- Manufacturer (registry)
- LYCOMING
- Model
- O-540-B4B5
- Registry code
- 42340
- Installed in
- 40 registered aircraft
- Type
- Reciprocating
- Power
- 235 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 · 26
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 | 1 |
| 1997 | 1 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 4 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2012 | 2 |
| 2017 | 1 |
| 2024 | 1 |
| 2026 | 2 |
See all 31 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 ('42340'))
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 ('42340'))
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-B4B5
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 ('42340'))
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 ('42340'))
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 · 40
N1058TRock Island Aviation Inc · Wilmington, DEN166AZJantzon Markus I F · Kingwood, TXN17PFlying M LLC · Reno, NV
See all 40 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 ('42340')
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 ('42340')
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 · 11
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 6 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 ERA25LA013Accident · No injuriesClass 4 · LimitedFinal reportMaule M8 · Rowlesburg, WVThe pilot’s failure to maintain directional control during the landing.NTSB ERA23LA160Accident · Serious injuriesClass 4 · LimitedFinal reportMaule M-7-235C · Abbeville, SCA loss of directional control during landing, which resulted in a ground loop and substantial damage to the airplane. The pilot flying could not be determined since both pilots claimed that the other was at the controls during the landing. The flight…NTSB WPR20CA043Accident · No injuriesData collectionFinal reportJohn Sample Bearhawk · Nampa, IDThe pilot's selection of unsuitable terrain for landing, which resulted in impact with a knoll and a subsequent ground-loop.NTSB CEN13WA123Accident · 2 fatalForeign investigationPiper PA-28-235 · Guatemala City, GuatemalaNTSB ERA12LA474Accident · Minor injuriesLimited investigationFinal reportPiper PA-25-235 · Westerly, RIA total loss of engine power for reasons that could not be determined due to the postaccident salt water-damaged state of the engine.NTSB ERA09CA416Accident · Minor injuriesData collectionFinal reportMaule M7 · Turner, METhe pilot's failure to maintain aircraft control during the landing rollout.NTSB LAX08CA081Accident · No injuriesData collectionFinal reportMaule M-8-235 · Grangeville, IDThe pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop/swerve. A contributing factor was the pilot's lack of recent experience.NTSB ATL04LA084Accident · No injuriesLimited investigationFinal reportMaule MX-7-180A · Plains, GAThe pilot's misjudgment of the speed/distance/altitude which resulted in a overrun of the runway.NTSB DEN86FA022Accident · 1 fatalField investigationFinal reportPiper PA-25-235B · Holly, COAccording to the plt's brother, he was on a flt to calibrate the acft's spraying equipment & to make a few practice crop spraying runs. While flying at aprx 30 ft AGL, the acft struck power lines, then crashed to the ground & burned. No preimpact part failure…NTSB MKC82DA144Accident · No injuriesFinal reportPiper PA-28-235 · Springfield, MOAfter passing over an imaginary obstacle during a short field landing, the student flared high without adding sufficientpower causing the acft to increase the descent rate. The CFI took control but was too late resulting in a hard landing.NTSB NYC70D0063Accident · No injuriesClosedPiper PA-28 · East Boston, MA
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 ('42340')
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 ('42340')
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 · 11
Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.
Accident 20241012015759AMaule M-8-235 · Rowlesburg, WVPilot reported loss of spatial awareness while landing on rwy 31. Aircraft nose high attitude required pilot to use side window view. Aircraft was left of center on a 5O foot wide grass turf runway. Aircraft collided with two parked aircraft adjacent to…Accident 20230320006779AMaule M-7-235C · Abbeville, SCThis was a training flight for familiarization with the Maule. Pilot stated that he and ip flew the left pattern for runway 08 and were too high. The aircraft was put into a slip to lose altitude. Upon touch down the aircraft entered a ground loop. There was…Accident 20191216022089ASample John W Bearhawk · Nampa, IDAirman was performing local area pattern work on 16 December, 2019 in N719JS, an experimental Bearhawk, s/n 2008 Sample John W, for his second flight of the day performing touch and go landings on both the paved runway and the grass section between the runway…Accident 20120723018699APiper PA-25-235 · Off Of Westerly, RIAircraft departed Westerly, RI (wst) for a banner towing operation along the shore of block island, RI. The pilot reports that while in cruise flight at 650 feet over block island sound, the engine shuddered violently and immediately began losing power.…Accident 20090723047739AMaule M-7-235B · Turner, ME7/23/09 About 0930LCL N595Z a Maule M-7-235-B tookoff from THE12/30 asphalt runway at twichell's airport inturner me (3B5). At about 0931 the aircraft landed on the 2000FT grass runway down the hill next to the Twitchell's airport seaplane base. Towards the…Accident 20080322012579AMaule M8235 · Grangeville, ID(-23) Pilot-in-command (PIC) made initial landing on runway 25 at S80, bounced on touchdown and executed a go-around. During the second attempt for landing and over the threshold, the pilot reported that the aircraft drifted to the left. Touchdown was…Incident 20061209027089IWallac STOLCH801 · Stoneham, CO(-23) During a cross country flight at low attitude aircraft struck a powerline and sustained minor damage. Aircraft made an emergency landing without further damage in a nearby field and was then dismantled and transported out of that area by ground vehicle.Accident 20040313003109AMaule MX7180A · Plains, GA(-23) Pilot was attempting to land on a Private airfield near Plains, Georgia. The grass airfield is not listed on the sectional for the area. The owner of the airfield, [privacy data omitted] stated that the length of the landing area was 2200 feet. The…Incident 19890919057789IPiper PA28235 · Manchester, NHHad difficulty on ILS approach. Radio problem. Engine quit due to fuel starvation. Switched tanks. Restarted engineAccident 19851113056879APiper PA25235 · Holly, COStruck powerlines, fell to ground and burned during simulated spraying run. No mechanical malfunction found.Accident 19820809038279APiper PA28235 · Springfield, MOStudent failed to use power for flaring a high sink rate approach to a practice short field landing.
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 ('42340')
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 ('42340')
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 · 17
SDR 9VNR20200929001Bolt · shearedOWNER REPORTED OIL LEAK IN FRONT END OF ENGINE. UPON INVESTIGATION IT APPEARED TO BE SHAFT SEAL LEAK. REMOVED PROPELLER SPINNER AND FOUND TWO (2) BOLTS SHEARED IN PROPELLER FLANGE. REMOVED PROPELLER AND DISCOVERED PROPELLER SEAL BETWEEN PROPELLER FLANGE ANDSDR 2020FA0000219Bolt · brokenAFTER LANDING, THE AIRCRAFT WAS ON ROLLOUT AND SLOWING WHEN THE AIRCRAFT LOST DIRECTIONAL CONTROL DUE TO THE RH MLG TURNING AFTER TORQUE LINK BOLT HAD BROKEN.SDR CA160118015Casting · broken(CAN) THE MAINTENANCE CREW FOUND THE LOWER1/2 OF THE 3200B SERIES TAIL WHEEL ON THE RUNWAY. IT HAD SEPARATED AT TAKE OFF. THE PILOT LANDED LATER AFTER BEING NOTIFIED BY THE CONTROL TOWER. THE PLANE WAS TAKEN TO MAINTENANCE WHERE IT WAS DISCOVERED THAT THE CENT
See all 17 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 = 'O540B4B5' 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 = 'O540B4B5' 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 · 44
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 44 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 ('42340')
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 ('42340')
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.