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 |
|---|---|---|---|---|---|---|
| N524HR | Robinson Helicopter R44 II |
Helicopter | Individual owner Texas |
Standard | 2024-01-15 | ValidFAA registration status code V: Valid registration. All codes |
| N108EH | Robinson Helicopter R44 II |
Helicopter | Polar Star CORP Kalispell, Montana |
Standard | 2024-01-14 | ValidFAA registration status code V: Valid registration. All codes |
| N458DB | Robinson Helicopter R44 II |
Helicopter | Pelican View LLC Slidell, Louisiana |
Standard | 2024-01-09 | ValidFAA registration status code V: Valid registration. All codes |
| N744TL | Robinson Helicopter R44 II |
Helicopter | Echo Delta Aviation LLC Okeechobee, Florida |
Standard | 2024-01-06 | ValidFAA registration status code V: Valid registration. All codes |
| N6462Y | Robinson Helicopter R44 II |
Helicopter | Salyards Aviation LLC Whitehouse, Texas |
Standard | 2024-01-04 | ValidFAA registration status code V: Valid registration. All codes |
| N697RM | Robinson Helicopter R44 II |
Helicopter | Mile High Rotors INC Indian Hills, Colorado |
Standard | 2024-01-01 | ValidFAA registration status code V: Valid registration. All codes |
| N251LF | Robinson Helicopter R44 II |
Helicopter | Tja Aviation LLC Miami, Florida |
Standard | 2023-12-31 | ValidFAA registration status code V: Valid registration. All codes |
| N4057S | Robinson Helicopter R44 II |
Helicopter | Valley View LLC Dover, Delaware |
Standard | 2023-12-30 | ValidFAA registration status code V: Valid registration. All codes |
| N744PB | Robinson Helicopter R44 II |
Helicopter | Straight and Level INC Harwich, Massachusetts |
Standard | 2023-12-29 | ValidFAA registration status code V: Valid registration. All codes |
| N233LM | Robinson Helicopter R44 II |
Helicopter | Wayne Four LLC Sugar Land, Texas |
Standard | 2023-12-26 | ValidFAA registration status code V: Valid registration. All codes |
| N66HV | Robinson Helicopter R44 II |
Helicopter | Zibby Air LLC Dover, Delaware |
Standard | 2023-12-21 | ValidFAA registration status code V: Valid registration. All codes |
| N928DV | Robinson Helicopter R44 II |
Helicopter | Individual owner Tennessee |
Standard | 2023-12-19 | ValidFAA registration status code V: Valid registration. All codes |
| N1086B | Robinson Helicopter R44 II |
Helicopter | State of Alaska Anchorage, Alaska |
Standard | 2023-12-18 | ValidFAA registration status code V: Valid registration. All codes |
| N4466 | Robinson Helicopter R44 II |
Helicopter | Nordwald Aviation Services LLC Mexico, Missouri |
Multiple | 2023-12-18 | ValidFAA registration status code V: Valid registration. All codes |
| N331EL | Robinson Helicopter R44 II |
Helicopter | Nantucket Helicopters LLC Nantucket, Massachusetts |
Standard | 2023-12-17 | ValidFAA registration status code V: Valid registration. All codes |
| N444JY | Robinson Helicopter R44 II |
Helicopter | Individual owner Montana |
Standard | 2023-12-13 | ValidFAA registration status code V: Valid registration. All codes |
| N344MT | Robinson Helicopter R44 II |
Helicopter | Palomino Creek LLC Missoula, Montana |
Standard | 2023-12-11 | ValidFAA registration status code V: Valid registration. All codes |
| N62CD | Robinson Helicopter R44 II |
Helicopter | Savant Aviation LLC Kinder, Louisiana |
Standard | 2023-12-01 | ValidFAA registration status code V: Valid registration. All codes |
| N997VA | Robinson Helicopter R44 II |
Helicopter | Olioni Aviation LLC Palo Alto, California |
Standard | 2023-12-01 | ValidFAA registration status code V: Valid registration. All codes |
| N344PC | Robinson Helicopter R44 II |
Helicopter | Florida Cap Property Management Services LLC Fort Lauderdale, Florida |
Standard | 2023-11-30 | ValidFAA registration status code V: Valid registration. All codes |
| N439LL | Robinson Helicopter R44 II |
Helicopter | Holseberg Aviation LLC Ridgeville, South Carolina |
Standard | 2023-11-28 | ValidFAA registration status code V: Valid registration. All codes |
| N323WT | Robinson Helicopter R44 II |
Helicopter | Services By Pps INC St George, Utah |
Standard | 2023-11-21 | ValidFAA registration status code V: Valid registration. All codes |
| N3402 | Robinson Helicopter R44 II |
Helicopter | Individual owner Florida |
Standard | 2023-11-21 | ValidFAA registration status code V: Valid registration. All codes |
| N1092C | Robinson Helicopter R44 II |
Helicopter | State of Alaska Department of Public Safety Anchorage, Alaska |
