Austro Engine E4 series
133 aircraft on the U.S. register carry an Austro Engine E4 series engine, rated at about 168 horsepower. The Diamond Aircraft DA 42 Twin Star is the model most often fitted with it (119 aircraft). The aircraft carrying it were built between 2005 and 2026.
The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Austro Engine E4 series. FAA spelling: E4 SERIES.
Fitted to model families
Diamond Aircraft DA 42 Twin Star119Diamond Aircraft DA 40 Diamond Star5Diamond Aircraft DA 625Alexander Schleicher ASH 312Diamond Aircraft DA 52X11Stearman Aircraft C21
Diamond Aircraft DA 42 Twin Star · Diamond Aircraft DA 40 Diamond Star · Diamond Aircraft DA 62 · Alexander Schleicher ASH 31 · Diamond Aircraft DA 52X1 · Stearman Aircraft C2
Where they are owner's state
Florida30California11Arizona9Texas8New York8Indiana8North Carolina7Colorado5Virginia4Oklahoma4
Kind of aircraft
Piston twins125 (94%)Piston singles6 (5%)Gliders2 (2%)
When the aircraft were built by decade
Connections how this engine series links to the rest of the register
Fitted to
- Diamond Aircraft DA 42 Twin Star 119 with this engine series
- Diamond Aircraft DA 40 Diamond Star 5 with this engine series
- Diamond Aircraft DA 62 5 with this engine series
- Alexander Schleicher ASH 31 2 with this engine series
Where they are
- Florida 30 of these aircraft
- California 11 of these aircraft
- Arizona 9 of these aircraft
- Texas 8 of these aircraft
- New York 8 of these aircraft
Biggest operators
- Embry-Riddle Aeronautical University INC 13 of these aircraft
- Embry Riddle Aeronautical University INC 6 of these aircraft
- Westwind School Of Aeronautics Phoenix LLC DBA 5 of these aircraft
- Lift Aircraft LLC 5 of these aircraft
- Skywarrior Flight Training LLC 4 of these aircraft
Analytics
These connections as data: /graph/engine/austro-engine-e4-series.json · about the eFlight graph.
Aircraft newest certificates first · 133
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N227SK | Diamond Aircraft DA 42 NG |
Electric airplane | Alf Ix LLC Chicago, Illinois |
Standard | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N212SA | Diamond Aircraft DA 42 NG |
Electric airplane | Diamond Aircraft Sales U S A INC London Ontario, |
Standard | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N61EP | Diamond Aircraft DA 42 NG |
Electric airplane | Wingsleasing LLC Wichita, Kansas |
Standard | 2026-06-30 | ValidFAA registration status code V: Valid registration. All codes |
| N695ER | Diamond Aircraft DA 42 NG |
Electric airplane | Diamond Aircraft Sales U S A INC London Ontario, |
Standard | 2026-06-29 | ValidFAA registration status code V: Valid registration. All codes |
| N689ER | Diamond Aircraft DA 42 NG |
Electric airplane | Diamond Aircraft Sales USA INC London Ontario, |
Standard | 2026-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N712MM | Diamond Aircraft DA 42 |
Electric airplane | Buzzfamilyair LLC Spring, Texas |
Standard | 2026-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N823BR | Diamond Aircraft DA 42 NG |
Electric airplane | Eva Flight Training Academy Mather, California |
Standard | 2026-04-07 | ValidFAA registration status code V: Valid registration. All codes |
| N27SJ | Diamond Aircraft DA 42 |
Electric airplane | 0X1B LLC Brooklyn, New York |
Standard | 2026-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N421MQ | Diamond Aircraft DA 42 NG |
Electric airplane | Take Flight Aviation LLC Montgomery, New York |
Standard | 2026-03-10 | ValidFAA registration status code V: Valid registration. All codes |
| N32GH | Diamond Aircraft DA 62 |
Electric airplane | 1 Diamond 62 LLC Santa Fe, New Mexico |
Standard | 2026-02-18 | ValidFAA registration status code V: Valid registration. All codes |
| N265PS | Diamond Aircraft DA 42 NG |
Electric airplane | Myflight Five LLC Lake Mary, Florida |
Standard | 2026-02-14 | ValidFAA registration status code V: Valid registration. All codes |
| N42NG | Diamond Aircraft DA 42 NG |
Electric airplane | Standard | 2026-02-10 | ValidFAA registration status code V: Valid registration. All codes | |
| N1836T | Diamond Aircraft DA 42 NG |
