# Ken Royce 7 series

- Type: Engine model (FAA registry)
- Registry code: 37001
- Manufacturer (registry): KEN ROYCE
- Model: 7 SERIES
- Engine type: Reciprocating
- Power: 120 hp
- Installed in: 21 registered aircraft
- Page: https://openairdocs.org/engine/ken-royce-7-series

The registry names only the engine series, so ADs for every model in the series are matched.

## 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 (21)

- [N20994](https://openairdocs.org/aircraft/N20994): [Satina David J](https://openairdocs.org/faa-owner/SATINA%20DAVID%20J), [Norton, OH](https://openairdocs.org/faa-place/OH/Norton), built 1938, S/N G-12
- [N25451](https://openairdocs.org/aircraft/N25451): [Shadick Roger R](https://openairdocs.org/faa-owner/SHADICK%20ROGER%20R), [Eagle River, WI](https://openairdocs.org/faa-place/WI/Eagle%20River), built 1939, S/N 809
- [N25455](https://openairdocs.org/aircraft/N25455): [Van Farowe Gary A](https://openairdocs.org/faa-owner/VAN%20FAROWE%20GARY%20A), [Hudsonville, MI](https://openairdocs.org/faa-place/MI/Hudsonville), built 1940, S/N 810
- [N25531](https://openairdocs.org/aircraft/N25531): [Mertesdorf John](https://openairdocs.org/faa-owner/MERTESDORF%20JOHN), [Nicollet, MN](https://openairdocs.org/faa-place/MN/Nicollet), built 1940, S/N 818
- [N25545](https://openairdocs.org/aircraft/N25545): [Western Antique Aeroplane & Automobile Museum](https://openairdocs.org/faa-owner/WESTERN%20ANTIQUE%20AEROPLANE%20%26%20AUTOMOBILE%20MUSEUM), [Hood River, OR](https://openairdocs.org/faa-place/OR/Hood%20River), S/N 822
- [N25546](https://openairdocs.org/aircraft/N25546): [Mid Atlantic Air Museum](https://openairdocs.org/faa-owner/MID%20ATLANTIC%20AIR%20MUSEUM), [Reading, PA](https://openairdocs.org/faa-place/PA/Reading), built 1940, S/N 823
- [N25550](https://openairdocs.org/aircraft/N25550): [Turner Jeff O](https://openairdocs.org/faa-owner/TURNER%20JEFF%20O), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami), S/N 826, Registration revoked
- [N25554](https://openairdocs.org/aircraft/N25554): [Calef Jere R Trustee](https://openairdocs.org/faa-owner/CALEF%20JERE%20R%20TRUSTEE), [Mojave, CA](https://openairdocs.org/faa-place/CA/Mojave), S/N 830
- [N25555](https://openairdocs.org/aircraft/N25555): [Airpower Museum Inc](https://openairdocs.org/faa-owner/AIRPOWER%20MUSEUM%20INC), [Ottumwa, IA](https://openairdocs.org/faa-place/IA/Ottumwa), S/N 832
- [N27262](https://openairdocs.org/aircraft/N27262): [Bitikofer Dawid K](https://openairdocs.org/faa-owner/BITIKOFER%20DAWID%20K), [Kansas City, KS](https://openairdocs.org/faa-place/KS/Kansas%20City), built 1940, S/N 839
- [N32443](https://openairdocs.org/aircraft/N32443): [Rickheim Gerald](https://openairdocs.org/faa-owner/RICKHEIM%20GERALD), [Slatington, PA](https://openairdocs.org/faa-place/PA/Slatington), built 1941, S/N 868
- [N32445](https://openairdocs.org/aircraft/N32445): [Trissell Thomas E](https://openairdocs.org/faa-owner/TRISSELL%20THOMAS%20E), [Clarksville, TX](https://openairdocs.org/faa-place/TX/Clarksville), built 1941, S/N 869
- [N34702](https://openairdocs.org/aircraft/N34702): [Old Aeroplane Co LLC](https://openairdocs.org/faa-owner/OLD%20AEROPLANE%20CO%20LLC), [Lake Suzy, FL](https://openairdocs.org/faa-place/FL/Lake%20Suzy), S/N 870
- [N34736](https://openairdocs.org/aircraft/N34736): [Calef Jere R Trustee](https://openairdocs.org/faa-owner/CALEF%20JERE%20R%20TRUSTEE), [Mojave, CA](https://openairdocs.org/faa-place/CA/Mojave), built 1941, S/N 874
- [N34800](https://openairdocs.org/aircraft/N34800): [Heckman Phillip J](https://openairdocs.org/faa-owner/HECKMAN%20PHILLIP%20J), [Grand Blanc, MI](https://openairdocs.org/faa-place/MI/Grand%20Blanc), built 1941, S/N 871
- [N34822](https://openairdocs.org/aircraft/N34822): [Bausch Wayne A](https://openairdocs.org/faa-owner/BAUSCH%20WAYNE%20A), [Ames, IA](https://openairdocs.org/faa-place/IA/Ames), built 1941, S/N 879
- [N34825](https://openairdocs.org/aircraft/N34825): [Koller John M](https://openairdocs.org/faa-owner/KOLLER%20JOHN%20M), [Arapahoe, NE](https://openairdocs.org/faa-place/NE/Arapahoe), S/N 882
- [N37885](https://openairdocs.org/aircraft/N37885): [Airpower Museum Inc](https://openairdocs.org/faa-owner/AIRPOWER%20MUSEUM%20INC), [Ottumwa, IA](https://openairdocs.org/faa-place/IA/Ottumwa), built 1942, S/N 910
- [N41666](https://openairdocs.org/aircraft/N41666): [Vanfarowe Gary A](https://openairdocs.org/faa-owner/VANFAROWE%20GARY%20A), [Hudsonville, MI](https://openairdocs.org/faa-place/MI/Hudsonville), built 1942, S/N 915
- [N65050](https://openairdocs.org/aircraft/N65050): [Hammond James F](https://openairdocs.org/faa-owner/HAMMOND%20JAMES%20F), [Yellow Springs, OH](https://openairdocs.org/faa-place/OH/Yellow%20Springs), built 1941, S/N 905
- [N68N](https://openairdocs.org/aircraft/N68N): [Rasmussen William J III](https://openairdocs.org/faa-owner/RASMUSSEN%20WILLIAM%20J%20III), [Mattoon, IL](https://openairdocs.org/faa-place/IL/Mattoon), S/N 803

