The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of November 9, 2026

Lycoming O-320-E1F

5 aircraft on the U.S. register carry a Lycoming O-320-E1F engine, rated at about 150 horsepower. The Baab Terry L GLASTAR is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 1998 and 2018.

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 O-320-E1F. FAA spelling: O-320-E1F.

Fuel: 100LL avgas.

Fitted to model families

Baab Terry L GLASTAR1Bennett Charles P GLASTAR1John A Bastian RV-9A1Prue Irving O PRUE II MG1Royce E Satterle RV-7A1
Model families, as a table
aircraft
Baab Terry L GLASTAR1
Bennett Charles P GLASTAR1
John A Bastian RV-9A1
Prue Irving O PRUE II MG1
Royce E Satterle RV-7A1

Baab Terry L GLASTAR · Bennett Charles P GLASTAR · John A Bastian RV-9A · Prue Irving O PRUE II MG · Royce E Satterle RV-7A

Where they are owner's state

By state, as a table
aircraft
Utah1
Texas1
North Carolina1
Arizona1
Alaska1

Kind of aircraft

By kind, as a table
aircraftshare
Piston singles5100%

When the aircraft were built by decade

By decade built, as a table
aircraft
19901
20103

What the FAA has certified, ordered and been told about the Lycoming O-320-E1F the component layer

The design is held under 1 type certificate (E-274, held by Lycoming Engines). The FAA has issued 18 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 18 airworthiness directives · newest first

2026-11-242026-22-13 · Reciprocating Engine Cylinder Section · engine
2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2022-08-152022-16-03 · Engine (RECIPROCATING) · engine
2012-03-272012-03-07 · Carburetor · engine
2008-10-202008-19-05 · Parallel Valve'' reciprocating engines · engine

All orders naming the Lycoming O-320-E1F

Approved replacement parts 27 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: washer (2), valve (2), stud (2), series magneto (2), impulse coupling (2), harness (2), alternator (2), shroud tube (1), screw (1), retainer (1).

Certificates and bulletins

E-274Type certificate held by Lycoming Engines · 60 models listed · revised April 30, 2013

Safety bulletins 6 · advice, not orders

2019-05-02NE-19-08 · Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders
2016-05-13NE-08-32R1 · Propeller Governor Idler Gear Shaft Set Screw
2014-03-24NE-14-13 · Reciprocating Engine - Cylinder Mounting Studs
2012-11-21NE-13-06 · Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320,...
2008-09-10NE-06-32R1 · Reciprocating Engine - Crankshaft

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

Where they are
Airworthiness

The whole map of how records connect · these connections as data: /graph/engine/lycoming-o-320-e1f.json.

Aircraft newest certificates first · 5

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N414PM Prue Irving O
PRUE II MG
Fixed-wing, single engine Individual owner
Alaska
Experimental 2024-09-12 ValidFAA registration status code V: Valid registration. All codes
N4647Q Royce E Satterle
RV-7A
Fixed-wing, single engine Co-owned owner
Arizona
Experimental 2024-04-03 ValidFAA registration status code V: Valid registration. All codes
N256CB Bennett Charles P
GLASTAR
Fixed-wing, single engine Individual owner
North Carolina
Experimental 2021-06-17 ValidFAA registration status code V: Valid registration. All codes
N89EE John A Bastian
RV-9A
Fixed-wing, single engine Individual owner
Utah
Experimental 2017-08-22 ValidFAA registration status code V: Valid registration. All codes
N132TB Baab Terry L
GLASTAR
Fixed-wing, single engine Individual owner
Texas
Experimental 2014-05-30 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), November 9, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.