Lycoming R680
218 aircraft on the U.S. register carry a Lycoming R680 engine, rated at about 215 horsepower. The Boeing A75 Stearman Kaydet is the model most often fitted with it (69 aircraft). The aircraft carrying it were built between 1927 and 2012.
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 Lycoming R680. FAA spelling: R680.
Fitted to model families
Boeing A75 Stearman Kaydet69Boeing E75 Stearman Kaydet43Boeing B75 Stearman Kaydet17Boeing PT-139Naval Aircraft Factory N38Stinson VULTEE V-778Stinson JR. S7Stinson SM-87Stinson SR-96Curtiss Wright TRAVEL AIR 40004Curtiss Wright TRAVEL AIR E-40003Clark 10002
Boeing A75 Stearman Kaydet · Boeing E75 Stearman Kaydet · Boeing B75 Stearman Kaydet · Boeing PT-13 · Naval Aircraft Factory N3 · Stinson VULTEE V-77 · Stinson JR. S · Stinson SM-8 · Stinson SR-9 · Curtiss Wright TRAVEL AIR 4000
Where they are owner's state
California25Texas18Washington14Florida12Delaware10Oregon9Pennsylvania8Ohio8North Carolina8Minnesota6
Kind of aircraft
Piston singles215 (99%)Piston twins3 (1%)
When the aircraft were built by decade
Connections how this engine series links to the rest of the register
Fitted to
- Boeing A75 Stearman Kaydet 69 with this engine series
- Boeing E75 Stearman Kaydet 43 with this engine series
- Boeing B75 Stearman Kaydet 17 with this engine series
- Boeing PT-13 9 with this engine series
- Naval Aircraft Factory N3 8 with this engine series
- Stinson VULTEE V-77 8 with this engine series
- Stinson JR. S 7 with this engine series
- Stinson SM-8 7 with this engine series
Where they are
- California 25 of these aircraft
- Texas 18 of these aircraft
- Washington 14 of these aircraft
- Florida 12 of these aircraft
- Delaware 10 of these aircraft
Biggest operators
- Southern Aircraft Consultancy INC Trustee 3 of these aircraft
- Plane Fun INC Tr Trustee 3 of these aircraft
- Western Antique Aeroplane & Automobile Museum 2 of these aircraft
- Skyhaven Airport INC 2 of these aircraft
- Simply Living LLC 2 of these aircraft
Analytics
These connections as data: /graph/engine/lycoming-r680.json · about the eFlight graph.
Aircraft newest certificates first · 218
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N1707M | Boeing E75 |
Fixed-wing, single engine | Petair INC Wilmington, Delaware |
Standard | 2026-08-17 | ValidFAA registration status code V: Valid registration. All codes |
| N13822 | Stinson JR. SR |
Fixed-wing, single engine | Lake Clark Holdings LLC Port Alsworth, Alaska |
Standard | 2026-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N45747 | Boeing E75 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2026-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N258Y | Aero Antiques IMIT TRVLAIR R TYPE |
Fixed-wing, single engine | Co-owned owner California |
Experimental | 2026-06-08 | ValidFAA registration status code V: Valid registration. All codes |
| N75263 | Boeing A75L300 |
Fixed-wing, single engine | Co-owned owner Kansas |
Standard | 2026-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N933R | Naval Aircraft Factory N3N-3 |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2026-03-09 | ValidFAA registration status code V: Valid registration. All codes |
| N58720 | Boeing A75N1(PT17) |
Fixed-wing, single engine | International Air Services INC Trustee Carson City, Nevada |
Standard | 2026-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N63910 | Boeing A75 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2026-02-22 | ValidFAA registration status code V: Valid registration. All codes |
| N74677 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Southern Aircraft Consultancy INC Trustee Casper, Wyoming |
Standard | 2026-02-17 | ValidFAA registration status code V: Valid registration. All codes |
| N1943S | Stinson VULTEE V-77 |
Fixed-wing, single engine | Southern Aircraft Consultancy INC Trustee Casper, Wyoming |
Special flight permit | 2026-02-06 | ValidFAA registration status code V: Valid registration. All codes |
| N10053 | Boeing A75N1 |
Fixed-wing, single engine | Southern Aircraft Consultancy INC Trustee Casper, Wyoming |
Standard | 2026-01-23 | ValidFAA registration status code V: Valid registration. All codes |
| N1177 | Boeing E75 |
Fixed-wing, single engine | Kma LLC New Port Richey, Florida |
Standard | 2026-01-09 | ValidFAA registration status code V: Valid registration. All codes |
| N99268 | Boeing E75 |
Fixed-wing, single engine | Individual owner Minnesota |
Standard | 2025-12-01 | ValidFAA registration status code V: Valid registration. All codes |
| N68820 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Putz Aeroplanes LLC Bryan, Texas |
Standard | 2025-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N17N | Boeing A75N1(PT17) |
Fixed-wing, single engine | Beta Fleet LLC South Burlington, Vermont |
Standard | 2025-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N9918 | Curtiss Wright TRAVEL AIR E-4000 |