Standard | 2023-11-20 | ValidFAA registration status code V: Valid registration. All codes |
| N430LR | Robinson Helicopter R44 II |
Helicopter | Lee Aviation Services LLC Wilson, North Carolina |
Standard | 2023-11-19 | ValidFAA registration status code V: Valid registration. All codes |
| N52BG | Robinson Helicopter R44 II |
Helicopter | Jax Transport LLC Amarillo, Texas |
Standard | 2023-11-16 | ValidFAA registration status code V: Valid registration. All codes |
| N844BS | Robinson Helicopter R44 II |
Helicopter | Aerometrics Research LLC Lewes, Delaware |
Standard | 2023-11-13 | ValidFAA registration status code V: Valid registration. All codes |
| N960SR | Robinson Helicopter R44 II |
Helicopter | Big Rock Amusements LLC Venice, Florida |
Standard | 2023-11-10 | ValidFAA registration status code V: Valid registration. All codes |
| N644MC | Robinson Helicopter R44 II |
Helicopter | Tj Aviation LLC Blackfoot, Idaho |
Standard | 2023-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N831H | Robinson Helicopter R44 II |
Helicopter | November Alpha LLC Dover, Delaware |
Standard | 2023-10-30 | ValidFAA registration status code V: Valid registration. All codes |
| N720CM | Robinson Helicopter R44 II |
Helicopter | Cooper Mountain Ranch LLC Snyder, Texas |
Standard | 2023-10-28 | ValidFAA registration status code V: Valid registration. All codes |
| N1273 | Robinson Helicopter R44 II |
Helicopter | Taf Investments LLC Doraville, Georgia |
Standard | 2023-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N644KP | Robinson Helicopter R44 II |
Helicopter | Ranger Lumber CORP Springfield, Massachusetts |
Standard | 2023-10-25 | ValidFAA registration status code V: Valid registration. All codes |
| N74EH | Robinson Helicopter R44 II |
Helicopter | Individual owner Texas |
Standard | 2023-10-20 | ValidFAA registration status code V: Valid registration. All codes |
| N144KW | Robinson Helicopter R44 |
Helicopter | Aloha Helicopter Tours LLC Lihue, Hawaii |
Standard | 2023-10-19 | ValidFAA registration status code V: Valid registration. All codes |
| N917LC | Robinson Helicopter R44 II |
Helicopter | Coffey Fx Delivery INC Lincoln, Nebraska |
Standard | 2023-10-18 | ValidFAA registration status code V: Valid registration. All codes |
| N129ES | Robinson Helicopter R44 II |
Helicopter | Whirlybird Aviation LLC Naples, Idaho |
Standard | 2023-10-17 | ValidFAA registration status code V: Valid registration. All codes |
| N4529X | Robinson Helicopter R44 II |
Helicopter | Ryan Flatt Cattle CO Marfa, Texas |
Standard | 2023-10-17 | ValidFAA registration status code V: Valid registration. All codes |
| N6960 | Robinson Helicopter R44 II |
Helicopter | Helifun Expeditions LLC Kalispell, Montana |
Standard | 2023-10-12 | ValidFAA registration status code V: Valid registration. All codes |
| N372WB | Robinson Helicopter R44 II |
Helicopter | Cornelia Adair LLC Amarillo, Texas |
Standard | 2023-10-09 | ValidFAA registration status code V: Valid registration. All codes |
| N444BU | Robinson Helicopter R44 II |
Helicopter | Helifun Expeditions LLC Kalispell, Montana |
Standard | 2023-10-05 | ValidFAA registration status code V: Valid registration. All codes |
| N536SH | Robinson Helicopter R44 II |
Helicopter | Central Ky AG Air LLC Harrodsburg, Kentucky |
Restricted | 2023-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N440DK | Robinson Helicopter R44 II |
Helicopter | Citation Companeros LLC Seguin, Texas |
Standard | 2023-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N96SK | Robinson Helicopter R44 II |
Helicopter | Rotor-Head LLC Owasso, Oklahoma |
Standard | 2023-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N7086Y | Robinson Helicopter R44 II |
Helicopter | Bp-Residential LLC Addison, Texas |
Standard | 2023-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3119K | Robinson Helicopter R44 II |
Helicopter | Hangar 21 Aviation INC Lake Havasu City, Arizona |
Standard | 2023-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N20DD | Robinson Helicopter R44 II |
Helicopter | Individual owner Illinois |
Standard | 2023-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N3061E | Robinson Helicopter R44 II |
Helicopter | Rim Rock Ranch LLC Dover, Delaware |
Standard | 2023-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N644PC | Robinson Helicopter R44 II |
Helicopter | Heliflights LLC Rahway, New Jersey |
Standard | 2023-08-18 | ValidFAA registration status code V: Valid registration. All codes |