## NTSB investigations (5)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN17LA338](https://openairdocs.org/ntsb/CEN17LA338), Sep 3, 2017: Golden Eagle Chief (N68N), Mt. Zion, IL, substantial damage. Probable cause: A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CHI07CA276](https://openairdocs.org/ntsb/CHI07CA276), Aug 10, 2007: Golden Eagle Chief (N68N), Hindsboro, IL, substantial damage. Probable cause: The loss of engine power due to the number seven cylinder's separation during cruise and the crops encountered during the forced landing leading to the airplane nosing over.
- [NTSB FTW78FPM17](https://openairdocs.org/ntsb/FTW78FPM17), Jun 24, 1978: Rearwin 8135 (N27262), Owasso, OK, substantial damage
- [NTSB CHI71FEP55](https://openairdocs.org/ntsb/CHI71FEP55), Jun 6, 1971: Rearwin 8135 (N25451), Reedsburg, WI, substantial damage
- [NTSB FTW71FRJ21](https://openairdocs.org/ntsb/FTW71FRJ21), Nov 2, 1970: Rearwin 8135 (N32445), Avery, TX, substantial damage

## FAA accident and incident reports (5)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20170903014069A](https://openairdocs.org/incident/20170903014069A), Sep 3, 2017: Golden Eagle CHIEF (N68N), Mt Zion, IL, Substantial damage. On September 3, 2017, about 1615 central daylight time, a Golden Eagle Chief, N68N, piloted by a private pilot, was substantially damaged when it nosed over in…
- [Accident 20110218005519A](https://openairdocs.org/incident/20110218005519A), Feb 18, 2011: Rearwin 8135 (N25545), Casa Grande, AZ, Substantial damage. On 2/18/2011, [privacy data omitted] departed eloy Arizona in a 1940 Rearwin model 8135 aircraft N25545 heading to chandler municipal airport. [privacy data…
- [Accident 20070810022639A](https://openairdocs.org/incident/20070810022639A), Aug 10, 2007: Golden CHIEF (N68N), Hinesboro, IL, Substantial damage. (-23) Pilot stated that he was 15 minutes north of mattoon airport at 1000 feet enroute rantoul, IL, when the engine started sputtering and losing power. Pilot…
- [Incident 19940906035529I](https://openairdocs.org/incident/19940906035529I), Sep 6, 1994: Pigman 8135REARWIN (N34822), Albia, IA, Minor damage. Lost power on climbout. Gear prop and wings damaged landing in corn.
- [Incident 19880717026819I](https://openairdocs.org/incident/19880717026819I), Jul 17, 1988: Pigman 8135REARWIN (N34702), Stevensville, MD, Minor damage. Pilot lost directional control on crosswind landing. Veered off runway ground looped and hit culvert. Nosed down.

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