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 |
|---|---|---|---|---|---|---|
| N919HC | Robinson Helicopter R44 II |
Helicopter | Prime Aviation LLC Bandera, Texas |
Standard | 2026-10-05 | ValidFAA registration status code V: Valid registration. All codes |
| N115PS | Robinson Helicopter R44 II |
Helicopter | AG Farmacy Applications LLC Erie, Illinois |
Standard | 2026-09-30 | ValidFAA registration status code V: Valid registration. All codes |
| N93KD | Robinson Helicopter R44 II |
Helicopter | Tablerock Aviation LLC Mccall, Idaho |
Standard | 2026-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N458LT | Robinson Helicopter R44 II |
Helicopter | N87Bb LLC Monroe, North Carolina |
Standard | 2026-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N223HK | Robinson Helicopter R44 II |
Helicopter | Heinen Bros Agra Service INC Seneca, Kansas |
Standard | 2026-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N595GG | Robinson Helicopter R44 II |
Helicopter | Moon Air INC Albany, Kentucky |
Standard | 2026-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N36VB | Robinson Helicopter R44 II |
Helicopter | Rhc1 LLC Myrtle Beach, South Carolina |
Standard | 2026-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N844DW | Robinson Helicopter R44 II |
Helicopter | Namo Aero INC Wilmington, Delaware |
Standard | 2026-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N441WH | Robinson Helicopter R44 II |
Helicopter | Elevate Heli LLC Harrison, New York |
Standard | 2026-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N61CH | Robinson Helicopter R44 II |
Helicopter | Sanstone Aviation LLC Arden, North Carolina |
Standard | 2026-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N73BM | Robinson Helicopter R44 II |
Helicopter | 44 Heli LLC Cincinnati, Ohio |
Standard | 2026-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N322TC | Robinson Helicopter R44 II |
Helicopter | Ultimate Holdings LLC Cedar City, Utah |
Standard | 2026-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N42LF | Robinson Helicopter R44 II |
Helicopter | Sodville INC Taft, Texas |
Standard | 2026-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N441PE | Robinson Helicopter R44 II |
Helicopter | Tres Vientos LLC Santa Fe, New Mexico |
Standard | 2026-09-01 | ValidFAA registration status code V: Valid registration. All codes |
| N104TE | Robinson Helicopter R44 II |
Helicopter | N104Te LLC Tucumcari, New Mexico |
Standard | 2026-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N45HC | Robinson Helicopter R44 II |
Helicopter | Chavi LLC Fredericksburg, Texas |
Standard | 2026-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N41RH | Robinson Helicopter R44 II |
Helicopter | Mile High Rotors INC Indian Hills, Colorado |
Standard | 2026-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N40479 | Robinson Helicopter R44 II |
Helicopter | November Alpha LLC Dover, Delaware |
Standard | 2026-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N4481G | Robinson Helicopter R44 II |
Helicopter | Rotor Leasing LLC Indianapolis, Indiana |
Standard | 2026-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N4482G | Robinson Helicopter R44 II |
Helicopter | Rotor Leasing LLC Indianapolis, Indiana |
Standard | 2026-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N20FH | Robinson Helicopter R44 II |
Helicopter | Sky Solutions LLC Detroit, Michigan |
Standard | 2026-08-20 | ValidFAA registration status code V: Valid registration. All codes |
| N627VJ | Robinson Helicopter R44 II |
Helicopter | Deer Creek Cattle CO Dalhart, Texas |
Standard | 2026-08-17 | ValidFAA registration status code V: Valid registration. All codes |
| N733AA | Robinson Helicopter R44 II |
Helicopter | Adams Aviation Services INC Trustee Wilmington, Delaware |
Standard | 2026-08-17 | ValidFAA registration status code V: Valid registration. All codes |
| N879YE | Robinson Helicopter R44 II |
Helicopter | Altitude & Anchor LLC Kalispell, Montana |
Standard | 2026-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N755DA | Robinson Helicopter R44 II |
Helicopter | Howze Flying Services LLC Robstown, Texas |
Standard | 2026-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N861MP | Robinson Helicopter R44 II |
Helicopter | November Alpha LLC Dover, Delaware |
Standard | 2026-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N853SB | Robinson Helicopter R44 II |