Fixed-wing, single engine | Individual owner Wisconsin |
Restricted | 2025-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N50058 | Boeing A75L300 |
Fixed-wing, single engine | Co-owned owner Kentucky |
Standard | 2025-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N57940 | Boeing E75N1 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N14101 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Weaver Clifford A East Berlin, Pennsylvania |
Standard | 2025-07-20 | ValidFAA registration status code V: Valid registration. All codes |
| N52511 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Co-owned owner Wisconsin |
Standard | 2025-04-28 | ValidFAA registration status code V: Valid registration. All codes |
| N69991 | Boeing B75N1 |
Fixed-wing, single engine | Jko Aviation LLC Helena, Montana |
Standard | 2025-03-24 | ValidFAA registration status code V: Valid registration. All codes |
| N64980 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Individual owner Mississippi |
Standard | 2025-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N49700 | Boeing A75L3 |
Fixed-wing, single engine | Individual owner Indiana |
Standard | 2025-02-09 | ValidFAA registration status code V: Valid registration. All codes |
| N67832 | Cessna T-50 |
Fixed-wing, multi-engine | Individual owner Missouri |
Standard | 2024-12-14 | ValidFAA registration status code V: Valid registration. All codes |
| N4991T | Boeing PT-13D |
Fixed-wing, single engine | Individual owner California |
Standard | 2024-09-05 | ValidFAA registration status code V: Valid registration. All codes |
| N5726 | Fairchild XNQ-1 |
Fixed-wing, single engine | Hagerstown Aviation Museum INC Hagerstown, Maryland |
Experimental | 2024-08-31 | ValidFAA registration status code V: Valid registration. All codes |
| N4413D | Boeing PT-13D |
Fixed-wing, single engine | December 1944 LLC Las Vegas, Nevada |
Standard | 2024-08-09 | ValidFAA registration status code V: Valid registration. All codes |
| N69128 | Stinson VULTEE V-77 |
Fixed-wing, single engine | Gullwing Aviation Holdings LLC Lewes, Delaware |
Standard | 2024-07-01 | ValidFAA registration status code V: Valid registration. All codes |
| N6241D | Boeing B75N1 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2024-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N10KP | Boeing A75N1(PT17) |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2024-04-24 | ValidFAA registration status code V: Valid registration. All codes |
| N69245 | Stinson VULTEE V-77 |
Fixed-wing, single engine | Individual owner Mississippi |
Standard | 2024-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N65731 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Individual owner Louisiana |
Standard | 2024-02-21 | ValidFAA registration status code V: Valid registration. All codes |
| N9782H | Boeing B75N1 |
Fixed-wing, single engine | Dp131 Associates LLC Chester, Virginia |
Standard | 2024-02-15 | ValidFAA registration status code V: Valid registration. All codes |
| N1349M | Boeing E75N1 |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2024-02-14 | ValidFAA registration status code V: Valid registration. All codes |
| N854RC | Boeing A75N1(PT17) |
Fixed-wing, single engine | Kcs LLC Dubuque, Iowa |
Standard | 2024-02-14 | ValidFAA registration status code V: Valid registration. All codes |
| N469Y | Stinson SM-8A |
Fixed-wing, single engine | Individual owner California |
Standard | 2024-02-01 | ValidFAA registration status code V: Valid registration. All codes |
| N75441 | Boeing A75 |
Fixed-wing, single engine | Individual owner California |
Standard | 2024-01-22 | ValidFAA registration status code V: Valid registration. All codes |
| N81172 | Boeing N2S-5 |
Fixed-wing, single engine | Qualitair LLC Trustee Michelstadt, |
Standard | 2023-12-07 | ValidFAA registration status code V: Valid registration. All codes |
| N63378 | Boeing A75 |
Fixed-wing, single engine | Airborne Images INC Encino, California |
Standard | 2023-10-29 | ValidFAA registration status code V: Valid registration. All codes |
| N75001 | Boeing PT-13 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2023-10-24 | ValidFAA registration status code V: Valid registration. All codes |
| N1517 | Stinson SM1-B |
Fixed-wing, single engine | Rhinebeck Aerodrome Museum Red Hook Ny, New York |
Standard | 2023-09-29 | ValidFAA registration status code V: Valid registration. All codes |
| N2538B | Consolidated Vultee L-13 |
Fixed-wing, single engine | Old Aeroplane Company LLC Lake Suzy, Florida |
Standard | 2023-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N1067N | Boeing E75 |
Fixed-wing, single engine | Ruby Begonia LLC Whitefish, Montana |
Standard | 2023-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N7025T | Stinson/Shacklette AT-19 |
Fixed-wing, single engine | Individual owner Kansas |