Electric airplane | Andromeda Air LLC Houston, Texas |
Standard | 2026-01-26 | ValidFAA registration status code V: Valid registration. All codes |
| N296SK | Diamond Aircraft DA 42 NG |
Electric airplane | Alf Ix LLC Chicago, Illinois |
Standard | 2026-01-23 | ValidFAA registration status code V: Valid registration. All codes |
| N399SK | Diamond Aircraft DA 42 NG |
Electric airplane | Alf Ix LLC Chicago, Illinois |
Standard | 2026-01-23 | ValidFAA registration status code V: Valid registration. All codes |
| N516LA | Diamond Aircraft DA 42 NG |
Electric airplane | Individual owner California |
Standard | 2025-12-17 | ValidFAA registration status code V: Valid registration. All codes |
| N181CW | Diamond Aircraft DA 42 NG |
Electric airplane | Diamond 42 N123 Magic Carpet INC Trustee Wilmington, Delaware |
Standard | 2025-12-16 | ValidFAA registration status code V: Valid registration. All codes |
| N108NG | Diamond Aircraft DA 42 NG |
Electric airplane | Rockhill Aerospace INC Molino, Florida |
Standard | 2025-12-05 | ValidFAA registration status code V: Valid registration. All codes |
| N833ME | Diamond Aircraft DA 62 |
Electric airplane | Mc Northern Services INC Inlet Beach, Florida |
Standard | 2025-12-03 | ValidFAA registration status code V: Valid registration. All codes |
| N822BR | Diamond Aircraft DA 42 NG |
Electric airplane | Eva Flight Training Academy Mather, California |
Standard | 2025-11-25 | ValidFAA registration status code V: Valid registration. All codes |
| N844RH | Diamond Aircraft DA 42 NG |
Electric airplane | Peregrine Howard Aeroflight Owner LLC New Orleans, Louisiana |
Standard | 2025-11-20 | ValidFAA registration status code V: Valid registration. All codes |
| N42KH | Diamond Aircraft DA 42 NG |
Electric airplane | Peregrine Howard Aeroflight Owner LLC New Orleans, Louisiana |
Standard | 2025-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N311LH | Diamond Aircraft DA 42 NG |
Electric airplane | Wingsleasing LLC Wichita, Kansas |
Standard | 2025-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N37TL | Diamond Aircraft DA 42 NG |
Electric airplane | Peregrine Howard Aeroflight Owner LLC New Orleans, Louisiana |
Standard | 2025-10-19 | ValidFAA registration status code V: Valid registration. All codes |
| N315XA | Diamond Aircraft DA 42 NG |
Electric airplane | Jetnexa Thirteen LLC Gilbert, Arizona |
Standard | 2025-10-17 | ValidFAA registration status code V: Valid registration. All codes |
| N443J | Diamond Aircraft DA 42 NG |
Electric airplane | Contrail INC Bethlehem, Pennsylvania |
Standard | 2025-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N730PC | Diamond Aircraft DA 42 NG |
Electric airplane | Ds Altitude Alliance LLC Eastpoint, Florida |
Standard | 2025-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N995DA | Diamond Aircraft DA 40 NG |
Electric airplane | Aero Delta Alpha 995 LLC Weddington, North Carolina |
Standard | 2025-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N1926E | Diamond Aircraft DA 42 NG |
Electric airplane | Embry Riddle Aeronautical Univ INC Prescott, Arizona |
Standard | 2025-08-07 | ValidFAA registration status code V: Valid registration. All codes |
| N234LM | Diamond Aircraft DA 42 NG |
Electric airplane | Standard | 2025-06-04 | ValidFAA registration status code V: Valid registration. All codes | |
| N304SW | Diamond Aircraft DA 42 NG |
Electric airplane | Skywarrior Flight Training LLC Pensacola, Florida |
Standard | 2025-05-15 | ValidFAA registration status code V: Valid registration. All codes |
| N859LF | Diamond Aircraft DA 42 NG |
Electric airplane | Lunken Flight Training Center LLC Cincinnati, Ohio |
Standard | 2025-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N43AS | Diamond Aircraft DA 42 NG |
Electric airplane | Skyline Aviation INC San Angelo, Texas |
Standard | 2025-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N112NG | Diamond Aircraft DA 42 NG |
Electric airplane | Western United Aviation LLC Yacolt, Washington |