Helicopter | Wjc Aviation LLC Englewood, Florida |
Standard | 2026-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N37EG | Robinson Helicopter R44 II |
Helicopter | Volterra LLC Iowa City, Iowa |
Standard | 2026-08-07 | ValidFAA registration status code V: Valid registration. All codes |
| N475WH | Robinson Helicopter R44 II |
Helicopter | Individual owner Oregon |
Standard | 2026-08-05 | ValidFAA registration status code V: Valid registration. All codes |
| N74WH | Robinson Helicopter R44 II |
Helicopter | Wf Aviation LLC Grandview, Washington |
Standard | 2026-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N852SB | Robinson Helicopter R44 II |
Helicopter | Powerhouse Dealer Services LLC Charlotte, North Carolina |
Standard | 2026-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N440KB | Robinson Helicopter R44 II |
Helicopter | J3 Contracting INC Milton Freewater, Oregon |
Standard | 2026-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N73CS | Robinson Helicopter R44 II |
Helicopter | Milo Blue Skies LLC Wilmington, Delaware |
Standard | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N544FA | Robinson Helicopter R44 II |
Helicopter | Quality Helicopter Leasing LLC Gardena, California |
Standard | 2026-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N913WL | Robinson Helicopter R44 II |
Helicopter | Thunderbird Aviation LLC Littleton, Colorado |
Standard | 2026-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N5011T | Robinson Helicopter R44 II |
Helicopter | Av8 Holdings LLC Wilmington, Delaware |
Standard | 2026-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N7069X | Robinson Helicopter R44 II |
Helicopter | Scout Aviation LLC Odessa, Texas |
Standard | 2026-07-16 | ValidFAA registration status code V: Valid registration. All codes |
| N70944 | Robinson Helicopter R44 II |
Helicopter | Spitzer Helicopter LLC Wilmington, Delaware |
Standard | 2026-07-14 | ValidFAA registration status code V: Valid registration. All codes |
| N144GG | Robinson Helicopter R44 II |
Helicopter | Aviation Trust Company LLC Trustee Oklahoma City, Oklahoma |
Standard | 2026-07-08 | ValidFAA registration status code V: Valid registration. All codes |
| N551BK | Robinson Helicopter R44 II |
Helicopter | Cedar Ridge Aviation LLC Knox City, Texas |
Multiple | 2026-07-08 | ValidFAA registration status code V: Valid registration. All codes |
| N409DC | Robinson Helicopter R44 II |
Helicopter | Spitzer Helicopter LLC Wilmington, Delaware |
Standard | 2026-07-04 | ValidFAA registration status code V: Valid registration. All codes |
| N171SH | Robinson Helicopter R44 II |
Helicopter | Driftless Helicopters LLC Galena, Illinois |
Multiple | 2026-07-03 | ValidFAA registration status code V: Valid registration. All codes |
| N134DL | Robinson Helicopter R44 II |
Helicopter | Over and Under Flying Service INC DBA Knox, Indiana |
Standard | 2026-07-01 | ValidFAA registration status code V: Valid registration. All codes |
| N914RP | Robinson Helicopter R44 II |
Helicopter | Peak Helicopters INC Haines, Oregon |
Standard | 2026-07-01 | ValidFAA registration status code V: Valid registration. All codes |
| N10AF | Robinson Helicopter R44 II |
Helicopter | Individual owner Oregon |
Standard | 2026-06-29 | ValidFAA registration status code V: Valid registration. All codes |
| N434AJ | Robinson Helicopter R44 II |
Helicopter | Ace Flight LLC Houma, Louisiana |
Standard | 2026-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N65WD | Robinson Helicopter R44 II |
Helicopter | Individual owner Louisiana |
Standard | 2026-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N4018X | Robinson Helicopter R44 II |
Helicopter | Crazy Horse LLC Princeton, West Virginia |
Standard | 2026-06-19 | ValidFAA registration status code V: Valid registration. All codes |
| N1413X | Robinson Helicopter R44 II |
Helicopter | Driftless Helicopters LLC Galena, Illinois |
Standard | 2026-06-16 | ValidFAA registration status code V: Valid registration. All codes |
| N208KS | Robinson Helicopter R44 II |
Helicopter | Multiple | 2026-06-12 | ValidFAA registration status code V: Valid registration. All codes | |
| N344AK | Robinson Helicopter R44 II |
Helicopter | Chavi LLC Fredericksburg, Texas |
Standard | 2026-06-09 | ValidFAA registration status code V: Valid registration. All codes |
| N308SA | Robinson Helicopter R44 II |
Helicopter | Individual owner North Dakota |