| N1695X | Robinson Helicopter R44 II |
Helicopter | Idaho Dunes Holdings LLC St Anthony, Idaho |
Standard | 2023-08-17 | ValidFAA registration status code V: Valid registration. All codes |
| N244CR | Robinson Helicopter R44 II |
Helicopter | Chiponna Ranch LLC Surprise, Arizona |
Standard | 2023-08-15 | ValidFAA registration status code V: Valid registration. All codes |
| N227J | Robinson Helicopter R44 II |
Helicopter | Individual owner Alaska |
Standard | 2023-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N4218K | Robinson Helicopter R44 II |
Helicopter | Parker Helicopters INC Watsonville, California |
Standard | 2023-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N721JR | Robinson Helicopter R44 II |
Helicopter | Dakma LLC Parma, Ohio |
Standard | 2023-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N31419 | Robinson Helicopter R44 II |
Helicopter | North Fork Helicopters LTD Cutchogue, New York |
Restricted | 2023-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N123MP | Robinson Helicopter R44 II |
Helicopter | Prairie River Farm INC Watertown, South Dakota |
Standard | 2023-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N406RJ | Robinson Helicopter R44 II |
Helicopter | Skywest Aviation INC Trustee Albuquerque, New Mexico |
Standard | 2023-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N629WT | Robinson Helicopter R44 II |
Helicopter | Midwest Aircraft Sales LLC Lincoln, Nebraska |
Standard | 2023-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N814SC | Robinson Helicopter R44 II |
Helicopter | Metroplex Flight Services LLC Fort Worth, Texas |
Experimental | 2023-07-12 | ValidFAA registration status code V: Valid registration. All codes |
| N553JB | Robinson Helicopter R44 II |
Helicopter | Helicopter Institute INC Fort Worth, Texas |
Standard | 2023-07-11 | ValidFAA registration status code V: Valid registration. All codes |
| N357TL | Robinson Helicopter R44 II |
Helicopter | Rancho Bonito Livestock INC Menard, Texas |
Standard | 2023-07-09 | ValidFAA registration status code V: Valid registration. All codes |
| N671EM | Robinson Helicopter R44 II |
Helicopter | Individual owner Oregon |
Standard | 2023-07-09 | ValidFAA registration status code V: Valid registration. All codes |
| N830FM | Robinson Helicopter R44 II |
Helicopter | Black Dog Helicopters LLC Ocean Isle Beach, North Carolina |
Standard | 2023-07-01 | ValidFAA registration status code V: Valid registration. All codes |
| N370BB | Robinson Helicopter R44 II |
Helicopter | Buffalo Biodiesel INC Tonawanda, New York |
Standard | 2023-06-29 | ValidFAA registration status code V: Valid registration. All codes |
| N485SL | Robinson Helicopter R44 II |
Helicopter | Plrg LLC Wilmington, Delaware |
Standard | 2023-06-29 | ValidFAA registration status code V: Valid registration. All codes |
| N587DE | Robinson Helicopter R44 II |
Helicopter | Alpine Air Alaska LLC Girdwood, Alaska |
Standard | 2023-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N977AZ | Robinson Helicopter R44 II |
Helicopter | Mb Powers INC Thompsons Station, Tennessee |
Standard | 2023-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N244GG | Robinson Helicopter R44 II |
Helicopter | R44 Aircraft Leasing LLC Tampa, Florida |
Standard | 2023-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N4213X | Robinson Helicopter R44 II |
Helicopter | AG Farmacy Applications LLC Erie, Illinois |
Multiple | 2023-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N715KF | Robinson Helicopter R44 II |
Helicopter | Spitzer Helicopter LLC Wilmington, Delaware |
Standard | 2023-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N323TT | Robinson Helicopter R44 II |
Helicopter | Rtw Adventures LLC Post Falls, Idaho |
Standard | 2023-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N369AT | Robinson Helicopter R44 II |
Helicopter | Jogger Industries LLC Sherwood, North Dakota |
Standard | 2023-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N616NW | Robinson Helicopter R44 II |
Helicopter | Ngw Executive Transport LP Wimauma, Florida |
Standard | 2023-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N590H | Robinson Helicopter R44 II |
Helicopter | Individual owner Oregon |
Standard | 2023-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N744ME | Robinson Helicopter R44 II |
Helicopter | J & D Concepts LLC Phoenix, Arizona |
Standard | 2023-06-15 | ValidFAA registration status code V: Valid registration. All codes |
| N417PK | Robinson Helicopter R44 II |
