The U.S. aircraft register, updated daily
Engines · turboprop · data as of October 9, 2026

Allison (Rolls-Royce) 501-D22A

12 aircraft on the U.S. register carry an Allison (Rolls-Royce) 501-D22A engine, rated at about 4680 horsepower. The Lockheed 382 is the model most often fitted with it (11 aircraft). The aircraft carrying it were built between 1975 and 1991.

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 Allison (Rolls-Royce) 501-D22A. FAA spelling: 501-D22A.

Fitted to model families

Lockheed 38211Lockheed L-382G-44K-301
Model families, as a table
aircraft
Lockheed 38211
Lockheed L-382G-44K-301

Lockheed 382 · Lockheed L-382G-44K-30

Where they are owner's state

By state, as a table
aircraft
Alaska10
Montana1
California1

Kind of aircraft

By kind, as a table
aircraftshare
Turboprops12100%

When the aircraft were built by decade

By decade built, as a table
aircraft
19709
19801
19901

What the FAA has certified, ordered and been told about the Allison (Rolls-Royce) 501-D22A the component layer

No FAA order in the current files names this engine series. Operators and repair shops have filed 231 failure reports with the FAA since 1995, 7 of them in the last ten years.

Failure reports 231 since · what operators and shops told the FAA

0122436489500061118124
Failure reports by year, as a table
reports
955
9623
9743
986
992
003
025
035
0448
0517
0612
079
085
0911
108
111
1214
133
144
151
182
191
201
211
241

Parts most often reported as the reports name them

Parts most reported, as a table
reports
Skin17
Engine14
Housing14
Web11
Fitting10
Beam8
Frame8
Angle7
Bulkhead6
Cap5

Latest reports

2024-03-12Engine: flamed out
2021-12-16Fuel Nozzle: no test
2020-12-08Housing: leaking
2019-11-30Housing: failed
2018-08-22Line: loose

Approved replacement parts 622 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: nut (32), gear (29), bolt (29), ring (28), bushing (25), seal (23), washer (22), pin (21), cage (21), stud (20).

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/allison-rolls-royce-501-d22a.json.

Aircraft newest certificates first · 12

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N415LC Lockheed
382G-44K-30
Fixed-wing, multi-engine Lynden Air Cargo LLC
Anchorage, Alaska
Standard 2025-07-24 ValidFAA registration status code V: Valid registration. All codes
N382HT Lockheed
382G
Fixed-wing, multi-engine Cardinal Services CORP
Kalispell, Montana
Standard 2024-11-22 ValidFAA registration status code V: Valid registration. All codes
N411LC Lockheed
382G-44K-30
Fixed-wing, multi-engine Lynden Air Cargo LLC
Anchorage, Alaska
Standard 2023-12-03 ValidFAA registration status code V: Valid registration. All codes
N407LC Lockheed
382G
Fixed-wing, multi-engine Lynden Air Cargo LLC
Anchorage, Alaska
Restricted 2023-07-28 ValidFAA registration status code V: Valid registration. All codes
N406LC Lockheed
382G-44K-30
Fixed-wing, multi-engine Lynden Aircargo LLC
Anchorage, Alaska
Restricted 2023-05-15 ValidFAA registration status code V: Valid registration. All codes
N408LC Lockheed
382G
Fixed-wing, multi-engine Lynden Air Cargo LLC
Anchorage, Alaska
Restricted 2023-03-06 ValidFAA registration status code V: Valid registration. All codes
N404LC Lockheed
382G
Fixed-wing, multi-engine Airplane Sales International CORP
Sherman Oaks, California
Multiple 2021-02-12 ValidFAA registration status code V: Valid registration. All codes
N402LC Lockheed
382G-44K-30
Fixed-wing, multi-engine Lynden Air Cargo LLC
Anchorage, Alaska
Restricted 2020-05-20 ValidFAA registration status code V: Valid registration. All codes
N409LC Lockheed
L-382G-44K-30
Fixed-wing, multi-engine Lynden Air Cargo LLC
Anchorage, Alaska
Restricted 2018-02-05 ValidFAA registration status code V: Valid registration. All codes
N405LC Lockheed
382G
Fixed-wing, multi-engine Lynden Air Cargo LLC
Anchorage, Alaska
Restricted 1999-07-21 ValidFAA registration status code V: Valid registration. All codes
N403LC Lockheed
382G-44K-30
Fixed-wing, multi-engine Lynden Air Cargo LLC
Anchorage, Alaska
Restricted 1997-09-19 ValidFAA registration status code V: Valid registration. All codes
N401LC Lockheed
382G-44K-30
Fixed-wing, multi-engine Lynden Air Cargo LLC
Anchorage, Alaska
Restricted 1997-04-21 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 9, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.