Standard | 2026-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N38VB | Robinson Helicopter R44 II |
Helicopter | Cactus Land and Cattle LLC Ephrata, Washington |
Standard | 2026-06-02 | ValidFAA registration status code V: Valid registration. All codes |
| N46GG | Robinson Helicopter R44 II |
Helicopter | Spitzer Helicopter LLC Wilmington, Delaware |
Standard | 2026-06-02 | ValidFAA registration status code V: Valid registration. All codes |
| N197JP | Robinson Helicopter R44 II |
Helicopter | Aviation Trust Company LLC Trustee Oklahoma City, Oklahoma |
Multiple | 2026-06-01 | ValidFAA registration status code V: Valid registration. All codes |
| N713PK | Robinson Helicopter R44 II |
Helicopter | 536 Aviators LLC Beaver, Oklahoma |
Standard | 2026-05-30 | ValidFAA registration status code V: Valid registration. All codes |
| N208GD | Robinson Helicopter R44 II |
Helicopter | 101Gd CORP Miami, Florida |
Standard | 2026-05-27 | ValidFAA registration status code V: Valid registration. All codes |
| N773DM | Robinson Helicopter R44 II |
Helicopter | Flying J Services LLC Jourdanton, Texas |
Standard | 2026-05-16 | ValidFAA registration status code V: Valid registration. All codes |
| N670EW | Robinson Helicopter R44 II |
Helicopter | Emerald City Aircraft Leasing INC Port Orchard, Washington |
Standard | 2026-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N4177M | Robinson Helicopter R44 II |
Helicopter | Brandl Farms LLC Victoria, Texas |
Standard | 2026-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N47CF | Robinson Helicopter R44 II |
Helicopter | Hover 32768 LLC Kalispell, Montana |
Standard | 2026-05-11 | ValidFAA registration status code V: Valid registration. All codes |
| N669JC | Robinson Helicopter R44 II |
Helicopter | Montana Sky Assets LLC Helena, Montana |
Standard | 2026-05-11 | ValidFAA registration status code V: Valid registration. All codes |
| N47BD | Robinson Helicopter R44 II |
Helicopter | Flydreams CORP Lewes, Delaware |
Standard | 2026-05-10 | ValidFAA registration status code V: Valid registration. All codes |
| N590HS | Robinson Helicopter R44 II |
Helicopter | Mueller Aviation LLC Austin, Texas |
Standard | 2026-05-10 | ValidFAA registration status code V: Valid registration. All codes |
| N390AK | Robinson Helicopter R44 II |
Helicopter | Individual owner Oregon |
Standard | 2026-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N488KC | Robinson Helicopter R44 II |
Helicopter | Pterofranc Flight Services LLC Redding, California |
Standard | 2026-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N893PC | Robinson Helicopter R44 II |
Helicopter | Cline Air Services LLC Ellensburg, Washington |
Multiple | 2026-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N860MP | Robinson Helicopter R44 II |
Helicopter | International Air Services INC Trustee Carson City, Nevada |
Standard | 2026-05-04 | ValidFAA registration status code V: Valid registration. All codes |
| N621JL | Robinson Helicopter R44 II |
Helicopter | Certavi Aircraft Leasing LLC Franklin, Tennessee |
Standard | 2026-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N26KL | Robinson Helicopter R44 II |
Helicopter | Individual owner Montana |
Multiple | 2026-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N538LL | Robinson Helicopter R44 II |
Helicopter | El Destino LLC Center Harbor, New Hampshire |
Standard | 2026-04-27 | ValidFAA registration status code V: Valid registration. All codes |
| N579DG | Robinson Helicopter R44 II |
Helicopter | Individual owner Alabama |
Standard | 2026-04-25 | ValidFAA registration status code V: Valid registration. All codes |
| N258GG | Robinson Helicopter R44 II |
Helicopter | Great Northern Investment Group LLC Anchorage, Alaska |
Standard | 2026-04-23 | ValidFAA registration status code V: Valid registration. All codes |
| N644JP | Robinson Helicopter R44 II |
Helicopter | Aircraft Guaranty CORP Trustee Oklahoma City, Oklahoma |
Standard | 2026-04-23 | ValidFAA registration status code V: Valid registration. All codes |
| N7921C | Robinson Helicopter R44 II |
Helicopter | Romeo Whiskey LLC Girdwood, Alaska |
Standard | 2026-04-23 | ValidFAA registration status code V: Valid registration. All codes |
| N425RW | Robinson Helicopter R44 II |
Helicopter | Qualitair LLC Trustee Michelstadt, |
Standard | 2026-04-22 | ValidFAA registration status code V: Valid registration. All codes |