Helicopter | Individual owner New Hampshire |
Standard | 2023-06-11 | ValidFAA registration status code V: Valid registration. All codes |
| N446TC | Robinson Helicopter R44 II |
Helicopter | Chena River Aviation INC Fairbanks, Alaska |
Standard | 2023-06-08 | ValidFAA registration status code V: Valid registration. All codes |
| N367LA | Robinson Helicopter R44 II |
Helicopter | Lead Aviation Fl3 LLC Osprey, Florida |
Standard | 2023-06-07 | ValidFAA registration status code V: Valid registration. All codes |
| N386RH | Robinson Helicopter R44 II |
Helicopter | Blue Hill Helicopters LLC Norwood, Massachusetts |
Standard | 2023-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N409MB | Robinson Helicopter R44 II |
Helicopter | Niner LLC Wilmington, Delaware |
Standard | 2023-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N442WM | Robinson Helicopter R44 II |
Helicopter | Elkhorn Aviation INC DBA Baker City, Oregon |
Multiple | 2023-06-03 | ValidFAA registration status code V: Valid registration. All codes |
| N72PK | Robinson Helicopter R44 II |
Helicopter | J&J Investment of Puerto Rico LLC Moca, Puerto Rico |
Standard | 2023-06-01 | ValidFAA registration status code V: Valid registration. All codes |
| N813MW | Robinson Helicopter R44 II |
Helicopter | Independent Helicopters LLC New Windsor, New York |
Standard | 2023-05-31 | ValidFAA registration status code V: Valid registration. All codes |
| N3149L | Robinson Helicopter R44 II |
Helicopter | Chopper 4 LLC Dover, Delaware |
Standard | 2023-05-27 | ValidFAA registration status code V: Valid registration. All codes |
| N432PC | Robinson Helicopter R44 II |
Helicopter | Individual owner Texas |
Standard | 2023-05-26 | ValidFAA registration status code V: Valid registration. All codes |
| N244CS | Robinson Helicopter R44 II |
Helicopter | Aerial Expert Enterprise LLC Plainview, Minnesota |
Multiple | 2023-05-24 | ValidFAA registration status code V: Valid registration. All codes |
| N518J | Robinson Helicopter R44 II |
Helicopter | Gloc Aviation LLC Afton, Oklahoma |
Standard | 2023-05-23 | ValidFAA registration status code V: Valid registration. All codes |
| N509MM | Robinson Helicopter R44 II |
Helicopter | Corrales AG Flight LLC Othello, Washington |
Standard | 2023-05-22 | ValidFAA registration status code V: Valid registration. All codes |
| N644VB | Robinson Helicopter R44 II |
Helicopter | Individual owner South Dakota |
Standard | 2023-05-22 | ValidFAA registration status code V: Valid registration. All codes |
| N4203X | Robinson Helicopter R44 II |
Helicopter | Naples LLC Mound City, Missouri |
Standard | 2023-05-16 | ValidFAA registration status code V: Valid registration. All codes |
| N258DW | Robinson Helicopter R44 II |
Helicopter | Individual owner New York |
Standard | 2023-05-15 | ValidFAA registration status code V: Valid registration. All codes |
| N844KC | Robinson Helicopter R44 II |
Helicopter | Drew Helicopters LLC Annona, Texas |
Multiple | 2023-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N4131G | Robinson Helicopter R44 II |
Helicopter | Aircraft Trustee Services INC Trustee Dover, Delaware |
Standard | 2023-05-11 | ValidFAA registration status code V: Valid registration. All codes |
| N217RD | Robinson Helicopter R44 II |
Helicopter | Romeo Delta LLC Wilmington, Delaware |
Standard | 2023-05-10 | ValidFAA registration status code V: Valid registration. All codes |
| N93DR | Robinson Helicopter R44 II |
Helicopter | N111Vg LLC Princeton, New Jersey |
Standard | 2023-05-10 | ValidFAA registration status code V: Valid registration. All codes |
| N7094C | Robinson Helicopter R44 II |
Helicopter | Eternity Helicopters LLC Crestline, California |
Standard | 2023-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N544VB | Robinson Helicopter R44 II |
Helicopter | Elysium Fx INC Port Orange, Florida |
Standard | 2023-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N956HP | Robinson Helicopter R44 II |
Helicopter | N956Hp LLC Weslaco, Texas |
Standard | 2023-05-03 | ValidFAA registration status code V: Valid registration. All codes |
| N4136X | Robinson Helicopter R44 II |
Helicopter | Southern Cross Aircraft LLC Fort Lauderdale, Florida |
Standard | 2023-04-21 | ValidFAA registration status code V: Valid registration. All codes |
| N128AF | Robinson Helicopter R44 II |
Helicopter | Summerskyz INC Saint Joseph, Illinois |
Standard | 2023-04-18 | 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.