Lycoming IO-540-C4B5
179 aircraft on the U.S. register carry a Lycoming IO-540-C4B5 engine, rated at about 250 horsepower. The Piper PA-23 Apache and Aztec is the model most often fitted with it (29 aircraft). The aircraft carrying it were built between 1956 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 Lycoming IO-540-C4B5. FAA spelling: IO-540-C4B5.
Fitted to model families
Piper PA-23 Apache and Aztec29Dehavilland DHC-13Aerofab Inc LAKE LA-2502Jerry E Scott SCOTT ROCKET2Adam Pontious LEE ROCKET1Aerofab Inc LAKE 2501Alpha Romeo Holdings Inc F1 ROCKET1Anderson Daniel S HRII/F1 ROCKET1Andrew P Johnson VAN'S RV-101Anglin James Leroy HR21Austin Andrew J RV-101Averyt H D/Averyt B T RV-101
Piper PA-23 Apache and Aztec · Dehavilland DHC-1 · Aerofab Inc LAKE LA-250 · Jerry E Scott SCOTT ROCKET · Adam Pontious LEE ROCKET · Aerofab Inc LAKE 250 · Alpha Romeo Holdings Inc F1 ROCKET · Anderson Daniel S HRII/F1 ROCKET · Andrew P Johnson VAN'S RV-10 · Anglin James Leroy HR2
Where they are owner's state
Florida17California16Texas15Delaware13New York6Idaho6Virginia5Montana5Kansas5Indiana5
Kind of aircraft
Piston singles150 (84%)Piston twins29 (16%)
When the aircraft were built by decade
Connections how this engine series links to the rest of the register
Fitted to
- Piper PA-23 Apache and Aztec 29 with this engine series
- Dehavilland DHC-1 3 with this engine series
- Aerofab Inc LAKE LA-250 2 with this engine series
- Aerofab Inc LAKE 250 1 with this engine series
Where they are
- Florida 17 of these aircraft
- California 16 of these aircraft
- Texas 15 of these aircraft
- Delaware 13 of these aircraft
- New York 6 of these aircraft
Biggest operators
- Pacific Fleet Aviation LLC 4 of these aircraft
- International Air Services INC Trustee 3 of these aircraft
- Williamsburg Air Service INC 1 of these aircraft
Analytics
These connections as data: /graph/engine/lycoming-io-540-c4b5.json · about the eFlight graph.
Aircraft newest certificates first · 179
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N924JH | Howard John D VELOCITY XL-5 |
Fixed-wing, single engine | Individual owner Minnesota |
Experimental | 2026-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N423CF | Felker Timothy R RV-10 |
Fixed-wing, single engine | Co-owned owner Texas |
Experimental | 2026-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N104BK | Kaufmann Robert J VANS RV-10 |
Fixed-wing, single engine | Charlie Alpha Bravo LLC Spring Hill, Kansas |
Experimental | 2026-07-07 | ValidFAA registration status code V: Valid registration. All codes |
| N75252 | Brandt Patrick J VANS RV-10 |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2026-07-07 | ValidFAA registration status code V: Valid registration. All codes |
| N222DU | Piper PA-23-250 |
Fixed-wing, multi-engine | Cg 340 LLC Fountain Hills, Arizona |
Standard | 2026-06-29 | ValidFAA registration status code V: Valid registration. All codes |
| N610CM | Headrick James VANS RV-10 |
Fixed-wing, single engine | Mrd Aero LLC Manheim, Pennsylvania |
Experimental | 2026-04-07 | ValidFAA registration status code V: Valid registration. All codes |
| N540BR | Wells Bret WELLS ROCKET |
Fixed-wing, single engine | Experimental | 2026-03-14 | ValidFAA registration status code V: Valid registration. All codes | |
| N953CN | Craig Ellison BEARHAWK FOUR |
Fixed-wing, single engine | Individual owner Idaho |
Experimental | 2026-03-10 | ValidFAA registration status code V: Valid registration. All codes |
| N185WE | Henderson Robert L EXPRESS |
Fixed-wing, single engine | Individual owner Arizona |
Experimental | 2026-01-20 | ValidFAA registration status code V: Valid registration. All codes |
| N84KY | Shell Robert D RV4 |
Fixed-wing, single engine | Co-owned owner South Carolina |
Experimental | 2025-12-12 | ValidFAA registration status code V: Valid registration. All codes |
| N251DY | Daniel Ybarra RV-10 |
Fixed-wing, single engine | Individual owner Colorado |
Experimental | 2025-12-11 | ValidFAA registration status code V: Valid registration. All codes |
| N305KT | Lammers David G RV-10 |
Fixed-wing, single engine | Co-owned owner Washington |
