# Subaru EA-81

- Type: Engine model (FAA registry)
- Registry code: 59052
- Manufacturer (registry): SUBARU
- Model: EA-81
- Engine type: Reciprocating
- Power: 100 hp
- Installed in: 23 registered aircraft
- Page: https://openairdocs.org/engine/subaru-ea-81

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (23)

- [N1018R](https://openairdocs.org/aircraft/N1018R): [Trueblood Michael S](https://openairdocs.org/faa-owner/TRUEBLOOD%20MICHAEL%20S), [Bonita Springs, FL](https://openairdocs.org/faa-place/FL/Bonita%20Springs), built 1993, S/N LCU-141
- [N187T](https://openairdocs.org/aircraft/N187T): [Gearen Dempsey Jr](https://openairdocs.org/faa-owner/GEAREN%20DEMPSEY%20JR), [Waller, TX](https://openairdocs.org/faa-place/TX/Waller), built 2018, S/N 1426D
- [N192WT](https://openairdocs.org/aircraft/N192WT): [Taylor William L](https://openairdocs.org/faa-owner/TAYLOR%20WILLIAM%20L), [Fairview, OR](https://openairdocs.org/faa-place/OR/Fairview), built 2019, S/N WT1649
- [N194C](https://openairdocs.org/aircraft/N194C): [Potter Merl A](https://openairdocs.org/faa-owner/POTTER%20MERL%20A), [Alma, AR](https://openairdocs.org/faa-place/AR/Alma), built 2021, S/N ECU 042
- [N194XS](https://openairdocs.org/aircraft/N194XS): [Klein Fred R](https://openairdocs.org/faa-owner/KLEIN%20FRED%20R), [Eastsound, WA](https://openairdocs.org/faa-place/WA/Eastsound), built 2019, S/N A-194
- [N230TM](https://openairdocs.org/aircraft/N230TM): [Gregory Dennis A](https://openairdocs.org/faa-owner/GREGORY%20DENNIS%20A), [Knoxville, AL](https://openairdocs.org/faa-place/AL/Knoxville), built 2017, S/N 2016-3451
- [N261AD](https://openairdocs.org/aircraft/N261AD): [Da Done LLC](https://openairdocs.org/faa-owner/DA%20DONE%20LLC), [Lake Placid, FL](https://openairdocs.org/faa-place/FL/Lake%20Placid), built 2025, S/N 2025
- [N416DD](https://openairdocs.org/aircraft/N416DD): [Bradley Michael](https://openairdocs.org/faa-owner/BRADLEY%20MICHAEL), [Anacortes, WA](https://openairdocs.org/faa-place/WA/Anacortes), S/N 632875
- [N424Z](https://openairdocs.org/aircraft/N424Z): [Hord Marlyn J](https://openairdocs.org/faa-owner/HORD%20MARLYN%20J), [Princeton, ID](https://openairdocs.org/faa-place/ID/Princeton), built 2015, S/N 7-5668
- [N458MD](https://openairdocs.org/aircraft/N458MD): [Durben Milo R](https://openairdocs.org/faa-owner/DURBEN%20MILO%20R), [Delano, MN](https://openairdocs.org/faa-place/MN/Delano), built 2022, S/N 652273
- [N4661W](https://openairdocs.org/aircraft/N4661W): [Wilson John W](https://openairdocs.org/faa-owner/WILSON%20JOHN%20W), [Pinnacle, NC](https://openairdocs.org/faa-place/NC/Pinnacle), built 2016, S/N 1
- [N468MK](https://openairdocs.org/aircraft/N468MK): [Eaa Chapter 988 Inc](https://openairdocs.org/faa-owner/EAA%20CHAPTER%20988%20INC), [Franklin, PA](https://openairdocs.org/faa-place/PA/Franklin), built 2014, S/N 6-3284
- [N52367](https://openairdocs.org/aircraft/N52367): [Jantzi Reuben B](https://openairdocs.org/faa-owner/JANTZI%20REUBEN%20B), [Parma, ID](https://openairdocs.org/faa-place/ID/Parma), S/N V9404-0008
- [N523EB](https://openairdocs.org/aircraft/N523EB): [Brantley Gerald L](https://openairdocs.org/faa-owner/BRANTLEY%20GERALD%20L), [Starke, FL](https://openairdocs.org/faa-place/FL/Starke), built 2014, S/N F-1575
- [N601NR](https://openairdocs.org/aircraft/N601NR): [Vranish Randolph P](https://openairdocs.org/faa-owner/VRANISH%20RANDOLPH%20P), [Lake Stevens, WA](https://openairdocs.org/faa-place/WA/Lake%20Stevens), built 2014, S/N 001
- [N689KB](https://openairdocs.org/aircraft/N689KB): [King Jack C](https://openairdocs.org/faa-owner/KING%20JACK%20C), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2014, S/N 001
- [N701BB](https://openairdocs.org/aircraft/N701BB): [Hood Bruce C](https://openairdocs.org/faa-owner/HOOD%20BRUCE%20C), [Pearcy, AR](https://openairdocs.org/faa-place/AR/Pearcy), built 2023, S/N 7-3997
- [N701RZ](https://openairdocs.org/aircraft/N701RZ): [Zweifel Ronald M](https://openairdocs.org/faa-owner/ZWEIFEL%20RONALD%20M), [Monroe, WI](https://openairdocs.org/faa-place/WI/Monroe), built 2015, S/N 7-5108
- [N7880H](https://openairdocs.org/aircraft/N7880H): [Kellett Terrence](https://openairdocs.org/faa-owner/KELLETT%20TERRENCE), [Hawthorne, NJ](https://openairdocs.org/faa-place/NJ/Hawthorne), S/N 6-2038
- [N799EM](https://openairdocs.org/aircraft/N799EM): [Musser Richard A](https://openairdocs.org/faa-owner/MUSSER%20RICHARD%20A), [Mohave Valley, AZ](https://openairdocs.org/faa-place/AZ/Mohave%20Valley), built 2017, S/N 7-10451
- [N805U](https://openairdocs.org/aircraft/N805U): [Wharton James R](https://openairdocs.org/faa-owner/WHARTON%20JAMES%20R), [Byron, MN](https://openairdocs.org/faa-place/MN/Byron), built 2022, S/N 7-4633
- [N8553P](https://openairdocs.org/aircraft/N8553P): [Watson James P](https://openairdocs.org/faa-owner/WATSON%20JAMES%20P), [Hye, TX](https://openairdocs.org/faa-place/TX/Hye), built 2018, S/N 1550
- [N9248T](https://openairdocs.org/aircraft/N9248T): [Pritchard Thurston](https://openairdocs.org/faa-owner/PRITCHARD%20THURSTON), [Orofino, ID](https://openairdocs.org/faa-place/ID/Orofino), built 2025, S/N 95043

