- Manufacturer (registry)
- LYCOMING
- Model
- O-540-G1A5
- Registry code
- 42344
- Installed in
- 6 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 · 24
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1963 | 1 |
|---|---|
| 1969 | 1 |
| 1977 | 2 |
| 1982 | 1 |
| 1989 | 2 |
| 1992 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1999 | 1 |
| 2004 | 2 |
| 2005 | 1 |
| 2006 | 4 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2012 | 2 |
| 2017 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2026 | 2 |
See all 29 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 ('42344'))
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 ('42344'))
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-G1A5
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 ('42344'))
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 ('42344'))
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 · 6
N454ABAerial Banners North Inc · Pembroke Pines, FLN46DJBullough William Ronald · Ocala, FLN4792YAerial Banners Inc · Pembroke Pines, FLN6793ZJnc Aviation LLC · Saint Louis, MON6906WStandard American Adjusters Inc · Alba, TXN732UASonoran Aero LLC · Phoenix, AZ
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 ('42344')
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 ('42344')
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 3 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 ERA23LA245Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-25-260 · Hollywood, FLThe pilot’s improper banner pickup approach, which resulted in the banner tow hook contacting the airplane, and the subsequent overload separation of the right rudder control horn, resulting in a loss of airplane control.NTSB GAA17CA331Accident · Minor injuriesData collectionFinal reportPiper PA25 · Hood River, ORThe pilot's failure to visually check the fuel level prior to takeoff and subsequent mismanagement of the available fuel supply during numerous glider tow flights.NTSB CEN15LA297Accident · Serious injuriesLimited investigationFinal reportPiper PA 25-235 · Galveston, TXThe loss of engine power due to a failure of a crankshaft idler gear shaft.NTSB SEA06LA163Accident · Minor injuriesLimited investigationFinal reportPiper PA-25-235 · North Plains, ORThe glider pilot's misjudgment of distance/speed during approach, which resulted in excessive speed at touchdown, and his failure to maintain directional control during the landing roll. A contributing factor was the glider pilot's lack of experience in the…NTSB LAX00LA233Accident · No injuriesLimited investigationFinal reportPiper PA-25-260 · Coleville, CAthe tow plane pilot's inadequate airplane performance calculations.NTSB CHI98LA310Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Leland, ILControl interference between the pilot-in-command and the student. An excessive descent rate and inadequate flare by the student during landing are contributing factors. The inadequate supervision by the pilot-in-command is an additional factor.NTSB MKC68F0529Accident · Minor injuriesClosedPiper PA-28 · Kearney, MONTSB MKC68F0380Accident · No injuriesClosedPiper PA-28 · Clinton, MONTSB MKC67F0259Accident · Minor injuriesClosedPiper PA-28 · Parkville, MO
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 ('42344')
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 ('42344')
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 · 14
Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.
Accident 20230525005769APiper PA-25-260 · Pembroke Pines, FLA part 91 commercial operation / banner tow accident occurred on airport after several missed attempts of banner pick ups. Aircraft destroyed and sustained major structural damage to the wings and fuselage from the impact. Pilot sustained serious injuries.Incident 20210528004169IPiper PA-25-260 · Palm Beach, FLOn may 28, 2021, at approximately 1530 eastern standard time, a Piper pawnee PA-25-260 (N454AB), registered to [privacy data omitted] out of pembroke pines, FL was on a 14 CFR part 91 flight performing a banner towing operation. At a mile offshore and an…Incident 20171222023429IPa-25-260 PA-25-260 · Hollywood, FLPilot was pulling his second banner for the day and while over the intercostal waterway he experienced loss of power. He declared mayday and landed in the water.Accident 20170611005339APiper PA-25-260 · Hood River, ORWhile returning to airport after releasing glider at 3000' PIC noted aircraft was at 2 hours of operaton on engine tach meter. At start or day PIC estimated he had roughly 2 hours of fuel onboard. When he checked the visual indicator it showed no fuel. He was…Incident 20150704012319IPiper PA-25-260 · Miami, FLPilot took off from hwo. During flight the engine quit running at approximately 1100 ft. enroute to Miami beach over star island. Pilot released banner radioed mayday and ditched aircraft into biscayne bay. During the investigation it was discovered that the…Accident 20150627009959APiper PA-25-235 · Galveston, TXOn 06/27/2015 at approximately 12:30 pm CDT an aircraft N94MC, model: PA-25-235 crashed into a field while making a forced landing. The aircraft had departed pearland regional, klvj, pearland, TX