Experimental | 2025-12-08 | ValidFAA registration status code V: Valid registration. All codes |
| N131RM | Piper PA-23-250 |
Fixed-wing, multi-engine | International Air Services INC Trustee Carson City, Nevada |
Standard | 2025-11-10 | ValidFAA registration status code V: Valid registration. All codes |
| N649BG | Miller Rich/Green Robert VANS RV-10 |
Fixed-wing, single engine | Ace Flyers LLC Sacramento, California |
Experimental | 2025-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N2090 | Piper PA-23-250 |
Fixed-wing, multi-engine | American Valet Air INC Wilmington, Delaware |
Standard | 2025-08-20 | ValidFAA registration status code V: Valid registration. All codes |
| N1577R | Piper PA-23-250 |
Fixed-wing, multi-engine | Global Aircraft Trust INC Trustee Cheyenne, Wyoming |
Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N194ML | Piper PA-23-250 |
Fixed-wing, multi-engine | Gofly Trading LLC Opa Locka, Florida |
Standard | 2025-06-02 | ValidFAA registration status code V: Valid registration. All codes |
| N270GG | Piper PA-23-250 (6PCLM) |
Fixed-wing, multi-engine | Skylens LLC Hammond, Louisiana |
Standard | 2025-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N45678 | Joel C Graber RV-10 |
Fixed-wing, single engine | Kdm Aviation LLC Wilmington, Delaware |
Experimental | 2025-03-19 | ValidFAA registration status code V: Valid registration. All codes |
| N604TW | John T Stearman VANS ACFT RV-10 |
Fixed-wing, single engine | Chrysalide LLC Oklahoma City, Oklahoma |
Experimental | 2025-03-19 | ValidFAA registration status code V: Valid registration. All codes |
| N2112H | Piper PA-23-250 |
Fixed-wing, multi-engine | Air V INC Trustee Wilmington, Delaware |
Standard | 2025-01-07 | ValidFAA registration status code V: Valid registration. All codes |
| N152RV | Yid Air Llc RV-10 |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2024-12-13 | ValidFAA registration status code V: Valid registration. All codes |
| N972PG | George Perdue Iii RV10 |
Fixed-wing, single engine | Law Office of Thamir A R Kaddouri JR P A Albany, Georgia |
Experimental | 2024-10-31 | ValidFAA registration status code V: Valid registration. All codes |
| N678JP | Blanton Jeffrey D HARMON ROCKET II |
Fixed-wing, single engine | Jj Aero LLC Valley Center, Kansas |
Experimental | 2024-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N25TK | Konitz Tom STEEN SKY BOLT |
Fixed-wing, single engine | Individual owner Missouri |
Experimental | 2024-05-27 | ValidFAA registration status code V: Valid registration. All codes |
| N50PV | Vogt Peter HARMON ROCKET II |
Fixed-wing, single engine | Individual owner New Hampshire |
Experimental | 2024-05-20 | ValidFAA registration status code V: Valid registration. All codes |
| N46528 | Haglund Joel TEAM ROCKET F-1 |
Fixed-wing, single engine | Petaloutha Aero CORP Wilmington, Delaware |
Experimental | 2024-05-17 | ValidFAA registration status code V: Valid registration. All codes |
| N284SF | Francisco Campa RV-10 |
Fixed-wing, single engine | Individual owner South Carolina |
Experimental | 2024-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N245BG | Gwin Bryan D F1 ROCKET |
Fixed-wing, single engine | Individual owner California |
Experimental | 2024-04-10 | ValidFAA registration status code V: Valid registration. All codes |
| N161PC | John M Nys VANS RV-10 |
Fixed-wing, single engine | Individual owner Oklahoma |
Experimental | 2024-02-06 | ValidFAA registration status code V: Valid registration. All codes |
| N250SP | Aerofab Inc LAKE LA-250 |
Fixed-wing, single engine | International Air Services INC Trustee Carson City, Nevada |
Standard | 2024-01-09 | ValidFAA registration status code V: Valid registration. All codes |
| N961RV | Robert H Beckett RV-10 |
Fixed-wing, single engine | Individual owner Nevada |
Experimental | 2023-12-13 | ValidFAA registration status code V: Valid registration. All codes |
| N888FF | Steffensen Mark A RV-10 |
Fixed-wing, single engine | 2826 LLC Inola, Oklahoma |
Experimental | 2023-11-10 | ValidFAA registration status code V: Valid registration. All codes |
| N23AV | Piper PA-23-250 |
Fixed-wing, multi-engine | Jtz Aviation LLC Wilmington, Delaware |
