- Manufacturer (registry)
- LYCOMING
- Model
- O-540-E4B5
- Registry code
- 42342
- Installed in
- 21 registered aircraft
- Type
- Reciprocating
- Power
- 260 hp
- Data sheet
- TCDSE-295
- Holder
- Lycoming Engines
Model codes come from the FAA registry’s reference file.
On this page
Airworthiness directives that may apply · 28
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1963 | 1 |
|---|---|
| 1964 | 1 |
| 1966 | 1 |
| 1969 | 2 |
| 1977 | 2 |
| 1982 | 1 |
| 1989 | 2 |
| 1992 | 1 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 1999 | 1 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 4 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 2 |
| 2012 | 2 |
| 2024 | 1 |
| 2026 | 2 |
Engine · Lycoming O-540-E4B5
AD 2026-17-10Reciprocating Engine Cylinder SectionAD 2026-04-11Engine (Reciprocating)AD 2012-19-01CrankshaftsQuery 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 ('42342'))
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 ('42342'))
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-540-E4B5
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 ('42342'))
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 ('42342'))
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 · 21
N134RTTaylor Robert E · Soldotna, AKN154RVLavalley Thomas L · Colorado Springs, CON220EXRodriguez Henry Solano · Charlotte, NC
See all 21 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 ('42342')
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 ('42342')
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 · 9
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 4 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 1 case with NTSB’s older coding, defined in its coding manual.
NTSB ERA26LA151Accident · Minor injuriesClass 4 · LimitedFinal reportPiper PA-32-260 · Block Island, RIMaintenance personnel’s failure to ensure that the throttle cable was properly secured to the carburetor, which resulted an inflight separation of the throttle cable and the pilots’ inability to control the engine.NTSB GAA17CA033Accident · Minor injuriesData collectionFinal reportStinson 108 3 · Boulder City, NVThe pilot’s failure to ensure that the aerial pickup towline was not entangled around the horizontal stabilizer after the banner pickup.NTSB ERA12LA315Accident · No injuriesLimited investigationFinal reportBerry Dean Glasair I · Columbus, GAThe pilot’s failure to maintain directional control during takeoff, which resulted in a runway excursion and collision with a runway sign. Contributing to the accident was the pilot’s lack of experience in the airplane make and model, resulting in and his…NTSB CEN09CA045Accident · No injuriesData collectionFinal reportHartter Lenny J Bearhawk · Mack, COThe collapse of the left main landing gear which resulted in the pilot's failure to maintain directional control.NTSB DEN88LA144Accident · No injuriesLimited investigationFinal reportPiper PA-32-260 · Colorado Spring, COThe plt and pax departed st. louis and stopped twice enroute due to wx. The plt was given landing clearance on rwy 17 at Colorado springs and the wind was reported to be from 190 degrees at 12 KTS. Witnesses at the arpt stated N4878S 'porpoised' several times…NTSB MKC79FCA10Accident · No injuriesClosedPiper PA-32 · Farmington, MONTSB NYC75FFJ08Accident · No injuriesClosedStinson 108-2 · Niagara Falls, NYNTSB CHI71FEI62Accident · No injuriesClosedPiper PA-32 · Bowlng Green, OHNTSB CHI69D0431Accident · No injuriesClosedPiper PA-32 · Boyne Falls, MI
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 ('42342')
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 ('42342')
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 · 13
Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.
