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 |
|---|---|---|---|---|---|---|
| N64712 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Gordon Schmidt Aircraft INC Coggon, Iowa |
Standard | 1993-04-05 | ValidFAA registration status code V: Valid registration. All codes |
| N47303 | Stinson SR-10J |
Fixed-wing, single engine | Skyhaven Airport INC Tunkhannock, Pennsylvania |
Standard | 1992-12-09 | ValidFAA registration status code V: Valid registration. All codes |
| N1390N | Boeing E75 |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 1992-06-02 | ValidFAA registration status code V: Valid registration. All codes |
| N13459 | Stinson JR. SR |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 1991-12-11 | ValidFAA registration status code V: Valid registration. All codes |
| N56907 | Boeing A75N1(PT17) |
Fixed-wing, single engine | Individual owner Montana |
Standard | 1991-10-30 | ValidFAA registration status code V: Valid registration. All codes |
| N1339 | Travel Air 4000 |
Fixed-wing, single engine | Individual owner Oregon |
Restricted | 1990-04-13 | ValidFAA registration status code V: Valid registration. All codes |
| N10584 | Boeing E75 |
Fixed-wing, single engine | Individual owner Michigan |
Restricted | 1989-01-03 | ValidFAA registration status code V: Valid registration. All codes |
| N17144 | Stinson SR-9E |
Fixed-wing, single engine | Individual owner California |
Standard | 1988-12-15 | ValidFAA registration status code V: Valid registration. All codes |
| N48RJ | Boeing A75N1(PT17) |
Fixed-wing, single engine | Individual owner Texas |
Standard | 1988-03-23 | ValidFAA registration status code V: Valid registration. All codes |
| N11168 | Stinson JR. S |
Fixed-wing, single engine | Individual owner Florida |
Standard | 1985-12-07 | ValidFAA registration status code V: Valid registration. All codes |
| N63230 | Stinson L-1 |
Fixed-wing, single engine | Individual owner Florida |
Limited | 1985-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N5132N | Boeing B75N1 |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 1984-03-31 | ValidFAA registration status code V: Valid registration. All codes |
| N4321 | Curtiss Wright TRAVEL AIR 4000 |
Fixed-wing, single engine | Stuart S Macpherson Dds INC Cardiff By the Sea, California |
Standard | 1981-09-19 | ValidFAA registration status code V: Valid registration. All codes |
| N1856M | Boeing A75N1(PT17) |
Fixed-wing, single engine | Individual owner California |
Restricted | 1981-05-20 | ValidFAA registration status code V: Valid registration. All codes |
| N38979 | Boeing E75N1 |
Fixed-wing, single engine | Individual owner Tennessee |
Standard | 1977-01-05 | ValidFAA registration status code V: Valid registration. All codes |
| N71BA | Boeing A75 |
Fixed-wing, single engine | Bob Air INC Gastonia, North Carolina |
Restricted | 1972-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N73BA | Boeing E75N1 |
Fixed-wing, single engine | Bob Air INC Gastonia, North Carolina |
Standard | 1972-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N67823 | Boeing B75N1 |
Fixed-wing, single engine | Individual owner Kansas |
Standard | PendingFAA registration status code R: Registration pending. 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.