# Austro E4 series - Type: Engine model (FAA registry) - Registry code: 06400 - Manufacturer (registry): AUSTRO - Model: E4 SERIES - Engine type: Reciprocating - Horsepower: 168 - Data sheet: TCDS E00081EN - Installed in: 133 registered aircraft - Page: https://openairdocs.org/engine/austro-e4-series ## ADs that may apply - [AD 2025-02-12](https://openairdocs.org/ad/2025-02-12): Reciprocating Engine Cylinder Section; Reciprocating Engine Oil System · Austro Engine E4 and E4P. Effective Apr 1, 2025 - [AD 2024-19-10](https://openairdocs.org/ad/2024-19-10): Engine (Reciprocating) · Austro Engine E4 and E4P. Effective Oct 9, 2024 - [AD 2024-05-01](https://openairdocs.org/ad/2024-05-01): Reciprocating Engine Power Section · Austro Engine E4 and E4P. Effective Mar 11, 2024 - [AD 2022-03-03](https://openairdocs.org/ad/2022-03-03): Reciprocating Engine Power Section · Austro Engine E4 and E4P. Effective Feb 14, 2022 - [AD 2021-24-10](https://openairdocs.org/ad/2021-24-10): Reciprocating Engine Oil System · Austro Engine E4 and E4P. Effective Dec 27, 2021 - [AD 2021-17-01](https://openairdocs.org/ad/2021-17-01): Reciprocating Engine Oil System · Austro Engine E4 and E4P. Effective Aug 23, 2021 - [AD 2020-22-14](https://openairdocs.org/ad/2020-22-14): Reciprocating Engine Supercharger · Austro Engine E4 and E4P. Effective Dec 10, 2020 - [AD 2020-15-05](https://openairdocs.org/ad/2020-15-05): Reciprocating Engine Power Section · Austro Engine E4 and E4P. Effective Aug 31, 2020 - [AD 2020-14-07](https://openairdocs.org/ad/2020-14-07): Fuel Control/Reciprocating Engines and Reciprocating Engine Power Section · Austro Engine E4 and E4P. Effective Aug 25, 2020 - [AD 2014-08-10](https://openairdocs.org/ad/2014-08-10): Gate controllers · Austro Engine E4. Effective Jun 3, 2014 - [AD 2011-18-19](https://openairdocs.org/ad/2011-18-19): High-pressure (HP) fuel pumps · Austro Engine E4. Effective Oct 6, 2011 Historical (superseded or no longer in force): AD 2023-20-03, AD 2021-22-20, AD 2021-09-04, AD 2018-18-02, AD 2018-07-16, AD 2013-14-08, AD 2010-23-09 ## NTSB investigations (13, newest 10) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB CEN26LA166](https://openairdocs.org/ntsb/CEN26LA166), Apr 9, 2026: Diamond Aircraft Ind DA 42 NG (N311LH), Colorado Springs, CO, substantial damage. Probable cause: Maintenance personnel's installation of an oversized tire, which prevented the left main landing gear from extending resulting in a precautionary gear up landing. - [NTSB WPR24LA256](https://openairdocs.org/ntsb/WPR24LA256), Jul 26, 2024: Diamond Aircraft Ind DA 42 NG (N94NG), Oshkosh, WI, substantial damage. Probable cause: The pilot’s failure to maintain control during an approach to land, which resulted in a hard landing. - [NTSB ERA23LA285](https://openairdocs.org/ntsb/ERA23LA285), Jun 29, 2023: Diamond DA40 (N44HH), Yorktown Heights, NY, substantial damage. Probable cause: A fatigue failure of the turbocharger housing, which resulted in a partial loss of engine power. - [NTSB ERA23LA177](https://openairdocs.org/ntsb/ERA23LA177), Mar 31, 2023: Diamond Aircraft Ind DA 42 NG (N306ER), Leesburg, FL, substantial damage. Probable cause: The flight instructor’s delayed remedial action, which resulted in a hard landing. - [NTSB GAA22WA192](https://openairdocs.org/ntsb/GAA22WA192), May 25, 2022: Diamond Aircraft Ind DA 42 (N591ER), Ontario, Canada, substantial damage - [NTSB WPR22LA159](https://openairdocs.org/ntsb/WPR22LA159), Apr 19, 2022: Diamond Aircraft Ind DA 42 (N822SA), Long Beach, CA, substantial damage. Probable cause: The failure of the right main landing gear brace rib for reasons that could not be determined based on available information. - [NTSB ERA20CA143](https://openairdocs.org/ntsb/ERA20CA143), Apr 1, 2020: Diamond DA42 (N311ER), Palm Coast, FL, substantial damage. Probable cause: The pilot receiving instruction’s failure to maintain airplane control during a simulated engine failure landing and subsequent attempted go-around in gusting crosswind conditions and the flight… - [NTSB WPR20WA011](https://openairdocs.org/ntsb/WPR20WA011), Oct 15, 2019: Diamond DA42 (N181CW), Singapore, Singapore, incident, minor damage - [NTSB GAA19CA466](https://openairdocs.org/ntsb/GAA19CA466), Jul 10, 2019: Diamond DA 42 NG (N805PA), Palatka, FL, substantial