Standard | 2023-11-04 | ValidFAA registration status code V: Valid registration. All codes |
| N230JC | Piper PA-23-250 |
Fixed-wing, multi-engine | N230Jc INC Trustee Wilmington, Delaware |
Standard | 2023-10-17 | ValidFAA registration status code V: Valid registration. All codes |
| N906CR | Christopher Randall RAPTOR JUNIOR 540 |
Fixed-wing, single engine | Red 6 Technologies LLC Santa Monica, California |
Experimental | 2023-10-13 | ValidFAA registration status code V: Valid registration. All codes |
| N975RV | Joseph W Arvai RV-10 |
Fixed-wing, single engine | Individual owner Maryland |
Experimental | 2023-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N976AZ | Piper PA-23-250 |
Fixed-wing, multi-engine | Wl Aviation LLC Boca Raton, Florida |
Standard | 2023-07-13 | ValidFAA registration status code V: Valid registration. All codes |
| N221KR | Starkey Michael J RV 10 |
Fixed-wing, single engine | Individual owner Michigan |
Experimental | 2023-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N6400Y | Piper PA-23-250 |
Fixed-wing, multi-engine | Aztec Flyers LLC Zephyrhills, Florida |
Standard | 2023-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N380DM | Maib David A RV-10 |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2023-04-16 | ValidFAA registration status code V: Valid registration. All codes |
| N789AB | Marz Barry L RV-10 |
Fixed-wing, single engine | Withheld at owner's request | Experimental | 2023-04-15 | ValidFAA registration status code V: Valid registration. All codes |
| N209KT | Hilling William C F1 EVO |
Fixed-wing, single engine | Individual owner Indiana |
Experimental | 2023-03-28 | ValidFAA registration status code V: Valid registration. All codes |
| N57CT | Curtis William Thessen HARMON ROCKET II |
Fixed-wing, single engine | Individual owner Missouri |
Experimental | 2023-02-21 | ValidFAA registration status code V: Valid registration. All codes |
| N9900M | Krauser Peter C VANS RV-10 |
Fixed-wing, single engine | Goldfinch Aviation LLC Mukilteo, Washington |
Experimental | 2023-02-17 | ValidFAA registration status code V: Valid registration. All codes |
| N464CW | Schilthelm Mark W F1H ROCKET |
Fixed-wing, single engine | Individual owner Ohio |
Experimental | 2023-02-10 | ValidFAA registration status code V: Valid registration. All codes |
| N109MY | Yonchak Mark A DR-109 |
Fixed-wing, single engine | Individual owner Virginia |
Experimental | 2022-12-19 | ValidFAA registration status code V: Valid registration. All codes |
| N6262H | Piper PA-23-250 |
Fixed-wing, multi-engine | Lle Aire LLC Cocoa, Florida |
Standard | 2022-12-10 | ValidFAA registration status code V: Valid registration. All codes |
| N762CM | Anderson Daniel S HRII/F1 ROCKET |
Fixed-wing, single engine | Individual owner Arizona |
Experimental | 2022-12-06 | ValidFAA registration status code V: Valid registration. All codes |
| N4472M | Price G F STEEN SKYBOLT |
Fixed-wing, single engine | Stone Aviation Enterprises INC East Syracuse, New York |
Experimental | 2022-12-02 | ValidFAA registration status code V: Valid registration. All codes |
| N700HH | Jonathan Hubbell RV-10 |
Fixed-wing, single engine | Co-owned owner Indiana |
Experimental | 2022-11-01 | ValidFAA registration status code V: Valid registration. All codes |
| N98CX | Rubino Chad L RV-10 |
Fixed-wing, single engine | Individual owner Montana |
Experimental | 2022-10-28 | ValidFAA registration status code V: Valid registration. All codes |
| N786MP | Joe Salomone RV10 |
Fixed-wing, single engine | Co-owned owner Oregon |
Experimental | 2022-09-17 | ValidFAA registration status code V: Valid registration. All codes |
| N66DL | Dehavilland DHC-1B-2-S5 |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2022-08-31 | ValidFAA registration status code V: Valid registration. All codes |
| N945DP | Peer Thomas A HARMON ROCKET II |
Fixed-wing, single engine | Individual owner Tennessee |
Experimental | 2022-08-19 | ValidFAA registration status code V: Valid registration. All codes |
| N899WM | Goodman Michael G RV-10 |
Fixed-wing, single engine | Flight Ops LLC Sugar Hill, Georgia |
