The U.S. aircraft register, updated daily
Engines · turboshaft · data as of October 23, 2026

Lycoming T5313B

8 aircraft on the U.S. register carry a Lycoming T5313B engine, rated at about 1400 horsepower. The Bell UH-1 Huey (Iroquois) is the model most often fitted with it (5 aircraft). The aircraft carrying it were built between 1962 and 1971.

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 T5313B. FAA spelling: T5313B.

Fitted to model families

Model families, as a table
aircraft
Bell UH-1 Huey (Iroquois)5
Bell Helicopter Corp UH-1D1
Dornier UH-11
Garlick Helicopters Inc UH-11

Bell UH-1 Huey (Iroquois) · Bell Helicopter Corp UH-1D · Dornier UH-1 · Garlick Helicopters Inc UH-1

Kind of aircraft

By kind, as a table
aircraftshare
Helicopters8100%

When the aircraft were built by decade

By decade built, as a table
aircraft
19604
19703

What the FAA has certified, ordered and been told about the Lycoming T5313B the component layer

No FAA order in the current files names this engine series. Operators and repair shops have filed 147 failure reports with the FAA since 1995, 30 of them in the last ten years.

Failure reports 147 since · what operators and shops told the FAA

06121925950005213
Failure reports by year, as a table
reports
957
9614
978
9825
9918
0016
016
0219
034
046
052
067
076
086
121
132

Parts most often reported as the reports name them

Parts most reported, as a table
reports
Bearing19
Blade9
Fitting6
Engine5
Mount4
Nut4
Beam3
Fuel Cell3
Support3
Boot2

Latest reports

2013-05-27Tube: cracked
2013-02-12Fuel Cell: leaking
2012-08-14Gasket: blown
2008-08-08Tuning Unit: cracked
2008-07-13Bearing: damaged

Approved replacement parts 34 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: clamp (14), seal (3), igniter (2), gearshaft helical (2), disc (2), blade (2), plate (1), pin (1), pc safety (1), nozzle (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-t5313b.json.

Aircraft newest certificates first · 8

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N849DB Bell Helicopter Corp
UH-1D
Rotorcraft D & B Aviation Brokerage Services LLC
Wilmington, Delaware
Experimental 2023-03-14 ValidFAA registration status code V: Valid registration. All codes
N353RC Bell
UH-1H
Rotorcraft N353Rc LLC
Chelan, Washington
Restricted 2022-04-20 ValidFAA registration status code V: Valid registration. All codes
N30111 Bell
UH-1H
Rotorcraft Sky Walker Aviation LLC
Indianapolis, Indiana
Experimental 2019-10-23 ValidFAA registration status code V: Valid registration. All codes
N850M Bell
UH-1H
Rotorcraft Jones Aviation
Biggs, California
Restricted 2019-04-24 ValidFAA registration status code V: Valid registration. All codes
N16315 Bell
UH-1H
Rotorcraft Army Aviation Heritage Foundation and Flg Museum
Hampton, Georgia
Experimental 2018-09-25 ValidFAA registration status code V: Valid registration. All codes
N839PF Dornier
UH-1D
Rotorcraft Rice Aircraft Services INC
Olivehurst, California
Experimental 2018-02-02 ValidFAA registration status code V: Valid registration. All codes
N6261C Garlick Helicopters Inc
UH-1H
Rotorcraft Vi1 LLC
Brewster, Washington
Restricted 2017-07-21 ValidFAA registration status code V: Valid registration. All codes
N204UH Bell
UH-1B
Rotorcraft R&R Conner Aviation LLC
Conner, Montana
Restricted 2016-10-18 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 23, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.