframe (DA 42 NG) |
| 2013-07-01 | Landing Gear | May 20, 2013 | Airframe (DA 42 NG) |
| 2013-06-02 | Power Plant | Apr 8, 2013 | Airframe (DA 42 NG) |
| 2012-26-12 | Thielert Aircraft Engines GmbH Reciprocating Engines | Feb 13, 2013 | Engine (TAE 125-02-99) |
| 2012-26-13 | Thielert Aircraft Engines GmbH Reciprocating Engines | Feb 13, 2013 | Engine (TAE 125-02-99) |
| 2012-17-07 | Wings | Oct 11, 2012 | Airframe (DA 42 NG)Certain serial numbers: 42.006–42.008; 42.010; 42.012–42.014; 42.016–42.033; 42.035–42.043; 42.045; … |
| 2012-02-05 | Thielert Aircraft Engines GmbH Reciprocating Engines | Mar 2, 2012 | Engine (TAE 125-02-99)Only with: Engines with friction disk P/N 05-7211-K010201 installed. |
| 2011-10-13 | Diamond Aircraft Industries GmbH Models DA 42, DA 42 NG, and DA 42 M-NG Airplanes | Jun 17, 2011 | Airframe (DA 42 NG) |
| 2011-05-06 | Thielert Aircraft Engines GmbH Models TAE 125-02-99 and TAE 125-02-114 Reciprocating… | Mar 30, 2011 | Engine (TAE 125-02-99) |
| 2010-11-09 | Thielert Aircraft Engines GmbH (TAE) Models TAE 125-01 and TAE 125-02-99 Reciprocating… | Jul 13, 2010 | Engine (TAE 125-02-99)Only with: Engines designated with P/N 05-7200-K000301 or 02-7200-1401R1. |
| 2010-06-12 | Thielert Aircraft Engines GmbH (TAE) Models TAE 125-02-99 and TAE 125-01 Reciprocating… | Apr 20, 2010 | Engine (TAE 125-02-99) |
| 2008-22-23 | Thielert Aircraft Engines GmbH (TAE) Model TAE 125-02-99 Reciprocating Engines | Nov 4, 2008 | Engine (TAE 125-02-99)Only with: Engines with clutch P/N 05-7211-K000304 installed. |
| 2008-06-52 | Thielert Aircraft Engines GmbH (TAE) Model TAE 125-02-99 Engines | Apr 30, 2008 | Engine (TAE 125-02-99)Certain serial numbers: TAE 125-02-99 02-02-1500–02-02-2279 |