Experimental | 2022-08-15 | ValidFAA registration status code V: Valid registration. All codes |
| N540X | Campbell Scott A KNIFE EDGE |
Fixed-wing, single engine | Individual owner Illinois |
Experimental | 2022-08-03 | ValidFAA registration status code V: Valid registration. All codes |
| N111LC | Cantlon STARDUSTER TOO SA300 |
Fixed-wing, single engine | Individual owner Ohio |
Experimental | 2022-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N330HP | James C Kidd KIDD SKYBOLT |
Fixed-wing, single engine | Individual owner North Carolina |
Experimental | 2022-05-25 | ValidFAA registration status code V: Valid registration. All codes |
| N540SW | Scott E Solberg RV-7 |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2022-05-18 | ValidFAA registration status code V: Valid registration. All codes |
| N6212 | Christian Bailey BERKUT 540 |
Fixed-wing, single engine | Red 6 Technologies LLC Santa Monica, California |
Experimental | 2022-05-11 | ValidFAA registration status code V: Valid registration. All codes |
| N504KL | Avions Peirre Robin HR 100-250 TR |
Fixed-wing, single engine | Langeard Aviation INC Wilmington, Delaware |
Experimental | 2022-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N333WP | Phillips William R VANS RV-8 |
Fixed-wing, single engine | Individual owner Alabama |
Experimental | 2022-03-28 | ValidFAA registration status code V: Valid registration. All codes |
| N59PM | Williams David L TEAM ROCKET F1 |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2022-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N299PW | John M Toudouze VANS RV-10 |
Fixed-wing, single engine | Individual owner California |
Experimental | 2022-01-06 | ValidFAA registration status code V: Valid registration. All codes |
| N317E | Michel Laverdiere VANS RV-10 |
Fixed-wing, single engine | Co-owned owner Texas |
Experimental | 2022-01-06 | ValidFAA registration status code V: Valid registration. All codes |
| N450KS | Shannon Kevin RV-4 |
Fixed-wing, single engine | Individual owner Georgia |
Experimental | 2021-10-21 | ValidFAA registration status code V: Valid registration. All codes |
| N747BL | Adam Pontious LEE ROCKET |
Fixed-wing, single engine | Soaring Eagle Aviation LLC Missoula, Montana |
Experimental | 2021-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N606E | Carpenter John A VANS RV-10 |
Fixed-wing, single engine | Advantage Data Systems INC Zionsville, Indiana |
Experimental | 2021-08-07 | ValidFAA registration status code V: Valid registration. All codes |
| N619BL | Piper PA-23-250 (6PCLM) |
Fixed-wing, multi-engine | Pacific Fleet Aviation LLC Rochester, New York |
Standard | 2021-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N1715Y | Piper PA-23-250 |
Fixed-wing, multi-engine | Pacific Fleet Aviation LLC Rochester, New York |
Special flight permit | 2021-05-24 | ValidFAA registration status code V: Valid registration. All codes |
| N52WW | Piper PA-23-250 |
Fixed-wing, multi-engine | Pacific Fleet Aviation LLC Rochester, New York |
Special flight permit | 2021-05-24 | ValidFAA registration status code V: Valid registration. All codes |
| N420LK | Klein Lawrence B VANS RV-10 |
Fixed-wing, single engine | Withheld at owner's request | Experimental | 2021-05-20 | ValidFAA registration status code V: Valid registration. All codes |
| N907PM | Paul Minelga BEARHAWK |
Fixed-wing, single engine | Minelga Paul Soldotna, Alaska |
Experimental | 2021-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N747MJ | John J Smokovitz SMOKOVITZ SKYBOLT |
Fixed-wing, single engine | Individual owner Tennessee |
Experimental | 2021-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N65DF | Piper PA-23-250 |
Fixed-wing, multi-engine | Aerospace Trust Management LLC Trustee Wilmington, Delaware |
Standard | 2021-03-02 | ValidFAA registration status code V: Valid registration. All codes |
| N62553 | Piper PA-23-250 |
Fixed-wing, multi-engine | Pacific Fleet Aviation LLC Rochester, New York |
Standard | 2021-02-11 | ValidFAA registration status code V: Valid registration. All codes |
| N708JS | Jerry E Scott SCOTT ROCKET |
Fixed-wing, single engine | Individual owner Utah |