Standard | 2023-08-15 | ValidFAA registration status code V: Valid registration. All codes |
| N59463 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Individual owner Oregon |
Restricted | 2023-07-05 | ValidFAA registration status code V: Valid registration. All codes |
| N500JV | Boeing A75N1(PT17) |
Fixed-wing, single engine | Individual owner Montana |
Standard | 2023-07-04 | ValidFAA registration status code V: Valid registration. All codes |
| N50685 | Boeing E75 |
Fixed-wing, single engine | Texas Air Museum Slaton, Texas |
Standard | 2023-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N52089 | Boeing E75 |
Fixed-wing, single engine | Co-owned owner Florida |
Experimental | 2023-06-12 | ValidFAA registration status code V: Valid registration. All codes |
| N44874 | Naval Aircraft Factory N3N-3 |
Fixed-wing, single engine | AG Air Squadron Three LLC Saint Joseph, Illinois |
Standard | 2023-05-04 | ValidFAA registration status code V: Valid registration. All codes |
| N53783 | Boeing A75 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2023-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N68837 | Boeing B75N1 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2023-04-20 | ValidFAA registration status code V: Valid registration. All codes |
| N930W | Stinson SM-8A |
Fixed-wing, single engine | Green Bird Aviation LLC Phoenix, Arizona |
Standard | 2023-04-11 | ValidFAA registration status code V: Valid registration. All codes |
| N22D | Boeing A75N1(PT17) |
Fixed-wing, single engine | Hotel Charlie LLC Lewes, Delaware |
Experimental | 2023-04-05 | ValidFAA registration status code V: Valid registration. All codes |
| N55511 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Hotel Charlie LLC Lewes, Delaware |
Standard | 2023-04-05 | ValidFAA registration status code V: Valid registration. All codes |
| N914V | Perth Amboy BIRD CK |
Fixed-wing, single engine | Newhouse Flying Service INC Fredericksburg, Texas |
Experimental | 2023-03-23 | ValidFAA registration status code V: Valid registration. All codes |
| N18353 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Individual owner Massachusetts |
Standard | 2023-03-16 | ValidFAA registration status code V: Valid registration. All codes |
| N99266 | Boeing E75 |
Fixed-wing, single engine | Standard | 2023-02-06 | ValidFAA registration status code V: Valid registration. All codes | |
| N7264 | Boeing A75J1 |
Fixed-wing, single engine | Co-owned owner Illinois |
Standard | 2023-01-20 | ValidFAA registration status code V: Valid registration. All codes |
| N68324 | Boeing B75N1 |
Fixed-wing, single engine | Standard | 2022-12-17 | ValidFAA registration status code V: Valid registration. All codes | |
| N5053V | Boeing A75N1(PT17) |
Fixed-wing, single engine | Tom Vanderpol Memorial Fund Harrison, South Dakota |
Standard | 2022-11-28 | ValidFAA registration status code V: Valid registration. All codes |
| N46590 | Boeing PT-13B |
Fixed-wing, single engine | Withheld at owner's request | Standard | 2022-10-21 | ValidFAA registration status code V: Valid registration. All codes |
| N5523N | Boeing E75 |
Fixed-wing, single engine | Individual owner California |
Standard | 2022-10-17 | ValidFAA registration status code V: Valid registration. All codes |
| N50662 | Waco ZKS-7 |
Fixed-wing, single engine | Individual owner Virginia |
Multiple | 2022-10-12 | ValidFAA registration status code V: Valid registration. All codes |
| N55939 | Stinson VULTEE V-77 |
Fixed-wing, single engine | Co-owned owner Arizona |
Standard | 2022-10-01 | ValidFAA registration status code V: Valid registration. All codes |
| N4599N | Boeing E75 |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2022-06-13 | ValidFAA registration status code V: Valid registration. All codes |
| N3242 | Curtiss Wright TRAVEL AIR 4000 |
Fixed-wing, single engine | Ancient and Honorable Aeroplane CO LLC Waban, Massachusetts |
Standard | 2022-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N5525N | Boeing E75 |
Fixed-wing, single engine | Ferrante Aviation INC Vandergrift, Pennsylvania |
Standard | 2022-02-15 | ValidFAA registration status code V: Valid registration. All codes |
| N43ST | Boeing A75 |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2022-01-29 | ValidFAA registration status code V: Valid registration. All codes |
| N680PT | Boeing A75N1 |
Fixed-wing, single engine | Warbirds LLC Scottsdale, Arizona |
Standard | 2021-12-22 | ValidFAA registration status code V: Valid registration. All codes |
| N2533 | Boeing E75 |
Fixed-wing, single engine | Martin Aviation INC Santa Ana, California |
Standard | 2021-11-09 | ValidFAA registration status code V: Valid registration. All codes |
| N713WW | Boeing E75 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2021-10-23 | ValidFAA registration status code V: Valid registration. All codes |
