Lycoming O-320-E2C airworthiness directives

Airworthiness directives that may apply · 23

ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1966In forceSuperseded2026

ADs by the year they took effect: 27 ADs
1966	1
1967	1
1969	2
1977	2
1980	1
1982	1
1989	1
1991	1
1992	1
1993	1
1996	2
1997	1
1998	2
2004	1
2006	2
2007	1
2008	1
2010	1
2012	1
2022	1
2024	1
2026	1

Engine · Lycoming O-320-E2C

AD 2026-04-11Engine (Reciprocating)Effective Apr 8, 2026 · Supersedes AD 2024-21-02 AD 2022-16-03Engine (RECIPROCATING)Effective Aug 15, 2022 AD 2012-03-07CarburetorEffective Mar 27, 2012

See all 27 ADs

Query with SQL

duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('42122'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('42122'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

Information bulletins that may apply · 5

Engine · Lycoming O-320-E2C

SAIB NE-19-08Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve CylindersIssued May 2, 2019 SAIB NE-08-32R1Propeller Governor Idler Gear Shaft Set ScrewIssued May 13, 2016 SAIB NE-14-13Reciprocating Engine - Cylinder Mounting StudsIssued Mar 24, 2014 SAIB NE-13-06Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series EnginesIssued Nov 21, 2012 SAIB NE-06-32R1Reciprocating Engine - CrankshaftIssued Sep 10, 2008

Historical bulletins · 1

SAIB NE-08-32Propeller Governor Set ScrewIssued Jul 3, 2008

Query with SQL

duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
  FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
  WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_saib.parquet' WHERE engine_model_code IN ('42122'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_saib.parquet' WHERE engine_model_code IN ('42122'))
GROUP BY s.saib_number ORDER BY issue_date DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

Registered aircraft · 11

N123LEYoshikane Patrick T · Orange, CABuilt 1996 · S/N 1307 N358JCDuran Peter F · Mesa, AZBuilt 1993 · S/N 058B N39HBBartle Henson P · Independence, ORBuilt 2012 · S/N 1 N506MRegistered aircraftBuilt 2007 · S/N 90137 N513TRGonzalez Miguel A · Pembroke Pines, FLBuilt 2017 · S/N 3333 N530TWKlos Keith L · Holmen, WIBuilt 2016 · S/N 001 N646RVImagine Air LLC · Nogales, AZBuilt 2009 · S/N 20333 N672WMcphee Weston S · Jacksonville, NCBuilt 2025 · S/N 672 N68ADMorgan Edward J · Murchison, TXBuilt 2006 · S/N 22838 N772LRMorris Charles R · Nampa, IDBuilt 2018 · S/N 526 N94DZHigh Desert Aero Holdings LLC · Portland, ORS/N 90718

Query with SQL

duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE engine_model_code IN ('42122')
  ORDER BY n_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE engine_model_code IN ('42122')
ORDER BY n_number

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB investigations · 2

Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.

Defining event, 2008 on

Of 2 cases NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

NTSB WPR22FA348Accident · 2 fatalClass 3 · FieldFinal reportTrom Wayne Vans RV6A · Aztec, AZThe total loss of engine power for reasons that could not be determined based on available evidence. Contributing to the accident was the pilot’s decision to turn away from a suitable emergency landing surface, his failure to maintain adequate airspeed as the…Sep 16, 2022 · N646RV · Destroyed NTSB GAA15CA040Accident · No injuriesData collectionFinal reportTrom Wayne Vans RV6A · LaFayette, GAThe pilot's failure to maintain directional control during the landing roll in variable, gusting wind conditions, resulting in a runway excursion, and substantial damage to the airplane.Apr 11, 2015 · N646RV · Substantial damage

Query with SQL

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey WHERE a.engine_model_code IN ('42122') ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.engine_model_code IN ('42122')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('42122')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

FAA incident reports · 2

Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.

Accident 20220916018949ATrom Wayne Vans RV6A · Aztec, AZOn 09/16/2022 at approximately 1209 PDT, a vans RV6A departed brown field municipal airport, CA (ksdm) with a planned destination of nogales international airport, AZ (kols). Prior to departure, the PIC purchased 19.15 gallons of fuel at 11:36AM from first…Sep 16, 2022 · N646RV · Destroyed · 2 fatal Accident 20150411005729ATrom Wayne Vans RV6A · Menlo, GAOn Saturday April 11, 2015 at approximately 1345 local time I received a phone call from roc that an aircraft make; vans homebuilt, model; RV6A had run off the left side of a private grass strip in Menlo, GA. Name of airport hog jowl airfield, (GE11).…Apr 11, 2015 · N646RV · Substantial damage