Accident 20260325005629APiper PA-32-260 · Block Island, RIOn March 25, 2026, an aircraft accident involving a [privacy data omitted] with two pilots occurred. The aircraft departed from chatham municipal airport (cqx) for a post-maintenance test flight, following a recent engine overhaul, with the destination being…Incident 20230212004719IRobert Michael Kuklo Barracuda · Tracy, CAUpon return to ktcy a standard left 45 pattern to runway 30 was initiated. Upon turning downwind the gear was selected "down". Gear indicator lights and visual observation (aircraft has a hd tv belly camera) show negitive nose gear function. Standard…Incident 20210501007669IRyan R Bendure Harmon Rocket II · St. Joseph, MOPilot was performing as part of a formation flight team at an airshow. Team was performing a tail stand at show center. Wind was from behind 20-30 mph, gusts 40 mph, pilot was unable to keep tail from coming up higher than desired during a gust and had the…Accident 20161019020979AStinson 108-3 · Boulder City, NVOn 10/19/2016, at approximately 1145 hours, a single engine Stinson airplane impacted desert terrain during a forced landing near the Boulder City Airport in Boulder City, Nevada. The aircraft, which had been conducting banner towing operations, sustained…Accident 20120502010059ABerry Dean Glasair I · Columbus, GAOn may 02, 2012 at 11:00AM an accident occurred at Columbus Metropolitan Airport, Columbus ga. Aircraft involved a model glasair 1 td, N540GZ s/n 208 taking off on runway 24. The pilot Mr. Vasquez stated that power was applied for take off and at…Accident 20081101849749AHartte Bearhawk · Mack, CO(-23) During landing on r/w 25 at Mack Mesa Airport, the pilot loss directional control of the aircraft on touch down and departed the runway to the right side. Damage to the l/h wing, both main landing gear and propeller.Incident 20040529009919IUnivar 1082 · Santa Ana, CA(-23) On 5/29/2004, at approximately 1435 hours, a banner tower dropped its banner short of the airport this caused the banner to fall on a car on the 405 south freeway access road to the Santa Ana airport. The pilot had been flying for approximately two…Incident 20000724034799IUnivar 1082 · Los Angeles, CA(-23)While towing a banner over downtown Los Angeles, aircraft experienced loss of power. Pilot attempted to trouble shoot engine and restart, results negative. Pilot executed forced landing on freeway. Minor aircraft damage. No injuries to persons/property…Incident 19970927045809IUnivar 1083 · Fullerton, CAThis report was made with the help of signed statements and interviews with pilot Mr. Michael lamoureux cert #562069454 and the owner of skyads, Mr. Robert scott. On September 27, 1997, at about 1000 hours, pilot michael lamoureux flew aircraft N818C Stinson…Incident 19880812044189IPiper PA32260 · Topeka, KSPilot made a hard landing. Plane porpoised down runway. Damage to nose gear. Appears lack of competence was the causeAccident 19880702025029APiper PA32260 · Colorado Spring, COBounced and porpoised on landing. Impacts broke off the nose gear. Aircraft then skidded off the runway.Accident 19790227003789APiper PA32260 · Farmington, MOPilot hit a patch of snow on runway, lost directional control.Accident 19740713023569AUnivar 1082 · Niagara Falls, NYAcft veered off rwy plt apld r brake to return to rwy acft nosed ovr. Brakes ckd ok.
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 ('42342')
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 ('42342')
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 · 39
SDR 2025F00056Magneto · failedRUN UP ENGINE WENT DOWN WHEN TESTING.SDR 2020FA0000179Points · bentSLIGHTLY LESS THAN 500 HOURS AGO (AUGUST 2016), THE AIRPLANE WAS APPROPRIATELY MODIFIED WITH THE INSTALLATION OF A SLICK START SYSTEM WHICH INCLUDED THE INSTALLATION OF SLICK MAGNETO M/N 6393, S/N 07052122/E-08075 IN THE LEFT MAGNETO POSITION. UPON RECEIVING TSDR 2014FA0000096Valve · stickingELECTRIC FUEL PUMP WILL NOT PUMP FUEL. DISASSEMBLY OF PART INDICATES STUCK OR STICKING VALVE INTERNALLY WHICH WOULD NOT ALLOW FUEL FLOW THROUGH SYSTEM TO ENGINE RESULTING IN ENGINE SHUTDOWN IN FLIGHT. RECOMMEND REPLACE ELECTRIC FUEL PUMP.
See all 39 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 = 'O540E4B5' 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 = 'O540E4B5' 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 · 41
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 41 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 ('42342')
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 ('42342')
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.