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

Lycoming AEIO-320-D1B

2 aircraft on the U.S. register carry a Lycoming AEIO-320-D1B engine, rated at about 160 horsepower. The Burkhart Grob Luft-Und GROB G115D 2 is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 1994 and 2007.

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 AEIO-320-D1B. FAA spelling: AEIO-320-D1B.

Fitted to model families

Burkhart Grob Luft-Und GROB G115D 21Schulze Craig W LANCAIR 3201

Burkhart Grob Luft-Und GROB G115D 2 · Schulze Craig W LANCAIR 320

Where they are owner's state

Delaware1California1

Kind of aircraft

Piston singles2 (100%)

When the aircraft were built by decade

000111199012000

What the FAA has certified, ordered and been told about the Lycoming AEIO-320-D1B the component layer

The design is held under 1 type certificate (1E12, held by Lycoming Engines). The FAA has issued 26 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 26 airworthiness directives · newest first

2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2022-08-152022-16-03 · Engine (RECIPROCATING) · engine
2017-08-152017-16-11 · Reciprocating Engine Power Section · engine
2015-11-032015-19-07 · Fuel injector fuel lines · engine
2015-03-112015-02-07 · Propeller governor shaft set screw · engine

All orders naming the Lycoming AEIO-320-D1B

Certificates and bulletins

1E12Type certificate held by Lycoming Engines · 32 models listed · revised April 4, 2018

Safety bulletins 5 · 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
2008-09-10NE-06-32R1 · Reciprocating Engine - Crankshaft
2008-07-03NE-08-32 · Propeller Governor Set Screw

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
Biggest operators
Airworthiness

These connections as data: /graph/engine/lycoming-aeio-320-d1b.json · about the eFlight graph.

Aircraft newest certificates first · 2

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N735PU Burkhart Grob Luft-Und
GROB G115D 2
Fixed-wing, single engine Adams Aviation Services INC Trustee
Wilmington, Delaware
Standard 2026-07-30 ValidFAA registration status code V: Valid registration. All codes
N73S Schulze Craig W
LANCAIR 320
Fixed-wing, single engine Individual owner
California
Experimental 2016-04-12 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.