Experimental | 2021-01-26 | ValidFAA registration status code V: Valid registration. All codes |
| N517AT | Austin Andrew J RV-10 |
Fixed-wing, single engine | Individual owner California |
Experimental | 2021-01-06 | ValidFAA registration status code V: Valid registration. All codes |
| N138LG | Marvin L Gardner Ii F1 ROCKET |
Fixed-wing, single engine | Rocket Aero LLC Addison, Texas |
Experimental | 2020-12-17 | ValidFAA registration status code V: Valid registration. All codes |
| N917CM | Michael J Karaszewski VANS RV-10 |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2020-12-02 | ValidFAA registration status code V: Valid registration. All codes |
| N96KE | Robert Keith Estapa VANS RV-10 |
Fixed-wing, single engine | Abb Aviation LLC Hammond, Louisiana |
Experimental | 2020-11-16 | ValidFAA registration status code V: Valid registration. All codes |
| N112LR | Razzi Leonard F Jr STP STDSTR TOO SA300 |
Fixed-wing, single engine | Individual owner Pennsylvania |
Experimental | 2020-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N6739G | Roberts Dennis B RV-7 |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2020-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N156HR | Hansen Charles HARMON ROCKET |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2020-07-20 | ValidFAA registration status code V: Valid registration. All codes |
| N540DA | Dustin Smith COZY MARK IV |
Fixed-wing, single engine | Individual owner Utah |
Experimental | 2020-07-20 | ValidFAA registration status code V: Valid registration. All codes |
| N1249V | Piper PA-23-250 (6PCLM) |
Fixed-wing, multi-engine | Individual owner Massachusetts |
Standard | 2020-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N833DB | Blaise Kenny S HARMON ROCKET II |
Fixed-wing, single engine | Turbo Property LLC Clovis, California |
Experimental | 2020-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N412BC | Robert F Crooks RV 10 |
Fixed-wing, single engine | Co-owned owner California |
Experimental | 2020-04-14 | ValidFAA registration status code V: Valid registration. All codes |
| N130YD | Boyd William E Jr VANS AIRCRAFT RV-10 |
Fixed-wing, single engine | Individual owner Virginia |
Experimental | 2020-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N247G | Hanson James A ROCKET II |
Fixed-wing, single engine | Individual owner Oregon |
Experimental | 2020-03-19 | ValidFAA registration status code V: Valid registration. All codes |
| N1107R | Donald E Runaas RUNAAS ONE |
Fixed-wing, single engine | Individual owner Tennessee |
Experimental | 2020-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N653DF | Rick Huebner RV10 |
Fixed-wing, single engine | Rv 10 LLC Kalispell, Montana |
Experimental | 2020-02-14 | ValidFAA registration status code V: Valid registration. All codes |
| N63AZ | Nadig Richard E RV-4R |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2020-01-10 | ValidFAA registration status code V: Valid registration. All codes |
| N251EA | Piper PA-23-250 |
Fixed-wing, multi-engine | Withheld at owner's request | Standard | 2019-12-23 | ValidFAA registration status code V: Valid registration. All codes |
| N410TJ | Brian D Weselmann RV-10 |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2019-12-16 | ValidFAA registration status code V: Valid registration. All codes |
| N719HH | Jones Curtis E MURPHY SR-2500 |
Fixed-wing, single engine | Individual owner Oregon |
Experimental | 2019-11-04 | ValidFAA registration status code V: Valid registration. All codes |
| N312F | Combs James Lee RV-10 |
Fixed-wing, single engine | Three One Two Foxtrot LLC Lexington, Kentucky |
Experimental | 2019-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N888GR | Rudolph Gary RUDOLPH ROCKET |
Fixed-wing, single engine | Individual owner Maine |
Experimental | 2019-07-16 | ValidFAA registration status code V: Valid registration. All codes |
| N110GS | Scherrer Glenn R RV10 |
Fixed-wing, single engine | Gcb LLC Kalispell, Montana |
Experimental | 2019-06-19 | ValidFAA registration status code V: Valid registration. All codes |
Page 1 of 2
Next
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.