Lycoming IO-540-AE1A5
1,037 aircraft on the U.S. register carry a Lycoming IO-540-AE1A5 engine, rated at about 260 horsepower. The Robinson R44 is the model most often fitted with it (1,037 aircraft). The aircraft carrying it were built between 2003 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-AE1A5. FAA spelling: IO-540-AE1A5.
Where they are owner's state
Texas160Delaware95Alaska73Florida68California67Montana44Oklahoma27Illinois26Arizona26Utah23
Kind of aircraft
Helicopters1,037 (100%)
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Lycoming IO-540-AE1A5 the component layer
No FAA order in the current files names this engine series. Operators and repair shops have filed 924 failure reports with the FAA since 1995, 249 of them in the last ten years.
Failure reports 924 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Pump115Tachometer62Servo55Starter51Magneto42Starter Gen40Bearing32Controller24Reservoir24Actuator22
Latest reports
2026-06-22Pump: inoperative
2025-12-05Cylinder: scored
2024-03-01Boot: cracked
2023-10-19Warning Unit: defective
2023-10-17Muffler: distorted
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how this engine series links to the rest of the register
Fitted to
- Robinson R44 1,037 with this engine series
Where they are
- Texas 160 of these aircraft
- Delaware 95 of these aircraft
- Alaska 73 of these aircraft
- Florida 68 of these aircraft
- California 67 of these aircraft
Biggest operators
- Spitzer Helicopter LLC 17 of these aircraft
- Southern Utah University 15 of these aircraft
- Sky Helicopters INC 12 of these aircraft
- Aircraft Guaranty CORP Trustee 11 of these aircraft
- Sky Solutions LLC 9 of these aircraft
Airworthiness
- Failure reports on the Lycoming IO-540-AE1A5 924 reports since 1995
Analytics
These connections as data: /graph/engine/lycoming-io-540-ae1a5.json · about the eFlight graph.
Aircraft newest certificates first · 1,037
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N244PK | Robinson Helicopter R44 II |
Helicopter | Texas Specialty Hunts INC San Angelo, Texas |
Standard | 2024-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N4149X | Robinson Helicopter R44 II |
Helicopter | Cyclic LLC Kalispell, Montana |
Standard | 2024-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N71010 | Robinson Helicopter R44 II |
Helicopter | Axel Aviation INC Roswell, Georgia |
Standard | 2024-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N744AH | Robinson Helicopter R44 II |
Helicopter | Jets To Helis LLC DBA Chandler, Arizona |
Standard | 2024-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N712PC | Robinson Helicopter R44 II |
Helicopter | Holt Helicopters INC Uvalde, Texas |
Multiple | 2024-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N869RM | Robinson Helicopter R44 II |
Helicopter | Premier Legacy Aviation LLC Lewes, Delaware |
Standard | 2024-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N440RH | Robinson Helicopter R44 II |
Helicopter | Airtrust LLC - 12 - Series 12 Trustee Sheridan, Wyoming |
Standard | 2024-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N442PP | Robinson Helicopter R44 II |
Helicopter | Wilco Helicopters INC Oregon, Illinois |
Standard | 2024-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N1329T | Robinson Helicopter R44 II |
Helicopter | Piper Electric INC Deer Park, New York |
Standard | 2024-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N17ZE | Robinson Helicopter R44 II |
Helicopter | Alpha Aviation LLC Anchorage, Alaska |
Standard | 2024-08-20 | ValidFAA registration status code V: Valid registration. All codes |
| N344BH | Robinson Helicopter R44 II |
Helicopter | Black Hills Aviation Leasing LLC Rapid City, South Dakota |
Standard | 2024-08-19 | ValidFAA registration status code V: Valid registration. All codes |
| N488AC | Robinson Helicopter R44 II |
Helicopter | Austin Peay State University Clarksville, Tennessee |
