- Manufacturer (registry)
- LYCOMING
- Model
- O-320-B2C
- Registry code
- 42139
- Installed in
- 55 registered aircraft
- Type
- Reciprocating
- Power
- 160 hp
- Data sheet
- TCDSE-274
- Holder
- Lycoming Engines
Model codes come from the FAA registry’s reference file.
On this page
Airworthiness directives that may apply · 25
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1964 | 1 |
|---|---|
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 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 |
| 2017 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Engine · Lycoming O-320-B2C
AD 2026-04-11Engine (Reciprocating)AD 2017-16-11Reciprocating Engine Power SectionAD 2012-03-07CarburetorQuery 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 ('42139'))
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 ('42139'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESCRun 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-B2C
SAIB NE-19-08Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve CylindersSAIB NE-08-32R1Propeller Governor Idler Gear Shaft Set ScrewSAIB NE-14-13Reciprocating Engine - Cylinder Mounting StudsSAIB NE-13-06Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series EnginesSAIB NE-06-32R1Reciprocating Engine - CrankshaftHistorical bulletins · 1
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 ('42139'))
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 ('42139'))
GROUP BY s.saib_number ORDER BY issue_date DESCRun 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 · 55
N103BJKempf Randall P · Crawford, CON106EHKnueven Timothy P · Huntsville, ALN11364Emerald City Aircraft Leasing Inc · Port Orchard, WA
See all 55 registered aircraftQuery 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 ('42139')
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 ('42139')
ORDER BY n_numberRun 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 · 13
Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.
Of 10 cases NTSB coded with a defining event. All defining events
Findings NTSB made part of the probable cause. A case can have several. All findings
Of 3 cases with NTSB’s older coding, defined in its coding manual.
NTSB CEN26LA318Accident · No injuriesClass 3 · LimitedPreliminary reportVans RV4 · Harrisonville, MOOn September 13, 2026, about 0930 central daylight time, a Vans Aircraft Inc, RV-4, N254MM, was substantially damaged when it was involved in an accident near Harrisonville, Missouri. The pilot and passenger were not injured. The airplane was operated as a…NTSB CEN20CA090Accident · No injuriesData collectionFinal reportRobinson R22 · Cotulla, TXThe pilot's failure to remove the right skid trailer tie-down before attempting to take off, which resulted in a dynamic roll-over.NTSB WPR19LA170Accident · Serious injuriesClass 3 · LimitedFinal reportJames Experimental Cub · Stanley, IDOverstress failure of the right-wing spar due to an encounter with turbulence.NTSB GAA18CA113Accident · No injuriesData collectionFinal reportRobinson Helicopter R22 · Homstead, FLThe pilot’s diverted attention to his phone while maneuvering at a low altitude, which resulted in collision with terrain.NTSB GAA17CA112Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R22 · Champaign, ILThe flight instructor’s failure to arrest the descent rate during the practice autorotation, which resulted in a hard landing.NTSB ERA13LA045Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R22 · Alexander City, ALThe pilot’s delayed decision to initiate an autorotation and her subsequent improper conduct of the autorotation, which resulted in a hard landing, after the helicopter started vibrating for reasons that could not be determined because postaccident…NTSB ERA11LA392Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · West Palm Beach, FLSeparation of the auxiliary fuel tank cap, which entered the tail rotor system. Contributing to the accident was the lack of a fuel tank cap restraint.NTSB CEN10CA439Accident · No injuriesData collectionFinal reportBeers Tailwind 10 · Delta, COA loss of control on the ground due to a malfunction of the right brake caliper.NTSB CEN10LA414Accident · No injuriesLimited investigationFinal reportWogenstahl Wallace L Wogenstahl 281 MR · Mount Cory, OHThe improper installation of the rivets at the aft fuselage bulkhead which resulted in the pilot not having full elevator control on landing.NTSB CHI08CA238Accident · No injuriesData collectionFinal reportRobinson R22 Beta · Buffalo, NDThe pilot's excessive descent rate and his failure to maintain clearance from terrain during the spray run entry.NTSB ATL07CA126Accident · No injuriesData collectionFinal reportRans RV-9A · Harvest, ALThe pilot's improper landing flare and touchdown.NTSB FTW95LA041Accident · No injuriesLimited investigationFinal reportRobinson R-22B · Johnson City, TXThe pilot's failure to maintain clearance with the trailer while landing.NTSB FTW89LA120Accident · Minor injuriesLimited investigationFinal reportRobinson R22 · Austin, TXThe pilot's improper inflight planning/decision, which resulted in a situation where he was unable to maintain adequate rotor RPM. Factors related to the accident were: high temperature, tailwind, and trees.
Query with SQL
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 ('42139')
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 ('42139')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 · 19
Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.
Incident 20211207020639IDubois Robin Cozy · Lancaster, FLNose landing gear did not extend during landing approach. Aircraft landed with NLG in the up position. Minor damage sustained to nose skid pad.Incident 20201001017849IDubois Robin Cozy · Sanford, MEPilot flew a practice approach in VMC to rwy 07 at which time he performed his "gumps" check to include lowering the nose gear. At the missed approach point the pilot performed the missed approach checklist, which included raising the gear. The pilot then…Accident 20200218002439ARobinson Helicopter R22 Beta · Cotulla, TXPilot was about to fly a ranch survey. Aircraft engine was started and pilot was lifting off trailer for the intended flight, when aircraft entered a dynamic right roll off the trailer destroying the aircraft upon contact with the ground. It was discovered…
See all 19 incident reportsQuery 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 ('42139')
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 ('42139')
ORDER BY event_date DESC, report_number DESCRun 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 · 171
SDR YV3R2022111700546Warning Unit · inoperativeCUSTOMER REPORTED WARNING UNIT ASSEMBLY P/N: A569-5 WAS INOPERATIVE OUT OF THE BOX.SDR YV3R2022050400527None · defectiveCUSTOMER REPORTED WARNING UNIT ASSEMBLY (RPM) P/N: A569-5 WAS INOPERATIVE.SDR YV3R2021062200465Sheave · corrodedCUSTOMER RETURNED LOWER SHEAVE P/N: A493-1. AFTER ENGINEERING EVALUATION, CORROSION WAS DISCOVERED UNDER PLATING.
See all 171 difficulty reportsQuery 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 = 'O320B2C' 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 = 'O320B2C' 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 · 47
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-22STC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.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.
See all 47 STCsQuery with SQL
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 ('42139')
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 ('42139')
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_numberRun 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.