| N76KB | Robinson Helicopter R44 II |
Helicopter | Lkk Group Wvgn Tv Beverly Hills, California |
Standard | 2026-04-22 | ValidFAA registration status code V: Valid registration. All codes |
| N174BA | Robinson Helicopter R44 II |
Helicopter | Rafter Gs Aviation LLC San Antonio, Texas |
Standard | 2026-04-16 | ValidFAA registration status code V: Valid registration. All codes |
| N64BH | Robinson Helicopter R44 II |
Helicopter | Jeff Staples Real Estate LLC Kalispell, Montana |
Standard | 2026-04-14 | ValidFAA registration status code V: Valid registration. All codes |
| N890MP | Robinson Helicopter R44 II |
Helicopter | Rut N Strut Aviation LLC Shelbyville, Kentucky |
Standard | 2026-04-13 | ValidFAA registration status code V: Valid registration. All codes |
| N915BK | Robinson Helicopter R44 II |
Helicopter | Knight Flight Aviation LLC Hampstead, North Carolina |
Standard | 2026-04-12 | ValidFAA registration status code V: Valid registration. All codes |
| N385CM | Robinson Helicopter R44 II |
Helicopter | Coastal Elite Air LLC Helena, Montana |
Standard | 2026-04-10 | ValidFAA registration status code V: Valid registration. All codes |
| N744VB | Robinson Helicopter R44 II |
Helicopter | Rdcf Aviation LLC Wilmington, Delaware |
Standard | 2026-04-07 | ValidFAA registration status code V: Valid registration. All codes |
| N141CE | Robinson Helicopter R44 II |
Helicopter | Ice Holdings LLC Anchorage, Alaska |
Standard | 2026-04-02 | ValidFAA registration status code V: Valid registration. All codes |
| N442AR | Robinson Helicopter R44 II |
Helicopter | Jax Transport LLC Amarillo, Texas |
Standard | 2026-03-23 | ValidFAA registration status code V: Valid registration. All codes |
| N70126 | Robinson Helicopter R44 II |
Helicopter | Ely AG Services LLC Sallisaw, Oklahoma |
Restricted | 2026-03-22 | ValidFAA registration status code V: Valid registration. All codes |
| N524HG | Robinson Helicopter R44 II |
Helicopter | Rhc1 LLC Myrtle Beach, South Carolina |
Standard | 2026-03-21 | ValidFAA registration status code V: Valid registration. All codes |
| N844SB | Robinson Helicopter R44 II |
Helicopter | Individual owner Texas |
Standard | 2026-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N224G | Robinson Helicopter R44 II |
Helicopter | Eagle Auto Service & Collision Center LLC Cranesville, Pennsylvania |
Standard | 2026-03-16 | ValidFAA registration status code V: Valid registration. All codes |
| N112WF | Robinson Helicopter R44 II |
Helicopter | Whiskey Fox LLC Kirkland, Washington |
Standard | 2026-03-14 | ValidFAA registration status code V: Valid registration. All codes |
| N447DD | Robinson Helicopter R44 II |
Helicopter | 115 Holdings LLC Mansura, Louisiana |
Standard | 2026-03-14 | ValidFAA registration status code V: Valid registration. All codes |
| N7549A | Robinson Helicopter R44 II |
Helicopter | Jets To Helis LLC DBA Chandler, Arizona |
Standard | 2026-03-13 | ValidFAA registration status code V: Valid registration. All codes |
| N4537G | Robinson Helicopter R44 II |
Helicopter | November Alpha LLC Dover, Delaware |
Standard | 2026-03-09 | ValidFAA registration status code V: Valid registration. All codes |
| N725GT | Robinson Helicopter R44 II |
Helicopter | Lambert Contracting LLC Hollywood, Alabama |
Standard | 2026-03-09 | ValidFAA registration status code V: Valid registration. All codes |
| N363WD | Robinson Helicopter R44 II |
Helicopter | Fas Aviation LLC Southlake, Texas |
Standard | 2026-03-07 | ValidFAA registration status code V: Valid registration. All codes |
| N619BZ | Robinson Helicopter R44 II |
Helicopter | Fp Trans LLC San Angelo, Texas |
Standard | 2026-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N633AK | Robinson Helicopter R44 II |
Helicopter | Alpha Aviation LLC Anchorage, Alaska |
Standard | 2026-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N686AW | Robinson Helicopter R44 II |
Helicopter | Cyclic LLC Kalispell, Montana |
Standard | 2026-02-24 | ValidFAA registration status code V: Valid registration. All codes |
| N569DW | Robinson Helicopter R44 II |
Helicopter | Branched Oak Charter LLC Rising City, Nebraska |
Standard | 2026-02-21 | ValidFAA registration status code V: Valid registration. All codes |
| N440DZ | Robinson Helicopter R44 II |
Helicopter | Southern Aircraft Consultancy INC Trustee Casper, Wyoming |
Standard | 2026-02-20 | 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.