| N69652 | Boeing B75N1 |
Fixed-wing, single engine | Ageless Aviation Dreams Foundation INC Carson City, Nevada |
Standard | 2021-09-30 | ValidFAA registration status code V: Valid registration. All codes |
| N5176N | Boeing E75 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2021-09-07 | ValidFAA registration status code V: Valid registration. All codes |
| N496LF | Boeing PT-13D |
Fixed-wing, single engine | Newman Brian A Caldwell, Idaho |
Standard | 2021-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N87614 | Boeing-Cawley PT-17 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2021-07-09 | ValidFAA registration status code V: Valid registration. All codes |
| N68840 | Stinson L-5 |
Fixed-wing, single engine | Federal Aerial Applicators LLC Wilmington, Delaware |
Restricted | 2021-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N4587N | Boeing E75 |
Fixed-wing, single engine | Plane Fun INC Tr Trustee Snellville, Georgia |
Standard | 2021-04-27 | ValidFAA registration status code V: Valid registration. All codes |
| N718L | Flaglor GEE BEE Y |
Fixed-wing, single engine | Individual owner Illinois |
Experimental | 2021-04-17 | ValidFAA registration status code V: Valid registration. All codes |
| N68253 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Individual owner Virginia |
Standard | 2020-11-05 | ValidFAA registration status code V: Valid registration. All codes |
| N317PT | Boeing E75 |
Fixed-wing, single engine | Baum Group LLC Shavertown, Pennsylvania |
Standard | 2020-11-03 | ValidFAA registration status code V: Valid registration. All codes |
| N18423 | Stinson SR-9C |
Fixed-wing, single engine | Co-owned owner Washington |
Standard | 2020-10-21 | ValidFAA registration status code V: Valid registration. All codes |
| N12164 | Stinson JR. S |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2020-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N482N | Younkin AMATEUR BUILT |
Fixed-wing, single engine | Individual owner Arkansas |
Experimental | 2020-08-19 | ValidFAA registration status code V: Valid registration. All codes |
| N75650 | Boeing E75N1 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2020-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N6478 | Curtiss Wright TRAVEL AIR D-4000 |
Fixed-wing, single engine | Individual owner Arkansas |
Standard | 2020-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N18407 | Stinson SR-9C |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2020-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N66740 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2020-06-23 | ValidFAA registration status code V: Valid registration. All codes |
| N418M | Stinson SM-8A |
Fixed-wing, single engine | Chileprop LLC Mimbres, New Mexico |
Standard | 2020-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N9911 | Experimental NEYS D260 |
Fixed-wing, single engine | August Aero LLC Kalispell, Montana |
Experimental | 2020-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N51422 | Boeing A75L3 |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2020-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N58390 | Boeing PT-13B |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2020-04-02 | ValidFAA registration status code V: Valid registration. All codes |
| N44769 | Naval Aircraft Factory N3N-3 |
Fixed-wing, single engine | Individual owner California |
Standard | 2020-03-12 | ValidFAA registration status code V: Valid registration. All codes |
| N9018R | Clark 1000 |
Fixed-wing, single engine | Individual owner California |
Restricted | 2020-03-02 | ValidFAA registration status code V: Valid registration. All codes |
| N787H | Stearman Aircraft 6L |
Fixed-wing, single engine | Cloudboy LLC Bellevue, Washington |
Standard | 2020-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N59231 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Widewings LLC Alexandria, Virginia |
Standard | 2020-02-04 | ValidFAA registration status code V: Valid registration. All codes |
| N49778 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Individual owner New Hampshire |
Standard | 2019-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N44848 | Naval Aircraft Factory N3N-3 |
Fixed-wing, single engine | Flabob Airport LLC Riverside, California |
Standard | 2019-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N64648 | Boeing B75N1 |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2019-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N744S | Boeing PT-13D |
Fixed-wing, single engine | Pj Aviation Holding LLC Trustee Eden Prairie, Minnesota |
Standard | 2019-05-03 | ValidFAA registration status code V: Valid registration. All codes |
| N52545 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Plane Fun INC Tr Trustee Snellville, Georgia |
Standard | 2019-03-15 | 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.