Standard | 2024-08-19 | ValidFAA registration status code V: Valid registration. All codes |
| N44997 | Robinson Helicopter R44 II |
Helicopter | Faulkner 44 LLC Wilmington, Delaware |
Restricted | 2024-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N95KZ | Robinson Helicopter R44 II |
Helicopter | Fly Ofa LLC Chandler, Arizona |
Standard | 2024-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N212WT | Robinson Helicopter R44 II |
Helicopter | Helixperience CORP Doral, Florida |
Standard | 2024-08-07 | ValidFAA registration status code V: Valid registration. All codes |
| N7083M | Robinson Helicopter R44 II |
Helicopter | Ckz Ventures LLC Anchorage, Alaska |
Standard | 2024-08-05 | ValidFAA registration status code V: Valid registration. All codes |
| N433LM | Robinson Helicopter R44 II |
Helicopter | Individual owner Texas |
Standard | 2024-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N355AK | Robinson Helicopter R44 II |
Helicopter | Aris Aviation Group LLC Henderson, Nevada |
Standard | 2024-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N356AK | Robinson Helicopter R44 II |
Helicopter | Aris Aviation Group LLC Henderson, Nevada |
Standard | 2024-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N785AK | Robinson Helicopter R44 II |
Helicopter | Alpha Aviation LLC Anchorage, Alaska |
Standard | 2024-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N767AD | Robinson Helicopter R44 II |
Helicopter | Individual owner | Standard | 2024-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N786AK | Robinson Helicopter R44 II |
Helicopter | Alpha Aviation LLC Anchorage, Alaska |
Standard | 2024-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N7033E | Robinson Helicopter R44 II |
Helicopter | Heritage Construction CO LLC Austin, Texas |
Standard | 2024-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N944GS | Robinson Helicopter R44 II |
Helicopter | Red River Ranch LLC Wilmington, Delaware |
Standard | 2024-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N324CA | Robinson Helicopter R44 II |
Helicopter | Drakes Landing INC Archibald, Louisiana |
Standard | 2024-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N516RJ | Robinson Helicopter R44 II |
Helicopter | Romeo Juliet LLC Anaconda, Montana |
Standard | 2024-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N641RT | Robinson Helicopter R44 II |
Helicopter | Individual owner North Carolina |
Standard | 2024-07-03 | ValidFAA registration status code V: Valid registration. All codes |
| N508HS | Robinson Helicopter R44 II |
Helicopter | Blue Chase LLC Wilmington, Delaware |
Standard | 2024-06-30 | ValidFAA registration status code V: Valid registration. All codes |
| N74365 | Robinson Helicopter R44 II |
Helicopter | Individual owner Texas |
Standard | 2024-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N50ES | Robinson Helicopter R44 II |
Helicopter | Individual owner Connecticut |
Standard | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N7090J | Robinson Helicopter R44 II |
Helicopter | Jk Air LLC Cherryville, North Carolina |
Standard | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N405PH | Robinson Helicopter R44 II |
Helicopter | Flap-Air Helicopter Service INC Canadian, Texas |
Standard | 2024-06-11 | ValidFAA registration status code V: Valid registration. All codes |
| N572BC | Robinson Helicopter R44 II |
Helicopter | T & D Ironhorse LLC Tampa, Florida |
Standard | 2024-06-10 | ValidFAA registration status code V: Valid registration. All codes |
| N922PP | Robinson Helicopter R44 II |
Helicopter | Directional Holdings LLC Missoula, Montana |
Standard | 2024-06-09 | ValidFAA registration status code V: Valid registration. All codes |
| N441LM | Robinson Helicopter R44 II |
Helicopter | Land of Indiana INC Bedford, Indiana |
Standard | 2024-06-08 | ValidFAA registration status code V: Valid registration. All codes |
| N12RH | Robinson Helicopter R44 II |