Query with SQL

duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE engine_model_code IN ('42122')
  ORDER BY event_date DESC, report_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE engine_model_code IN ('42122')
ORDER BY event_date DESC, report_number DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

Service difficulty reports · 8

SDR CA100811006Alternator · failedSUSPECTED NOISE ON INITIAL CLIMB-OUT. AMMETER CHARGE LOST (-). BACK ON GROUND FOLLOWING THE LANDING CIRCUIT.May 27, 2010 · Beech B19 · DC Generator-Alternator SDR 2004FA0000140Spinner · misinstalledPROPELLER DAMAGED BEYOND REPAIR DUE TO IMPROPER SPINNER INSTALLATION.Jan 28, 2004 · N227MJ · Amtr RV4 · Propeller Spinner Section SDR 99ZZZX272 9Tappet · brokenTHE ENGINE WAS REMOVED FROM THE AIRCRAFT COMPLETELY DISASSEMBLED FOR OVERHAUL. THE NR 3 CYLINDER INTAKE TAPPET WAS FOUND BROKEN AT THE CAM LOBE IN 3 PIECES. THE NR 4 PISTON SKIRT HAD A LARGE PIECE BROKEN FROM THE BOTTOM OF THE SKIRT. ALL PIECES WERE FOUND IJun 19, 1999 · N39801 · Piper PA28140 · Reciprocating Engine Power Section SDR 99ZZZX2730Piston · brokenTHE ENGINE WAS REMOVED FROM THE AIRCRAFT COMPLETELY DISASSEMBLED FOR OVERHAUL. THE NR 3 CYLINDER INTAKE TAPPET WAS FOUND BROKEN AT THE CAM LOBE IN 3 PIECES. THE NR 4 PISTON SKIRT HAD A LARGE PIECE BROKEN FROM THE BOTTOM OF THE SKIRT. ALL PIECES WERE FOUND IJun 19, 1999 · N39801 · Piper PA28140 · Reciprocating Engine Power Section SDR 97ZZZX3400Bolt · brokenDURING ROUTINE INSPECTION TO C/W AD 96-09-10C (OIL PUMP IMPELLER INSP), THE ACCESSORY CASE WAS REMOVED FROM THE ENGINE. UPON INSP OF THE CRANKSHAFT IDLER GEARS, THE LT SIDE GEAR WOBBLED SIGNIFICANTLY. UPON REMOVAL OF THE IDLER GEAR, DETERMINED THE LOWER BOLTJul 1, 1997 · N16BD · Beech 19A · Reciprocating Engine Rear Section SDR CA960530002Fan · broken(CAN)PILOT HEARD LOUD BANG FOLLOWED BY AMMETER SHOWING DISCHARGE. ALTERNATOR SEPARATED FROM ENGINE. HOUSING MOUNTING LUGS BROKEN OFF BY VIBRATION DUE TO IMBALANCE FOLLOWING A PORTION OF THE FAN BREAKING OF F.Apr 1, 1996 · Beech A2319 · DC Generator-Alternator SDR 96ZZZX48Venturi · defectiveC/W AD 93-18-03 BY REMOVING TWO-PIECE VENTURI AND INSTALLING CONSOLIDATED FUEL SYSTEM'S ONE-PIECE VENTURI. THEREAFTER, PILOT REPORTED CRUISE FLIGHT FUEL BURN INCREASED FROM 7 GPH TO 9 GPH. INSPECTION OF CARBURETOR AND VENTURI DISCLOSED NO DISCREPANCIES, BUT Dec 4, 1995 · N7362G · Cessna 172K · Fuel Control/Reciprocating Engines SDR 95ZZZX3799Housing · crackedDURING ANNUAL INSPECTION, THE RIGHT MAGNETO HOUSING WAS FOUND CRACKED IN SEVERAL PLACES. CRACKED ON BOTH SIDES OF THE MAGNETO DOWN NEAR THE DRIVE END.Jun 21, 1995 · N24582 · Beech B19 · Magneto/Distributor

Query with SQL

duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE engine_model_key = 'O320E2C'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE engine_model_key = 'O320E2C'
ORDER BY difficulty_date DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

STCs that may be installed · 49

Approved for this engine model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.

STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22Swift Fuels LLC STC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.B & C Specialty Products Inc.STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.Alcor LLC · Lists O-320 Series

See all 49 STCs

Query with SQL

SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model FROM ( SELECT stc_number, min(matched_model) AS matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code IN ('42122') GROUP BY stc_number ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number) ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number

duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(matched_model) AS matched_model
    FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet'
    WHERE engine_model_code IN ('42122')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
  SELECT stc_number, min(matched_model) AS matched_model
  FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet'
  WHERE engine_model_code IN ('42122')
  GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.