at approximately 10:30 that morning. The intended flight was to…Incident 20120505007799IPiper PA-25-235 · Houston, TXN94MC, a Piper PA-25-235 aircraft, while doing a banner tow operation in the vecinity of downtown Houston, TX, experienced a partial loss of power. The pilot stated while operating the throttle to maintain altitude the engine did not respond normally, the RPM…Accident 20060819015762APiper PA25235 · North Plains, OR(-23) Tow plane was struck by glider which lost control during landing roll. Pilot held position and shut down engine.Incident 20060714013739IPiper PA25260 · Minden, NV(-23) On July 14, 2006 at approximately 1630 PDT, the propeller departed the aircraft at approximately 1000 feet AGL after releasing a glider during a glider tow operation. A forced emergency landing was completed by the pilot in a field approximately 1/2…Incident 20040712012049IPiper PA25260 · Minden, NV(-23) Left main gear collapsed on landing.Accident 20000617008099APiper PA25260 · Coleville, CA(-23) On June 17, 2000 at 1500 hours PDT Piper N8578L collided with a fence on takeoff from a dirt field near Coleville, CA. The a/c being operated as a tow plane suffered substantial damage. The glider being recovered from the field was able to release and…Accident 19980717044959APiper PA25235 · Leland, ILOn July 17, 1998, a 0800 central daylight time, a Piper PA-25-235, N75HM, operated by a commercial pilot, received substantial damage on impact with terrain during landing on runway 25 (2500' x 100', turf) at Leland field near Leland, Illinois. The aircraft…Incident 19970614017449IPiper PA25235 · Fort Worth, TXNarrative: at 1400 hour (local) aircraft N94MC was towing a 20X40 billboard experienced a rope breakage that resulted in the billboard falling to the ground in a west parking lot at the Texas motor speedway. There were no injuries or damage to property as of…Incident 19960809028089IPiper PA25235 · Osceola, NENarrative: just as the pilot was pulling up out of a field, oil started hitting the windshield. In about 2 minutes oil pressure started dropping. The pilot shut off the engine and landed in a bean field with minor damage done to the aircraft. Investigation…
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 ('42344')
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 ('42344')
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 · 8
SDR 2019FA0000279Engine · power lossCYLINDER AND/OR SPARK PLUG FAILURE RESULTED IN A LOSS OF COMPRESSION IN ONE CYLINDER AND SUBSEQUENT POWER LOSS.SDR 2003FA0000799Axle · fatiguedAIRCRAFT LANDED ON SOFT FIELD WITH A LANDING WEIGHT OF 2850 LB. THE MAX. CERTIFIED GROSS WT 2900 LB. AFTER TOUCH DOWN, APPROX 200FT DOWN THE RUNWAY. THE RIGHT MAIN AXLE FAILED. THE AXLE WAS NOT ORIGINAL EQUIPMENT, LANDING GEAR UNDER STC SA441SW. THE AXLESDR 95ZZZX6182Contact Points · failedCONTACT POINTS' SOFT PLASTIC THAT RIDES THE CAM WORE DOWN UNTIL THERE WAS NO CONTACT POINT OPENING (MAG FAILURE). THE ROTATING MAGNET CONTINUED TO MAKE ELECTRIC ENERGY, SENDING IT TO THE CAPACITOR, OVERLOADING THE CAPACITOR, CAUSING IT TO BURN ITSELF OUT. THSDR 95ZZZX6183Contact Points · failedCONTACT POINTS' SOFT PLASTIC THAT RIDES THE CAM WORE DOWN UNTIL THERE WAS NO CONTACT POINT OPENING (MAG FAILURE). THE ROTATING MAGNET CONTINUED TO MAKE ELECTRIC ENERGY, SENDING IT TO THE CAPACITOR, OVERLOADING THE CAPACITOR, CAUSING IT TO BURN ITSELF OUT. THSDR 95ZZZX5117Capacitor · corrodedMAG REMOVED FOR OVERHAUL AND PACKING OF BEARINGS BECAUSE OF TIME AND ROUGHNESS. CAPACITOR WAS FOUND TO BE LEAKING OR BUILDING CORROSION SIMILAR TO BATTERY CORROSION WHERE THE WIRE EXITS THE CAPACITOR HOUSING. CAPACITOR HAD NOT FAILED, BUT FAILURE WAS IMMINENSDR 95ZZZX5116Bearing · failedMAG DROP 400 RPM, BUT SMOOTH. FOUND MAGNETO DRIVE BEARING FAILURE, RETARDING TIMING. BALLS OF BEARING COMING OUT OF BEARING CAGE AND EATING UP THE REAR OF CASE AND THEN AFTER MAKING SPACE AVAILABLE, FELL INTO THE ENGINE TIMING GEARS.SDR 95ZZZX3219Valve Key · brokenFOUND EXHAUST VALVE KEY HAD BROKEN AND WORN ABOUT ONE-THIRD OF THE DIAMETER OF THE VALVE STEM.SDR 95ZZZX1733Impulse Coupling · wornMAG INSPECTION FOUND FLYWEIGHT TO AXLE CLEARANCE BEYOND LIMITS.
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 = 'O540G1A5' 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 = 'O540G1A5' 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 · 39
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 39 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 ('42344')
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 ('42344')
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.
PMA parts · 1,000+
Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.
Query with SQL
duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
WHERE tcds_number IN ('E-295')
AND len(list_intersect(tcds_models, ['O-540-G1A5'])) > 0
ORDER BY supplement_date DESC, drs_guid 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 drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
WHERE tcds_number IN ('E-295')
AND len(list_intersect(tcds_models, ['O-540-G1A5'])) > 0
ORDER BY supplement_date DESC, drs_guid 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.