Helicopter | Lead Aviation Fl1 LLC Osprey, Florida |
Standard | 2024-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N365MS | Robinson Helicopter R44 II |
Helicopter | Maloney Leasing LLC Tupelo, Mississippi |
Standard | 2024-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N633JS | Robinson Helicopter R44 II |
Helicopter | Jak2 Properties LLC Ocala, Florida |
Standard | 2024-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N867MP | Robinson Helicopter R44 II |
Helicopter | Mainstream Aviation LLC Benton, Kentucky |
Standard | 2024-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N15HP | Robinson Helicopter R44 II |
Helicopter | Coastal Helicopters INC Ocracoke, North Carolina |
Standard | 2024-06-03 | ValidFAA registration status code V: Valid registration. All codes |
| N569TL | Robinson Helicopter R44 II |
Helicopter | Co-owned owner Alaska |
Standard | 2024-05-30 | ValidFAA registration status code V: Valid registration. All codes |
| N144RH | Robinson Helicopter R44 II |
Helicopter | Riada INC Newport Beach, California |
Standard | 2024-05-28 | ValidFAA registration status code V: Valid registration. All codes |
| N584RH | Robinson Helicopter R44 II |
Helicopter | Mile High Rotors INC Indian Hills, Colorado |
Standard | 2024-05-26 | ValidFAA registration status code V: Valid registration. All codes |
| N724H | Robinson Helicopter R44 II |
Helicopter | Wheels In the Well LLC Jonesboro, Arkansas |
Standard | 2024-05-25 | ValidFAA registration status code V: Valid registration. All codes |
| N272DW | Robinson Helicopter R44 II |
Helicopter | Bb Wetlands LLC Winter Haven, Florida |
Standard | 2024-05-22 | ValidFAA registration status code V: Valid registration. All codes |
| N73GC | Robinson Helicopter R44 II |
Helicopter | Whiskey Wagon Ranch LLC Granbury, Texas |
Standard | 2024-05-21 | ValidFAA registration status code V: Valid registration. All codes |
| N710BM | Robinson Helicopter R44 II |
Helicopter | Rotor Aviation LLC West Hartford, Connecticut |
Standard | 2024-05-17 | ValidFAA registration status code V: Valid registration. All codes |
| N162SU | Robinson Helicopter R44 II |
Helicopter | Southern Utah University Cedar City, Utah |
Standard | 2024-05-11 | ValidFAA registration status code V: Valid registration. All codes |
| N164SU | Robinson Helicopter R44 II |
Helicopter | Southern Utah University Cedar City, Utah |
Standard | 2024-05-11 | ValidFAA registration status code V: Valid registration. All codes |
| N161SU | Robinson Helicopter R44 II |
Helicopter | Southern Utah University Cedar City, Utah |
Standard | 2024-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N163SU | Robinson Helicopter R44 II |
Helicopter | Southern Utah University Cedar City, Utah |
Standard | 2024-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N469TL | Robinson Helicopter R44 II |
Helicopter | Sky Solutions LLC Detroit, Michigan |
Standard | 2024-05-04 | ValidFAA registration status code V: Valid registration. All codes |
| N919LC | Robinson Helicopter R44 II |
Helicopter | Individual owner Arizona |
Standard | 2024-05-04 | ValidFAA registration status code V: Valid registration. All codes |
| N422TS | Robinson Helicopter R44 II |
Helicopter | Front Range Heli INC Erie, Colorado |
Standard | 2024-05-03 | ValidFAA registration status code V: Valid registration. All codes |
| N244WA | Robinson Helicopter R44 II |
Helicopter | Mistretta Farms LLC Baton Rouge, Louisiana |
Standard | 2024-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N101SU | Robinson Helicopter R44 II |
Helicopter | Southern Utah University Cedar City, Utah |
Standard | 2024-04-29 | ValidFAA registration status code V: Valid registration. All codes |
| N123SU | Robinson Helicopter R44 II |
Helicopter | Southern Utah University Cedar City, Utah |
Standard | 2024-04-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3971 | Robinson Helicopter R44 II |
Helicopter | Dick Holdings LLC Merritt Island, Florida |
