The U.S. aircraft register, updated daily
Engines · turbofan · data as of October 30, 2026

Lycoming ALF502L

4 aircraft on the U.S. register carry a Lycoming ALF502L engine, rated at about 7,500 pounds of thrust. The Bombardier CL-600 Challenger and CRJ is the model most often fitted with it (4 aircraft). The aircraft carrying it were built between 1981 and 1983.

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 ALF502L. FAA spelling: ALF502L.

Where they are owner's state

By state, as a table
aircraft
Utah1
Oklahoma1
Ohio1
Nevada1

Kind of aircraft

By kind, as a table
aircraftshare
Business jets4100%

When the aircraft were built by decade

0122331980
By decade built, as a table
aircraft
19803

What the FAA has certified, ordered and been told about the Lycoming ALF502L the component layer

No FAA order in the current files names this engine series. Operators and repair shops have filed 11 failure reports with the FAA since 1995, 11 of them in the last ten years.

Failure reports 11 since · what operators and shops told the FAA

01234295100402403
Failure reports by year, as a table
reports
952
001
024
034

Parts most often reported as the reports name them

Parts most reported, as a table
reports
Engine4
Controller1
Fan1
Line1
Nozzle1
Oil Line1
Pump1
Thrust Reverser1

Latest reports

2003-12-06Engine: fod
2003-11-02Engine: failed
2003-08-29Engine: shutdown
2003-04-25Pump: fluctuates
2002-11-21Thrust Reverser: damaged

Approved replacement parts 2 parts manufacturer approvals

Parts a company other than the maker may make for this engine and sell as FAA-approved. The companies holding the most:

Most often: vane (1), filter element (1).

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
Where they are
Biggest operators
Airworthiness

The whole map of how records connect · these connections as data: /graph/engine/lycoming-alf502l.json.

Aircraft newest certificates first · 4

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N25V Canadair
CL-600-1A11
Fixed-wing, multi-engine RR Aero LLC
Carson City, Nevada
Standard 2022-12-22 ValidFAA registration status code V: Valid registration. All codes
N396KM Canadair Ltd
CL-600 CHALLENGER
Fixed-wing, multi-engine Aircraft Guaranty CORP Trustee
Oklahoma City, Oklahoma
Standard 2020-07-14 ValidFAA registration status code V: Valid registration. All codes
N163ET Canadair Ltd
CL-600 CHALLENGER
Fixed-wing, multi-engine Bank of Utah Trustee
Salt Lake City, Utah
Standard 2017-04-12 ValidFAA registration status code V: Valid registration. All codes
N388DD Canadair Ltd
CL-600 CHALLENGER
Fixed-wing, multi-engine Challenger Four LLC
Dublin, Ohio
Standard 2015-01-14 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 30, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.