## NTSB investigations (7)

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 WPR22LA322](https://openairdocs.org/ntsb/WPR22LA322), Aug 26, 2022: Ray E Roberts Kitfox V Vixen (N52367), Caldwell, ID, substantial damage. Probable cause: The partial loss of engine power due to a loose wire leading to the engine’s electronic control unit (ECU). Contributing was the pilot’s exceedance of the critical angle of attack while maneuvering,…
- [NTSB WPR22LA158](https://openairdocs.org/ntsb/WPR22LA158), Apr 13, 2022: Europa XS Mono (N194XS), Eastsound, WA, substantial damage. Probable cause: The pilot inadvertently shut off the engine control unit, which resulted in the engine turning off before the runway landing was attained.
- [NTSB CEN20CA206](https://openairdocs.org/ntsb/CEN20CA206), May 31, 2020: Zenair CH601 (N638RM), Worthington, MN, substantial damage. Probable cause: The pilot's excessive brake application during the landing roll to avoid an animal on the runway, which resulted in a ground loop.
- [NTSB GAA18CA266](https://openairdocs.org/ntsb/GAA18CA266), May 8, 2018: Diven Robert Nieuport 17 (N315BD), Las Cruces, NM, substantial damage. Probable cause: The pilot’s failure to attain a positive climb rate after takeoff in high-density altitude conditions, which resulted in a collision with terrain.
- [NTSB CEN18FA003](https://openairdocs.org/ntsb/CEN18FA003), Oct 4, 2017: Schaffer Fisher Horizon 2 (N428AP), Eden Prairie, MN, destroyed, 1 fatal. Probable cause: An inflight loss of control and collision with terrain for undetermined reasons after a thorough examination of the airplane's flight controls was unable to confirm control continuity. Contributing…
- [NTSB NYC94LA120](https://openairdocs.org/ntsb/NYC94LA120), Jul 12, 1994: Freeman PRO-STAR II (N43579), Sanford, ME, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN AIRSPEED RESULTING IN AN INADVERTENT STALL AND COLLISION WITH THE TERRAIN.
- [NTSB MKC77DCG16](https://openairdocs.org/ntsb/MKC77DCG16), Mar 3, 1977: Cessna 182 (N52367), Olathe, KS, substantial damage

## FAA accident and incident reports (9)

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.