Standard | 2024-04-25 | ValidFAA registration status code V: Valid registration. All codes |
| N400PF | Robinson Helicopter R44 II |
Helicopter | H Richardson & Sons LLC Ogdensburg, New York |
Standard | 2024-04-25 | ValidFAA registration status code V: Valid registration. All codes |
| N69LB | Robinson Helicopter R44 II |
Helicopter | Crc Aviation LLC Leander, Texas |
Standard | 2024-04-25 | ValidFAA registration status code V: Valid registration. All codes |
| N915HG | Robinson Helicopter R44 II |
Helicopter | R44 Leasing LLC Anchorage, Alaska |
Standard | 2024-04-17 | ValidFAA registration status code V: Valid registration. All codes |
| N225AM | Robinson Helicopter R44 II |
Helicopter | Nordwald Aviation Services LLC Mexico, Missouri |
Multiple | 2024-04-15 | ValidFAA registration status code V: Valid registration. All codes |
| N7081N | Robinson Helicopter R44 II |
Helicopter | Brookway Aviation LLC Brookhaven, Mississippi |
Standard | 2024-04-15 | ValidFAA registration status code V: Valid registration. All codes |
| N197BJ | Robinson Helicopter R44 II |
Helicopter | Chavi LLC Fredericksburg, Texas |
Standard | 2024-04-13 | ValidFAA registration status code V: Valid registration. All codes |
| N4052M | Robinson Helicopter R44 II |
Helicopter | Kroeplin Air LLC Highmore, South Dakota |
Standard | 2024-04-13 | ValidFAA registration status code V: Valid registration. All codes |
| N4493X | Robinson Helicopter R44 II |
Helicopter | Individual owner Alaska |
Standard | 2024-04-11 | ValidFAA registration status code V: Valid registration. All codes |
| N332WB | Robinson Helicopter R44 II |
Helicopter | Individual owner Texas |
Standard | 2024-04-10 | ValidFAA registration status code V: Valid registration. All codes |
| N26BX | Robinson Helicopter R44 II |
Helicopter | Peak Performance Helicopters LLC Dover, Delaware |
Standard | 2024-04-04 | ValidFAA registration status code V: Valid registration. All codes |
| N92ME | Robinson Helicopter R44 II |
Helicopter | Airplane Ventures LLC Carrollton, Texas |
Standard | 2024-04-04 | ValidFAA registration status code V: Valid registration. All codes |
| N49007 | Robinson Helicopter R44 II |
Helicopter | N49007 LLC Wasilla, Alaska |
Standard | 2024-04-02 | ValidFAA registration status code V: Valid registration. All codes |
| N784AK | Robinson Helicopter R44 II |
Helicopter | R44 Leasing LLC Anchorage, Alaska |
Standard | 2024-03-29 | ValidFAA registration status code V: Valid registration. All codes |
| N521JV | Robinson Helicopter R44 II |
Helicopter | Cardinal Enterprise LLC Jackson, Wyoming |
Standard | 2024-03-27 | ValidFAA registration status code V: Valid registration. All codes |
| N2345C | Robinson Helicopter R44 II |
Helicopter | Gl Heli LLC Hazelwood, Missouri |
Standard | 2024-03-25 | ValidFAA registration status code V: Valid registration. All codes |
| N196DM | Robinson Helicopter R44 II |
Helicopter | Benitez Aviation INC San Juan, Puerto Rico |
Standard | 2024-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N456MH | Robinson Helicopter R44 II |
Helicopter | Quality Coal LLC Mount Sterling, Kentucky |
Standard | 2024-03-15 | ValidFAA registration status code V: Valid registration. All codes |
| N584CC | Robinson Helicopter R44 II |
Helicopter | Heliflights Leasing LLC Brick, New Jersey |
Standard | 2024-03-15 | ValidFAA registration status code V: Valid registration. All codes |
| N531AT | Robinson Helicopter R44 II |
Helicopter | R44 Leasing LLC Anchorage, Alaska |
Standard | 2024-03-14 | ValidFAA registration status code V: Valid registration. All codes |
| N61MM | Robinson Helicopter R44 II |
Helicopter | Cbhelos LLC Chesapeake, Virginia |
Standard | 2024-03-14 | ValidFAA registration status code V: Valid registration. All codes |
| N782AK | Robinson Helicopter R44 II |
Helicopter | R44 Leasing LLC Anchorage, Alaska |
Standard | 2024-03-14 | ValidFAA registration status code V: Valid registration. All codes |