Standard | 2025-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N319ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry-Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2025-03-26 | ValidFAA registration status code V: Valid registration. All codes |
| N729PA | Diamond Aircraft DA 42 NG |
Electric airplane | K2 Aviation LLC Greenwood Village, Colorado |
Standard | 2025-03-24 | ValidFAA registration status code V: Valid registration. All codes |
| N805PA | Diamond Aircraft DA 42 NG |
Electric airplane | K2 Aviation LLC Greenwood Village, Colorado |
Standard | 2025-03-24 | ValidFAA registration status code V: Valid registration. All codes |
| N302ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2025-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N320ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry-Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2025-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N322ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2025-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N323ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry-Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2025-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N324ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2025-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N327ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2025-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N328ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry-Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2025-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N694ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry Riddle Aeronautical University INC Prescott, Arizona |
Standard | 2025-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N303SW | Diamond Aircraft DA 42 NG |
Electric airplane | Skywarrior Flight Training LLC Pensacola, Florida |
Standard | 2025-03-13 | ValidFAA registration status code V: Valid registration. All codes |
| N101SW | Diamond Aircraft DA 42 NG |
Electric airplane | Skywarrior Flight Training LLC Pensacola, Florida |
Standard | 2025-03-11 | ValidFAA registration status code V: Valid registration. All codes |
| N574PA | Diamond Aircraft DA 42 NG |
Electric airplane | Dalero LLC Lovettsville, Virginia |
Standard | 2025-03-11 | ValidFAA registration status code V: Valid registration. All codes |
| N347DR | Diamond Aircraft DA 62 |
Electric airplane | November Charlie Leasing LLC Cumming, Georgia |
Standard | 2025-03-01 | ValidFAA registration status code V: Valid registration. All codes |
| N424AM | Diamond Aircraft DA 42 |
Electric airplane | Skywarrior Flight Training LLC Pensacola, Florida |
Standard | 2025-03-01 | ValidFAA registration status code V: Valid registration. All codes |
| N390L | Diamond Aircraft DA 42 NG |
Electric airplane | Lift Aircraft LLC Carmel, Indiana |
Standard | 2025-02-18 | ValidFAA registration status code V: Valid registration. All codes |
| N388L | Diamond Aircraft DA 42 NG |
Electric airplane | Lynx Connection LLC Indianapolis, Indiana |
Standard | 2025-01-15 | ValidFAA registration status code V: Valid registration. All codes |
| N42MV | Diamond Aircraft DA 42 NG |
Electric airplane | Vonaviation Group Vi N42Mv LLC Lewes, Delaware |
Standard | 2025-01-06 | ValidFAA registration status code V: Valid registration. All codes |
| N442SR | Diamond Aircraft DA 42 |
Electric airplane | Erdman Aviation LLC Mather, California |
Standard | 2025-01-02 | ValidFAA registration status code V: Valid registration. All codes |
| N389L | Diamond Aircraft DA 42 NG |
Electric airplane | Lift Aircraft LLC Carmel, Indiana |
Standard | 2024-11-18 | ValidFAA registration status code V: Valid registration. All codes |
| N25HS | Diamond Aircraft DA 42 NG |
Electric airplane | Skyline Aviation INC San Angelo, Texas |
Standard | 2024-10-02 | ValidFAA registration status code V: Valid registration. All codes |
| N151MA | Diamond Aircraft DA 42 NG |
Electric airplane | Bridgewater State University New Bedford, Massachusetts |
Standard | 2024-10-01 | ValidFAA registration status code V: Valid registration. All codes |
| N233AV | Diamond Aircraft DA 42 NG |