damage. Probable cause: The pilot receiving instruction's failure to extend the landing gear and the flight instructor's failure to verify that the landing gear was extended due to distraction, which resulted in a gear-up… - [NTSB WPR18LA118](https://openairdocs.org/ntsb/WPR18LA118), Apr 4, 2018: Diamond Aircraft Ind DA 42 NG (N621ZC), Bozeman, MT, substantial damage. Probable cause: The student pilot and flight instructor's failure to see and avoid the stationary airplane during taxi, which resulted in a ground collision. All 13: https://openairdocs.org/engine/austro-e4-series/ntsb ## FAA accident and incident reports (37, newest 10) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20260825011039I](https://openairdocs.org/incident/20260825011039I), Aug 25, 2026: Diamond Aircraft Ind Gmbh DA 42 NG (N37TL), Georgetown, TX, Minor damage. During part 141 flight instruction, on August 25, 2026, at approximately 1153 CDT, a Diamond aircraft da 42 ng, registered as [privacy data omitted] reported a… - [Accident 20260409003429A](https://openairdocs.org/incident/20260409003429A), Apr 9, 2026: Diamond Aircraft Ind Gmbh DA 42 NG (N311LH), Colorado Spring, CO, Substantial damage. The aircraft had both the main landing gear tires and tubes removed and replaced. The removed tire part number was (D60-9032-17-2). The installed part number… - [Incident 20250308020579I](https://openairdocs.org/incident/20250308020579I), Mar 8, 2025: Diamond Aircraft Ind Gmbh DA 42 NG (N342ND), Wauchula, FL, Minor damage. On March 8,2025 a Diamond DA-42 departed sarasota international airport on a training flight with a commercial multiengine student and flight instructor. After… - [Incident 20240923014169I](https://openairdocs.org/incident/20240923014169I), Sep 23, 2024: Diamond Aircraft Ind Gmbh DA 42 NG (N25HS), Benson, AZ, Minor damage. The aircraft departed ktus as planned with no abnormalities. The crew mentioned that there was moderate turbulence while climbing to curise altitude. Upon… - [Accident 20240726011489A](https://openairdocs.org/incident/20240726011489A), Jul 26, 2024: Diamond Aircraft Ind Gmbh DA 42 NG (N94NG), Oshkosh, WI, Substantial damage. On July 26, 2014, at 1718 CST, a Diamond da 42NG twin star, [privacy data omitted], during a left banked descending turn sustained immediate substantial damage… - [Accident 20230629017899A](https://openairdocs.org/incident/20230629017899A), Jun 29, 2023: Diamond Aircraft Ind Inc DA 40 NG (N44HH), Mohegan Lake, NY, Substantial damage. 06/29/2023 1624Z DA40, declared an emergency due to a engine issue and crashed into a field near a school aproximately 15 km north of the airport . No injuries… - [Accident 20230331005089A](https://openairdocs.org/incident/20230331005089A), Mar 31, 2023: Diamond Aircraft Ind Gmbh DA 42 NG (N306ER), Leesburg, FL, Substantial damage. Instructor/pic: my student and I were on an instructional flight at Leesburg, FL airport (klee) on Friday March 31, 2023 at 1648 local time on N306ER, and were… - [Incident 20230303007899I](https://openairdocs.org/incident/20230303007899I), Mar 3, 2023: Diamond Aircraft Ind Gmbh DA 62 (N72EP), Camarillo, CA, Minor damage. A training flight was conducted on March 3rd, from long beach to Camarillo. After landing safely at Camarillo Airport’s runway 26, the aircraft failed to… - [Incident 20220419005609I](https://openairdocs.org/incident/20220419005609I), Apr 19, 2022: Diamond Aircraft Ind Inc DA 42 (N822SA), Longbeach, CA, Minor damage. On April 19, 2022, instructor,[privacy data omitted] was completing a multi-engine training flight, at klgb. Flying a Diamond twin star (da 42 ng; tail #… - [Incident 20211210020099I](https://openairdocs.org/incident/20211210020099I), Dec 10, 2021: Diamond Aircraft Ind Inc DA 42 (N457TS), Long Beach, CA, Minor damage. On December 10, 2021 at 8:25 PST, Diamond DA-42 N457TS, was on an instrument training flight being piloted by instrument student[privacy data omitted] and… All 37: https://openairdocs.org/engine/austro-e4-series/incidents ## Complete lists - aircraft: 133, https://openairdocs.org/engine/austro-e4-series/aircraft - ads: 18, https://openairdocs.org/engine/austro-e4-series/ads - incidents: 37, https://openairdocs.org/engine/austro-e4-series/incidents --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.