| N153LA | Robinson Helicopter R44 II |
Helicopter | Carolina Mobile Storage LLC Prestonsburg, Kentucky |
Standard | 2024-03-08 | ValidFAA registration status code V: Valid registration. All codes |
| N54ET | Robinson Helicopter R44 II |
Helicopter | Jhet Mt Holdings LLC Helena, Montana |
Standard | 2024-03-07 | ValidFAA registration status code V: Valid registration. All codes |
| N406DL | Robinson Helicopter R44 II |
Helicopter | Non-Stop Enterprises LLC Canoga Park, California |
Standard | 2024-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N257MT | Robinson Helicopter R44 II |
Helicopter | Whirly Girl LLC Starkville, Mississippi |
Standard | 2024-03-03 | ValidFAA registration status code V: Valid registration. All codes |
| N7047K | Robinson Helicopter R44 II |
Helicopter | Sierra Sky Aviation LLC Kalispell, Montana |
Standard | 2024-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N644WB | Robinson Helicopter R44 II |
Helicopter | Wayne Mogg INC Rossmoor, California |
Standard | 2024-02-25 | ValidFAA registration status code V: Valid registration. All codes |
| N68CG | Robinson Helicopter R44 II |
Helicopter | Waterwings Seaplanes LLC Hoover, Alabama |
Standard | 2024-02-24 | ValidFAA registration status code V: Valid registration. All codes |
| N514SC | Robinson Helicopter R44 II |
Helicopter | Sundance Aero LLC Mertzon, Texas |
Standard | 2024-02-23 | ValidFAA registration status code V: Valid registration. All codes |
| N907RB | Robinson Helicopter R44 II |
Helicopter | Sunrise Aero LLC Nikiski, Alaska |
Standard | 2024-02-22 | ValidFAA registration status code V: Valid registration. All codes |
| N25XW | Robinson Helicopter R44 II |
Helicopter | 6R Aviation LLC Aspermont, Texas |
Standard | 2024-02-14 | ValidFAA registration status code V: Valid registration. All codes |
| N777X | Robinson Helicopter R44 II |
Helicopter | Red River Ranch LLC Wilmington, Delaware |
Standard | 2024-02-14 | ValidFAA registration status code V: Valid registration. All codes |
| N8YL | Robinson Helicopter R44 II |
Helicopter | Hn Aviation LLC Mooresville, North Carolina |
Standard | 2024-02-04 | ValidFAA registration status code V: Valid registration. All codes |
| N844AF | Robinson Helicopter R44 II |
Helicopter | Altitude Assets LLC Dover, Delaware |
Standard | 2024-02-01 | ValidFAA registration status code V: Valid registration. All codes |
| N204TV | Robinson Helicopter R44 II |
Helicopter | Scott C Fuller Development LLC Moultonborough, New Hampshire |
Standard | 2024-01-31 | ValidFAA registration status code V: Valid registration. All codes |
| N233WT | Robinson Helicopter R44 II |
Helicopter | Raven II LLC Belgrade, Montana |
Standard | 2024-01-31 | ValidFAA registration status code V: Valid registration. All codes |
| N7103D | Robinson Helicopter R44 II |
Helicopter | Sumner Properties LLC Somersworth, New Hampshire |
Standard | 2024-01-30 | ValidFAA registration status code V: Valid registration. All codes |
| N277PD | Robinson Helicopter R44 II |
Helicopter | Controlthings LLC Hurricane, Utah |
Standard | 2024-01-28 | ValidFAA registration status code V: Valid registration. All codes |
| N373DC | Robinson Helicopter R44 II |
Helicopter | 3D Capture LLC Lumberton, Texas |
Standard | 2024-01-25 | ValidFAA registration status code V: Valid registration. All codes |
| N410AF | Robinson Helicopter R44 II |
Helicopter | Jm Aviation II LLC Little Falls, Minnesota |
Standard | 2024-01-25 | ValidFAA registration status code V: Valid registration. All codes |
| N155MG | Robinson Helicopter R44 II |
Helicopter | Veracity Aviation LLC Seguin, Texas |
Standard | 2024-01-23 | ValidFAA registration status code V: Valid registration. All codes |
| N868MP | Robinson Helicopter R44 II |
Helicopter | Bh Aviation LLC Jackson, Tennessee |
Standard | 2024-01-18 | ValidFAA registration status code V: Valid registration. All codes |
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.