- [Accident 20220826021529A](https://openairdocs.org/incident/20220826021529A), Aug 26, 2022: Ray E Roberts KITFOX V VIXEN (N52367), Caldwell, ID, Substantial damage. PIC indicated he was taking the aircraft for a flight check after maintenance. The aircraft had not flown for several years, it had just undergone a condition…
- [Accident 20220413004629A](https://openairdocs.org/incident/20220413004629A), Apr 13, 2022: Klein Fred R EUROPA XS MONO (N194XS), Eastsound, WA, Substantial damage. Upon approach, pilot accidently turned off electrical power to coils which rendered engine ingnition inoperative causing loss of engine power and altitude…
- [Accident 20200531007289A](https://openairdocs.org/incident/20200531007289A), May 31, 2020: Mikulichek Richard L ZENITH 601 HD (N638RM), Worthington, MN, Substantial damage. Pilot stated that he touched down and saw a fox run onto the runway, the pilot maneuvered the aircraft to miss the fox that resulted in a ground loop. The…
- [Accident 20180508014979A](https://openairdocs.org/incident/20180508014979A), May 8, 2018: Robert Diven NIEUPORT 17 (N315BD), Las Cruces, NM, Substantial damage. On may 08, 2018, at 08:47 MST, an nieuport 17, N315BD, [privacy data omitted] ran off the runway during takeoff, approximately 800 feet from the thresholds…
- [Accident 20171004016619A](https://openairdocs.org/incident/20171004016619A), Oct 4, 2017: Schaffer Philip A FISHER HORIZON 2 (N428AP), Eden Prairie, MN, Destroyed, 1 fatal. [privacy data omitted]Pilot was on maiden flight with his recently built aircraft. He aborted the first takeoff and taxied back for subsequent takeoff. On the…
- [Incident 20160703006839I](https://openairdocs.org/incident/20160703006839I), Jul 3, 2016: Geci Karl E/Sorg Maurus L ZODIAC CH 601 HD (N468MK), Saint Marys, PA, Substantial damage. The pilot was attempting a high speed taxi on the runway, with no intent to fly. The aircraft's nose porpoised and collapsed the nose gear. The aircraft's…
- [Incident 20150523007879I](https://openairdocs.org/incident/20150523007879I), May 23, 2015: Charles L Hartman ZENTIH 701 (N697MF), Mendota, IL, Destroyed. During high-speed taxi test (no intent for flight) the nose landing gear bungee (p/n 1080) broke causing the nose landing gear to collapse. The aircraft nosed…
- [Accident 19940712044149A](https://openairdocs.org/incident/19940712044149A), Jul 12, 1994: Amtr PT2 (N43579), Sanford, ME, Substantial damage. Report climb rate less than normal stalled and spun in trying to turn back to runway. Not stall warning equipped.
- [Accident 19770303004479A](https://openairdocs.org/incident/19770303004479A), Mar 3, 1977: Cessna 182P (N52367), Olathe, KS, Substantial damage. Firewall damage discovered after dual flight completed

## Service difficulty reports (2)

As reported by operators and repair stations, by the model named in the report.

- [SDR 20001017SH037](https://openairdocs.org/sdr/20001017SH037), Sep 16, 2000: TERMINAL. BROKEN. AIRCRAFT FORCED TO EMERGENCY LAND AFTER ENGINE QUIT DURING LANDING. AIRCRAFT IS AN AMATEUR BUILT GYRO PLANE. THE ENGINE WAS A SUBURU WITH SINGLE COIL IGNITION S
- [SDR 99ZZZX3567](https://openairdocs.org/sdr/99ZZZX3567), Aug 18, 1999: SNAP RING. FAILED. AIRCRAFT MADE AN OFF-AIRPORT LANDING DUE TO LOSS OF POWER. ENGINE WAS DISASSEMBLED. THE SNAP RING THAT HOLDS NR 1 CYLINDER EXHAUST ROCKER ARM WAS BROKEN ALLOWIN

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