Electric airplane | Westwind School of Aeronautics Phoenix LLC DBA Goodyear, Arizona |
Standard | 2024-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N737AV | Diamond Aircraft DA 42 NG |
Electric airplane | Westwind School of Aeronautics Phoenix LLC DBA Goodyear, Arizona |
Standard | 2024-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N125NG | Diamond Aircraft DA 40 NG |
Electric airplane | November Golf LLC Provo, Utah |
Standard | 2024-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N387L | Diamond Aircraft DA 42 NG |
Electric airplane | Lift Aircraft LLC Carmel, Indiana |
Standard | 2024-09-01 | ValidFAA registration status code V: Valid registration. All codes |
| N408SA | Diamond Aircraft DA 42 |
Electric airplane | Take Flight Aviation LLC Montgomery, New York |
Standard | 2024-08-15 | ValidFAA registration status code V: Valid registration. All codes |
| N320AV | Diamond Aircraft DA 42 NG |
Electric airplane | Westwind School of Aeronautics Phoenix LLC DBA Goodyear, Arizona |
Standard | 2024-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N767AV | Diamond Aircraft DA 42 NG |
Electric airplane | Westwind School of Aeronautics Phoenix LLC DBA Goodyear, Arizona |
Standard | 2024-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N787AV | Diamond Aircraft DA 42 NG |
Electric airplane | Westwind School of Aeronautics Phoenix LLC DBA Goodyear, Arizona |
Standard | 2024-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N168PF | Diamond Aircraft DA 42 NG |
Electric airplane | Jetnexa Eleven LLC Gilbert, Arizona |
Standard | 2024-06-14 | ValidFAA registration status code V: Valid registration. All codes |
| N342ND | Diamond Aircraft DA 42 NG |
Electric airplane | Cirrus Aviation INC Sarasota, Florida |
Standard | 2024-05-30 | ValidFAA registration status code V: Valid registration. All codes |
| N313ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2024-05-25 | ValidFAA registration status code V: Valid registration. All codes |
| N314ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry-Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2024-05-25 | ValidFAA registration status code V: Valid registration. All codes |
| N318ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry-Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2024-05-25 | ValidFAA registration status code V: Valid registration. All codes |
| N329ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry-Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2024-05-25 | ValidFAA registration status code V: Valid registration. All codes |
| N386L | Diamond Aircraft DA 42 NG |
Electric airplane | Lift Aircraft LLC Carmel, Indiana |
Standard | 2024-04-25 | ValidFAA registration status code V: Valid registration. All codes |
| N738LA | Diamond Aircraft DA 42 NG |
Electric airplane | Elizabeth City State University Elizabeth City, North Carolina |
Standard | 2024-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N385L | Diamond Aircraft DA 42 NG |
Electric airplane | Brickyard Connection LLC Indianapolis, Indiana |
Standard | 2024-04-17 | ValidFAA registration status code V: Valid registration. All codes |
| N308ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry-Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2024-03-28 | ValidFAA registration status code V: Valid registration. All codes |
| N312ER | Diamond Aircraft DA 42 NG |
Electric airplane | Embry-Riddle Aeronautical University INC Daytona Beach, Florida |
Standard | 2024-03-28 | ValidFAA registration status code V: Valid registration. All codes |
| N142GS | Diamond Aircraft DA 42 NG |
Electric airplane | Fort Wayne Aircraft LLC Fort Wayne, Indiana |
Standard | 2024-03-21 | ValidFAA registration status code V: Valid registration. All codes |
| N230PA | Diamond Aircraft DA 42 NG |
Electric airplane | Sl Aviation LLC Lakeville, Minnesota |
Standard | 2024-03-12 | ValidFAA registration status code V: Valid registration. All codes |
| N342T | Diamond Aircraft DA 42 NG |
Electric airplane | Direct Capital Holdings LLC Colorado Springs, Colorado |
Standard | 2024-03-03 | ValidFAA registration status code V: Valid registration. All codes |
