The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 5, 2026

Lycoming O-320-B2D

2 aircraft on the U.S. register carry a Lycoming O-320-B2D engine, rated at about 160 horsepower. The Brown David S LONGEZ is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 1995 and 2012.

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-B2D. FAA spelling: O-320-B2D.

Fitted to model families

Brown David S LONGEZ1Maule MXT-71

Brown David S LONGEZ · Maule MXT-7

Where they are owner's state

Wisconsin1Texas1

Kind of aircraft

Piston singles2 (100%)

When the aircraft were built by decade

000111199012010

What the FAA has certified, ordered and been told about the Lycoming O-320-B2D the component layer

The design is held under 1 type certificate (E-274, held by Lycoming Engines). The FAA has issued 13 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 13 airworthiness directives · newest first

2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2017-08-152017-16-11 · Reciprocating Engine Power Section · engine
2012-03-272012-03-07 · Carburetor · engine
2008-10-202008-19-05 · Parallel Valve'' reciprocating engines · engine
2006-01-312005-26-10 · ECi cylinder assemblies. · engine

All orders naming the Lycoming O-320-B2D

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

Fitted to
Where they are
Airworthiness

These connections as data: /graph/engine/lycoming-o-320-b2d.json · about the eFlight graph.

Aircraft newest certificates first · 2

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N31865 Maule
MXT-7-160
Fixed-wing, single engine Hartwig Flying Service LLC
Eagle River, Wisconsin
Standard 2024-02-22 ValidFAA registration status code V: Valid registration. All codes
N365DB Brown David S
LONGEZ
Fixed-wing, single engine Rutan Aircraft Flying Museum
Waller, Texas
Experimental 2017-06-13 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.