| N458L | Diamond Aircraft DA 42 NG |
Electric airplane | Lift Aircraft LLC Carmel, Indiana |
Standard | 2024-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N505FM | Diamond Aircraft DA 42 NG |
Electric airplane | Seabreeze Mc LLC East Islip, New York |
Standard | 2024-01-19 | ValidFAA registration status code V: Valid registration. All codes |
| N787AM | Diamond Aircraft DA 42 NG |
Electric airplane | Seabreeze Mc LLC East Islip, New York |
Standard | 2024-01-19 | ValidFAA registration status code V: Valid registration. All codes |
| N72EP | Diamond Aircraft DA 62 |
Electric airplane | Esb Group INC Springville, Alabama |
Standard | 2024-01-18 | ValidFAA registration status code V: Valid registration. All codes |
| N1PP | Diamond Aircraft DA 42 NG |
Electric airplane | Level One Trauma Pllc Sherman, Texas |
Standard | 2024-01-08 | ValidFAA registration status code V: Valid registration. All codes |
| N5566A | Diamond Aircraft DA 42 NG |
Electric airplane | Aviation Trust CO LLC Trustee Oklahoma City, Oklahoma |
Standard | 2023-11-04 | ValidFAA registration status code V: Valid registration. All codes |
| N246CF | Diamond Aircraft DA 42 NG |
Electric airplane | Arq Aviation LLC Wilmington, North Carolina |
Standard | 2023-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N542BL | Diamond Aircraft DA 42 NG |
Electric airplane | Blue Line Aviation LLC Winter Haven, Florida |
Standard | 2023-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N441SA | Diamond Aircraft DA 42 NG |
Electric airplane | Chen Aviation INC Princeton, New Jersey |
Standard | 2023-06-16 | ValidFAA registration status code V: Valid registration. All codes |
| N107NG | Diamond Aircraft DA 42 NG |
Electric airplane | Mccarren Aviation LLC Green Bay, Wisconsin |
Standard | 2023-05-15 | ValidFAA registration status code V: Valid registration. All codes |
| N481MR | Diamond Aircraft DA 42 NG |
Electric airplane | Wings Level Aviation LLC Lake Mary, Florida |
Standard | 2023-04-02 | ValidFAA registration status code V: Valid registration. All codes |
| N272MB | Diamond Aircraft DA 42 NG |
Electric airplane | Yankee Lima One LLC Bolingbrook, Illinois |
Standard | 2023-03-09 | ValidFAA registration status code V: Valid registration. All codes |
| N594ER | Diamond Aircraft DA 42 |
Electric airplane | Five Star Marketing INC Raleigh, North Carolina |
Standard | 2023-02-04 | ValidFAA registration status code V: Valid registration. All codes |
| N143NG | Diamond Aircraft DA 40 NG |
Electric airplane | Tiger Aggie Air LLC Fredericksburg, Texas |
Standard | 2023-01-16 | ValidFAA registration status code V: Valid registration. All codes |
| N687ML | Diamond Aircraft DA 42 |
Electric airplane | Jettech Consulting LLC Houston, Texas |
Standard | 2023-01-16 | ValidFAA registration status code V: Valid registration. All codes |
| N962SA | Diamond Aircraft DA 42 |
Electric airplane | Snitka LLC Winston Salem, North Carolina |
Standard | 2022-10-19 | ValidFAA registration status code V: Valid registration. All codes |
| N591ER | Diamond Aircraft DA 42 |
Electric airplane | Diamond Aircraft Sales U S A INC London Ontario, |
Standard | 2022-09-09 | Reports overdueFAA registration status code N: Non-citizen corporation that has not returned its flight-hour reports. All codes |
| N147TS | Diamond Aircraft DA 42 NG |
Electric airplane | Co-owned owner Maine |
Standard | 2022-04-02 | ValidFAA registration status code V: Valid registration. All codes |
| N617DC | Diamond Aircraft DA 62 |
Electric airplane | Diamondxprs LLC Fresno, California |
Standard | 2021-11-02 | ValidFAA registration status code V: Valid registration. All codes |
| N141DA | Diamond Aircraft DA 42 NG |
Electric airplane | Cinden LLC Nashua, New Hampshire |
Standard | 2021-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N430PS | Diamond Aircraft DA 42 |
Electric airplane | Miller Air LLC Portland, Oregon |
Standard | 2021-07-06 | ValidFAA registration status code V: Valid registration. All codes |
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Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.